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Edit file: /usr/share/doc/collectd/ChangeLog
2020-09-03, Version 5.12.0 * varnish plugin: Added varnish 6 support. Thanks to Charly Koza, Ismael Puerto. #3445 * amqp1 plugin: New options to limit send queue length has been added. Thanks to Ryan McCabe. #3432 * mdevents plugin: New plugin to generate notifications about events in RAID arrays. Thanks to Krzysztof Kazimierczak, Maciej Fijałkowskii, Michał Kobyliński. #2841 * amqp plugin: Updated option to allow multiple hosts to support failover. Thanks to Märt Bakhoff. #3410 * mysql plugin: Reporting of the fields Slave_IO_Running and Slave_SQL_Running has been added. Thanks to Thomas Mieslinger. #3463 * write_http plugin: libcurl default HTTP response has been moved to a buffer instead of stdout. Thanks to Duane Waddle. #3263 * disk plugin: Provided an udev rule with ID_SERIAL based attribute so disk and partition data don't get mixed incorrectly in udev-based disk naming. Thanks to Maciej S. Szmigiero. #3441 * swap plugin: Implementation for NetBSD has been added. Thanks to Håvard Eidnes, Edgar Fuß. #3501 * netstat_udp plugin: New plugin ((currently NetBSD-only) to report UDP summary statistics has been aded. Thanks to Håvard Eidnes, Edgar Fuß. #3502 * smart plugin: SMART plugin has been extended with NVMe device functionality. Thanks to Bartłomiej Kotłowski, Paweł Żak, Sławomir Strehlau. #3510 * infiniband plugin: New plugin to collect metrics about IB ports has been added. Thanks to Luke Yeager. #3494 * snmp plugin: Count option was added allowing to gather the number of table entries (matching given criteria) rather than their values. Thanks to Edgar Fuß. #3504 * cpu plugin: Implementation for NetBSD has been added. Thanks to Håvard Eidnes, Edgar Fuß. #3496 * irq plugin: Implementation for NetBSD has been added. Thanks to Håvard Eidnes, Edgar Fuß. #3498 * processes plugin: Implementation for NetBSD has been added. Thanks to Håvard Eidnes, Edgar Fuß. #3500 * entropy plugin: Implementation for NetBSD has been added. Thanks to Håvard Eidnes, Edgar Fuß. #3497 * netlink plugin: VFs statistics and link info has been added. Thanks to Kamil Wiatrowski. #3487 * memory plugin: Implementation for NetBSD has been added. Thanks to Håvard Eidnes, Edgar Fuß. #3499 * curl_jolokia plugin: New plugin has been added to integrate jolokia to fetch jmx counters via HTTP/json. Thanks to Wilfried Goesgens. #2470 * write_sensu plugin: IncludeSource option has been added. Thanks to Märt Bakhoff. #3398 * intel_pmu plugin: Check for libjevents version has been improved. Thanks to Kamil Wiatrowski. #3407 * python plugin: Error-handling code of PyType_Ready has been added. Thanks to Jia Zhouyang. #3402 * collectd: Updated specfile for EL8. Thanks to Fabien Wernli. #3346 * openvpn plugin: Parsing of empty fields has been fixed. Thanks to Pavel Rochnyak. #3425 * dpdk_telemetry plugin: Build issues has been fixed. Thanks to Fabrice Fontaine. #3439 * mqtt plugin: A problem with stuck after 20 (qos=1) messages has been fixed. Thanks to Viulian. #2730 * varnish plugin: Target in category for varnish 6 has been added. Thanks to Charly Koza. #3446 * mqtt plugin: Resubscribe after a reconnect. Thanks to Maciej S. Szmigiero. #3452 * zookeeper plugin: Missing 3.5 mntr fields has been added. Thanks to Théophane Charbonnier. #3450 * sensors plugin: The documentation has been improved. Thanks to Florian Forster. #3443 * types.db(5): Documentation of metric definitions has been improved. Thanks to Florian Forster. #3458 * intel_pmu plugin: The possible crash on plugin init has been fixed. Thanks to Kamil Wiatrowski. #3480 * processes plugin: Size of reading buffer for /proc/stat has been increased. Thanks to Mhumpula. #3479 * ubi plugin: Data source type has been fixed from counter to gauge. Thanks to Florian Eckert. #3486 * intelrdt plugin: NaN values in csv output has been fixed. Thanks to Michał Aleksiński, Paweł Tomaszewski. #3503 * capabilities plugin: Conditionalized return type for microhttpd callback functions. Thanks to José M. Guisado. #3512 * write_prometheus plugin: fix for libmicrohttpd api change. Thanks to Bernd Zeimetz. #3514 * nfs plugin: NetBSD implementation has been fixed, undefined suppress_warning variable has been removed. Thanks to Edgar Fuß. #3495 * collection3: Some small titles has been improved from {type_instance} to {instance}. Thanks to Christian Tacke. #3476 * slurm plugin: Compatibility with Slurm versions >= 20.02 has been provided. Thanks to Pablo Llopis. #3518 * collectd: Build fix: duplicate switch case has been removed. Thanks to Sebastian Schmidt. #3536 * infiniband plugin: The build has been fixed by linking with libignorelist. Thanks to Luke Yeager. #3516 * curl plugin: Memory leak has been fixed. Thanks to Barbara Kaczorowska. #3547 * network plugin: Initialization of sockent_t has been simplified. Thanks to Florian Forster, Dagobert Michelsen. #3543 * mysql plugin: Compatibility with MariaDB >=10.5 has been fixed. Thanks to Alexander Meshcheryakov. #3548 * zookeeper plugin: Missing mntr fields has been fixed. Thanks to Théophane Charbonnier. #3449 * ceph plugin: An incorrect close on file descriptor 0 has been fixed. Thanks to Florian Forster. #3459 * snmp_agent plugin: A strncat() truncation warning has been fixed. Thanks to Florian Forster. #3564 2020-03-15, Version 5.11.0 * collectd: A Code of Conduct has been added. Thanks to Florian Forster. #3401 * text protocol: Support for meta_data in PUTVAL has been added. Thanks to Rafael Marinheiro, Dagobert Michelsen. #3381, #2726 * utils_cache: Internal API has changed - exposed meta_data_toc function. Thanks to Javier Kohen. #3339 * filter_chain: Auto load matches and targets if AutoLoadPlugin option is set. Thanks to Manuel Luis Sanmartín Rozada. #1034 * AMQP plugin: TLS support has been added. Thanks to Märt Bakhoff. #3391 * Battery plugin: Read from Linux sysfs charge files has been added. Thanks to Nimrod Maclomhair. #3190 * Buddyinfo plugin: New plugin for memory fragmentation info has been added. Thanks to Asaf Kahlon. #3303 * capabilities plugin: New plugin to read static platform data has been added. Thanks to Kamil Wiatrowski, Dagobert Michelsen. #3384, #3292 * DCPMM plugin: New plugin for Intel Optane DC Presistent Memory (DCPMM) has been added. Thanks to Hari TG. #3274 * DF plugin: LogOnce option has been added. Thanks to themylogin. #2910 * DPDK Telemetry plugin: New plugin to fetch DPDK metrics (with intent to replace dpdk_stat) has been added. Thanks to Reshma Pattan. #3273 * Disk plugin: A native (sysctl-based) implementation for NetBSD has been added. Thanks to Edgar Fuß, Dagobert Michelsen. #3379, #3334 * GPU_Nvidia plugin: Configurable plugin instance by GPU name and/or GPU index has been added. Thanks to Robert Dietrich. #3264 * Intel_PMU plugin: Support for uncore multi pmu has been added. Thanks to Kamil Wiatrowski. #3388 * Ipstats plugin: New plugin to count incoming, outgoing, forwarded packets on FreeBSD has been added. Thanks to Marco van Tol. #3187 * Java plugin: Support boolean input has been added. Thanks to Caden. #3044 * Logparser plugin: New plugin for filtering and parsing log messages has been added. Thanks to Kamil Wiatrowski, Krzysztof Matczak, Marcin Możejko, Adrian Boczkowski, Radosław Jabłonski. #3045 * Network plugin: New metadata "network:ip_address" has been added. Thanks to Takuro Ashie. #3191 * NFS plugin: An implementation for NetBSD (using sysctl) has been added. Thanks to Edgar Fuß, Dagobert Michelsen. #3377, #3333 * NUT plugin: Support for the "output.realpower" value from the ups code has been added. Thanks to Michael Poetters. #2528 * Redfish plugin: New read plugin to collect out-of-band sensor data from Redfish endpoints has been added. Thanks to Marcin Możejko, Adrian Boczkowski, Michal Kobyliński, Krzysztof Kepka, Man Singh, Zoltan Szabo. #2926 * Slurm plugin: The new SLURM plugin gathers metrics from the SLURM workload manager has been added. Thanks to Pablo Llopis. #3037 * Tail_CSV plugin: FieldSeparator option has been added. Thanks to Dheeraj Gupta. #3394 * UBI plugin: The new "ubifs" plugin reports block state for flash memory devices with UBIFS filesystem has been added. Thanks to Pierre Lebleu. #3204 * Write_HTTP plugin: Ability to configure cURL statistics has been added. Thanks to Nelson. #3265 * Write_Influxdb_UDP plugin: New plugin to send values to InfluxDB using line protocol via udp has been added. Thanks to Carlos Peón Costa. #3162 * Zookeeper plugin: 'quorum' stat has been added. Thanks to Chris Brown. #2991 * collectd: Missing package in specfile has been fixed. Thanks to Fabien Wernli. #3399 * collectd: Factored out read_text_file_contents for reading text files and used it to fix a potential unterminated string in the thermal plugin. Thanks to Igor Peshansky. #3359 * collectd: Error/warning messages has been extended with more information. Thanks to Dagobert Michelsen. #3386 * collectd: Regression caused by #3217 has been fixed. Thanks to Pavel Rochnyak. #3349 * build: version-gen.sh has been cleaned up. Thanks to William Pursell. #2635 * build: Linking with Python 3.8 has been fixed. Thanks to Alexander Meshcheryakov. #3344 * build: Avoid $< (implied source) in non-inference rules / Building grpc with non-GNU make has been fixed. Thanks to Edgar Fuß, Dagobert Michelsen. #3376, #3330 * filter_chain: Constant for max plugin name length introduced in #1034 has been fixed. Thanks to Dagobert Michelsen. #3385 * ignorelist: Coding style has been fixed. Thanks to Dagobert Michelsen. #3397 * match_regex: Accept all data types of meta data. Thanks to Takuro Ashie. #3231 * perl unixsock: Made the module robust against socket errors and disconnects. Thanks to Guillem Jover. #3083 * tree-wide: Race condition when setting thread names has been fixed. Thanks to Michael Kaufmann. #2762 * types.db: ping_droprate range spec has been fixed. Thanks to Yousong Zhou. #3244 * utils/format_graphite: Comma sign has been added to the list of prohibited characters. Thanks to Marat Salimzianov. #2998 * Aggregation plugin: Unreachable clause where both tmp_plugin and tmp_plugin_instance are non-empty has been fixed. Thanks to Ling Huang. #3350 * AMQP1 plugin: Leaks on error paths has been fixed. Thanks to Ryan McCabe. #3352 * Apache plugin: BusyWorkers/IdleWorkers update has been fixed. Thanks to Christian W. Zuckschwerdt. #3131 * CPU plugin, Memory plugin, Swap plugin, UUID plugin: Contain use of sysctl / sysctrlbyname to BSD variants, as deprecated on Linux. Thanks to Zebity Spring. #3342 * Exec plugin: Select has been replaced with poll to allow more then 1024 open file descriptors. Thanks to Kamil Wiatrowski. #3363 * GPU_Nvidia plugin: Build issues has been fixed. Thanks to Ruben Kerkhof. #3393 * Interface plugin: Reorder so that Linux-specific code is actually executed. Thanks to Dagobert Michelsen. #3378 * NFS plugin: Condition on existence of libkstat has been fixed. Thanks to Dagobert Michelsen. #3382 * Network plugin: Memory leak has been fixed. Thanks to Ryan McCabe. #3352 * Processes plugin: Number of running processes has been fixed. Thanks to Bart De Vos. #3243 * Write_Riemann plugin: Memory leak has been fixed. Thanks to Fabien Wernli. #3351 * Write_Stackdriver plugin: NaN value handing with gauge metrics has been fixed. Thanks to Jaroslaw Przybylowicz. #3226 2019-10-17, Version 5.10.0 * turbostat plugin: Power metrics update for recent server CPUs. Thanks to Chris MacNamara. #3276 * turbostat plugin: Fix warnings generated by the turbostat plugin. Thanks to Ryan Mccabe. #3340 * ZFS ARC plugin: New cache values are now read on Linux. Thanks to Jan-Philipp Litza. #3247, #2843 * connectivity plugin: monitor the network interface up/down status via the netlink library. Thanks to Andrew Bays. #2622 * sysevent plugin: A new plugin that monitors rsyslog for system events. Thanks to Andrew Bays. #2624 * procevent plugin: A new plugin that monitors process starts/stops via netlink library. Thanks to Andrew Bays. #2623 * daemon: Check if plugin actually loaded before reporting configuration issues. Thanks to Pavel Rochnyak. #3217 * daemon: Recover setlocale() call in src/daemon/collectd.c do_init(). Thanks to Pavel Rochnyak. #3181, #3214 * Build System: Only include <sys/sysctl.h> when needed. Thanks to Ruben Kerkhof. #3298 * Build System: Link to libnsl.so if needed for inet_ntop(). Thanks to Dagobert Michelsen. #3291 * Build System: Remove double "without" added by commit b781871. Thanks to Fabrice Fontaine. #3261 * Build System: fix compile time issues. Thanks to Matthias Runge. #3179, #3242, #3245 * Build System: Fix activation of snmp_agent. Thanks to Fabrice Fontaine. #3241 * Build System: Fix bug that leads to CPPFLAGS gets overridden with CFLAGS when libxmms is enabled. Thanks to Dagobert Michelsen. #3207 * perl module: Collectd::Plugins::Openvz: Fix indentation of some closing curlies. Thanks to Christian Bartolomäus. #3239 * tree-wide: Fix a few issues found with LGTM. Thanks to Ruben Kerkhof. #3252 * tree-wide: fix ssnprintf wrapper. Thanks to Fabien Wernli. #3237, #3232, #3235, #3236 * tree-wide: Fix make check. Thanks to Ruben Kerkhof. #3306 * CI System: Travis: switch to Bionic. Thanks to Ruben Kerkhof. #3307 * CI System: Travis improvements for MacOS. Thanks to Ruben Kerkhof. #3308 * MySQL plugin: Minor documentation improvements. Thanks to Christian Bartolomäus. #3288 * Java plugin: Fix typo in an error message. Thanks to Matthias Runge. #3285, #3286 * sysevent plugin: Add a few missing calloc result checks in the sysevent_init function. Thanks to Andrew Bays. #3282 * ZFS ARC plugin: A bug that caused the first to values to be skipped was fixed. Thanks to Jan-Philipp Litza. #3246 * SysLog plugin: restore previous behaviour: fallback to info for unsupported level. Thanks to Fabien Wernli. #3236, #3238 * virt plugin: Fix memory leak with libvirt MetadataXPath enabled. Thanks to Pavel Rochnyak. #3225, #3228 * GPU NVidia plugin: Fix build of the plugin. Thanks to Ruben Kerkhof. #3320 2019-10-01, Version 5.9.2 * syslog plugin: Don't fail if syslog loglevel doesn't match. Thanks to Fabien Wernli. #3236 #3238 * collectd: Fix ssnprintf wrapper. Thanks to Fabien Wernli. #3237 * rdt plugin: Fix compile time issues. Thanks to Matthias Runge. #3245 2019-07-24, Version 5.9.1 * collectd: redhat spec: fix build due to new upstream plugins. Thanks to Fabien Wernli. #3175 * collectd: regex match: Fix unexpected match with empty meta data . Thanks to Takuro Ashie. #3178 * collectd: Fix return value or loglevel for several plugins. Thanks to Fabien Wernli. #3182 * collectd: Add standard include early or _FILE_OFFSET_BITS will have definition … . Thanks to Dagobert Michelsen. #3193 * collectd: Use GCC-specific flags only when compiling with GCC. Thanks to Dagobert Michelsen. #3195 * Use test_utils_proc_pids only when compiling the plugin that uses it. Thanks to Dagobert Michelsen. #3197 * DNS plugin: Do not use headers from glibc. Thanks to Pavel Rochnyak. #3156, #3145 * collectd: Add missing definitions for libnetsnmpagent. Thanks to Dagobert Michelsen. #3203 * collectd: Move Makefile rules for pid_test inside conditional for code. Thanks to Dagobert Michelsen. #3206 * collectd: Recover setlocale() call in src/daemon/collectd.c do_init(). Thanks to Pavel Rochnyak. #3214, #3181 * collectd: Add snprintf wrapper for GCC 8.2/3. Thanks to zebity. #3153, #2895, #3038 * collectd: Fix bug that leads to CPPFLAGS gets overridden with CFLAGS when libxmms is enabled. Thanks to Dagobert Michelsen. #3207 * Write_Riemann plugin: Copy MetaData to Riemann events in write_riemann. Thanks to Romain Tartière. #3158 * virt plugin: Fix memory leak with libvirt MetadataXPath enabled. Thanks to Pavel Rochnyak. #3225, #3230 2019-06-13, Version 5.9.0 * Build System: configure.ac: option "--with-libxml2" has been added. Thanks to Dimitrios Apostolou, Pavel Rochnyak. #2864 * Build System: configure.ac: run dpdk build tests only if pkgconfig fails. Thanks to Luca Boccassi, Pavel Rochnyak. #3015 * Build System: The "df" plugin is now built when "getmntent_r()" is available. Thanks to Florian Forster. #3095 * Build System: The ability to turn on collectd "debug" feature in RPMs has been added. Thanks to dehotot. #2755 * collectd: A new "UNKNOWN" state as the initial state of metrics has been added. Thanks to Luis Fernández Álvarez, Florian Forster. #2976 * collectd: Base port to Windows. Thanks to Sean Campbell. #2810 * collectd: Code ownership of five plugins has been handed out to folks from Intel. Thanks to Florian Forster. #3053 * collectd: config parser: Improved error reporting on global options. Thanks to Pavel Rochnyak. #2813 * collectd: daemon: make plugin_dispatch_multivalue() obey write queue limits. Thanks to Adam Romanek. #2898 * collectd: Macros "STRERROR" and "STRERRNO" have been added. Thanks to Florian Forster. #2519 * collectd: Plugin name field has been added to plugin context to improve error reporting. Thanks to Pavel Rochnyak. #2821 * collectd-tg: Use "CLOCK_REALTIME" for collectd-tg times. Thanks to Andrew Bays. #2837 * tree-wide: Don't initialize static pointers to NULL, use "bool" from "stdbool.h" (instead of "_Bool"). Thanks to Ruben Kerkhof. #2771, #2772 * tree-wide: Replace zu with "PRIsz" and llu with "PRIu64". Thanks to Sean Campbell. #2512 * tree-wide: Use interval value from plugin context, do not set "vl->interval" in plugins more. Thanks to Pavel Rochnyak. #2847 * tree-wide: Utilities and libraries have been moved to "src/utils/". Thanks to Florian Forster. #2961 * AMPQ1 plugin: A new plugin to write to amqp1 protocol. Thanks to Andy Smith. #2618 * Chrony plugin: Ignoring late responses has been added. Thanks to Miroslav Lichvar, Pavel Rochnyak. #2896 * CPUFreq plugin: Read number of p-state transitions and time spent in each p-state. Thanks to Sexton Rory. #2803 * cURL, cURL-XML plugins: Option "Interval" has been added. Thanks to Pavel Rochnyak. #2847 * Disk plugin: Report number of in progress disk IO requests on FreeBSD. Thanks to Nathan Huff. #2878 * Exec plugin: Dynamic allocation of grname buffer has been added. Thanks to sreedi, Florian Forster. #2937 * GPU NVML plugin: New plugin to collect NVIDIA GPU stats. Thanks to Evgeny Naumov. #2923 * gRPC plugin: The "VerifyPeer" option for servers has been added. Thanks to Florian Forster. #2593 * Intel RDT plugin: Support for groups of PIDs has been added. Thanks to Wojciech Andralojc, Mateusz Starzyk, Michal Aleksinski. #2891 * IPMI plugin: Config options "SELSensor" and "SELIgnoreSelected" have been added. Thanks to Mariusz Szafranski. #2796 * Modbus plugin: Support for 64 bit vals has been added, support for CDAB endian 32-bit modbus polls has been added. Thanks to Anthony Vickers, PJ Bostley. #2670, #2660 * Modbus plugin: The "Scale" and "Shift" metrics have been added. Thanks to cekstam. #2729 * Netlink plugin: Handle new counter from Linux kernel version 4.6+. Thanks to Pavel Rochnyak. #2767 * Network plugin: Option "BindAddress" has been added. Thanks to Ofir Hermesh. #2831 * Ping plugin: An "AddressFamily" configuration option has been added. Thanks to 依云 lilydjwg. #2961 * OVS Stats plugin: Extended metrics "ovs-dpdk" have been added. Thanks to Matteo Croce, Ryan McCabe. #3000 * OVS Stats plugin: Support of bond interface and a "InterfaceStats" config option have been added. Thanks to Andrew Bays. #2880 * PCIe Errors plugin: New plugin to read "PCIe" errors. Thanks to Kamil Wiatrowski. #2733 * Processes plugin: Support for Linux Delay Accounting has been added. Thanks to Florian Forster. #2598 * Redis plugin: Keyspace "hitratio" metric has been added, metric "operations_per_second" has been removed, an option for connecting via UNIX socket has been added. Thanks to Pavel Rochnyak. #2838, #2845, #2904 * RouterOS plugin: Support for temperature and voltage data has been added, use MAC-address when Radio-name is missing. Thanks to Pavel Rochnyak. #2851, #2854 * RRDCacheD plugin: Time resolution has been improved to microseconds. Thanks to Brian T. O'Neill. #3065 * Sensors plugin: Checks for upper limit of "SENSORS_API_VERSION" have been removed, support for libsensors older than 3.0.0 has been dropped. Thanks to Pavel Rochnyak. #3013, #3014 * SNMP plugin: New options "PluginInstance", "TypeInstance", "TypeInstanceOID", "PluginInstanceOID", "FilterOID", "FilterValues" and "FilterIgnoreSelected" have been added. Thanks to Pavel Rochnyak. #2817, #2819 * SNMP Agent plugin: Multiple key indexes to snmp table and other new features have been added, refactoring, coverity scan issues have been fixed. Thanks to Marcin Mozejko. #2702, #2844 * Swap plugin: Support for Linux 2.4 has been dropped. Thanks to Pavel Rochnyak. #2979 * Turbostat plugin: Configuration option "RestoreAffinityPolicy" has been added. Thanks to Pablo Llopis. #2627 * Turbostat plugin: New metrics "P-states", "Turboboost", "Platform TDP", "Uncore bus ratio" have been added. Thanks to Sexton Rory. #2806 * Turbostat plugin: Support of reporting GPU power on SKL has been added. Thanks to Gordon Kelly. #2605 * virt plugin: Allow read "Hostname" from libvirt metadata. Thanks to Mehdi ABAAKOUK. #2807 * virt plugin: Block info statistics for disk devices have been added. Thanks to Radoslaw Jablonski. #2874 * Wireless plugin: A "bitrate" metric has been added. Thanks to Florian Forster. #2950 * Write Graphite, Write Kafka plugins: Support for Graphite 1.1+ tag has been added. Thanks to Dan Cech. #2631 * Write Prometheus plugin: Option "Host" has been added. Thanks to Pavel Rochnyak. #2969 * Write Stackdriver plugin: New plugin to write to Google Stackdriver Monitoring. Thanks to Florian Forster. #2472 * Write Syslog plugin: "write_syslog" plugin writes values lists as syslog messages. Thanks to Shirly Radco. #3019 * Build System: A warning that pkgdatadir and pkglibdir were previously defined has been fixed, additional plugins have been enabled, GNULIB_DIR has been added to LDFLAGS in configure.ac on Windows. Thanks to Sean Campbell. #2907, #2885, #2882 * Build System: Including "utils/mount/mount.h" has been fixed. Thanks to Florian Forster. #3097 * Build System: The amount of output from ./configure has been reduced, rendering of collectd-lua(5) manpage has been fixed, don't hide errors when creating manpage. Thanks to Ruben Kerkhof. #3086, #3088, #3092 * collectd: A bug in "c_avl_iterator_prev" has been fixed. Thanks to volth. #2917 * collectd: A stringop compiler warning has been fixed. Thanks to Ruben Kerkhof, Juan Osorio Robles. #3021 * collectd: An invalid memory access in the "strjoin()" function has been fixed. Thanks to Florian Forster. #3063 * collectd: collectd binary has been refactored. Thanks to Sean Campbell, Sebastian Harl. #2745 * collectd: collectdmon cannot exit command line options parse loop has been fixed. Thanks to takahashi-tsc. #2774 * collectd: Endianness checks for AIX have been added, gcc issue on Mac byteorder has been fixed, fallback for endianness conversion has been added. Thanks to Dagobert Michelsen. #2761, #2741, #2717 * collectd: Handle failure of simple config callbacks. Thanks to Ruben Kerkhof. #3085 * collectd: Include "kstat.h" if available to provide "kstat_ctl_t", include "kstat.h" when available. Thanks to Dagobert Michelsen. #2716, #2711 * collectd: Parsing option for avoiding making BaseDir has been fixed. Thanks to Mariusz Białończyk. #2856 * collectd: Remove empty "cmd_listval_t" data structure and related no-op code. Thanks to Pavel Rochnyak. #2779 * collectd: src/daemon/plugin.c: Refactor plugin_load_file(), src/utils_format_json.c: Remove chatty debug messages. Thanks to Florian Forster. #2558, #2938 * collectd: Stop poisoning function in debug mode. Thanks to Ruben Kerkhof. #2804 * collectd: The number of allocations when parsing types.db has been reduced. Thanks to Ruben Kerkhof. #3091 * collectd: The organization of the source repository has been improved. Thanks to Florian Forster. #2961 * collectd: Typos have been fixed. Thanks to Florian Forster, Jakub Jankowski, William Pursell. #2944, #2692, #2643 * tree-wide: cleanup: cf_util_get* instead of local copy in plugins, prefixed error reporting. Thanks to Pavel Rochnyak. #2833 * tree-wide: Some style issues have been fixed. Thanks to Ruben Kerkhof. #3022 * tree-wide: "sstrerror()" has been replaced with "STRERRNO". Thanks to Pavel Rochnyak. #2735 * AMQP1 plugin: Potential memory leaks found via scan-build have been fixed, a typo in error log message has been fixed, cleanups. Thanks to Andy Smith, Andrew Bays, Ruben Kerkhof. #2802, #2876, #2797 * Barometer plugin: Support to "libi2c-4.0" has been added. Thanks to Pavel Rochnyak. #2783 * DBI, Oracle, PostgreSQL plugins: Fixes and improvements. Thanks to Pavel Rochnyak. #1705 * Disk plugin: "HAVE_UDEV_H" has been changed to "HAVE_LIBUDEV_H". Thanks to Dylan Stephano-Shachter. #2668 * Disk plugin: In linux, reset the disk when it disappears from "/proc/diskstats". Thanks to Nikita Kozlov, Pavel Rochnyak. #2551 * DPDK Events, DPDK Stats plugins: Buffer size for parsing lcores has been increased, a deprecation warning has been fixed, runtime config file path has been fixed. Thanks to Kevin Laatz. #2722, #2840, #2924 * DPDK Stats plugin: A compilation issue has been fixed. Thanks to Volodymyr Mytnyk. #2524 * GPS plugin: Build with gpsd version 3.18 has been fixed. Thanks to Baruch Siach. #2947 * Intel RDT plugin: Compiler warnings have been fixed. Thanks to Ruben Kerkhof. #3104 * Log Logstash plugin: Non-portable struct initialization with "{}" has been fixed. Thanks to Florian Forster. #2988 * LUA plugin: A memory leak has been fixed. Thanks to Ruben Kerkhof. #3090 * MySQL plugin: Properly cleanup dropped MySQL connections. Thanks to Dhrupad Bhardwaj. #2704 * Netlink plugin: Truncation warnings have been fixed. Thanks to Ruben Kerkhof. #2777 * NFS plugin: Message "Unexpected number of fields for NFSv4 server statistics: 62" has been fixed. Thanks to Yedidyah Bar David. #2076 * NFS plugin: Number of fields for "NFSv4" has been fixed. Thanks to Jan-Philipp Litza. #2915 * Notify Email plugin: All notification parameters have been included into email. Thanks to Pavel Rochnyak. #2834 * NTPd plugin: Don't treat normal peers as refclocks, skip "0.0.0.0" hosts in ntpd plugin. Thanks to Pavel Rochnyak, Ivan Kurnosov. #2822, #2376 * OAuth plugin: src/utils_oauth.c: Renew OAuth tokens 30 seconds before they expire. Thanks to Florian Forster. #2970 * OVS Stats plugin: A macro to populate counters list has been added, value of "OpenFlow" has been corrected. Thanks to Matteo Croce. #2966, #2963 * OVS Stats plugin: Code style, cleanup and improvements. Thanks to Pavel Rochnyak. #3011, #3012 * OVS Stats, OVS Events plugins: utils_ovs: Avoid potential access of freed memory, fixes. Thanks to Ciara Loftus, Mark Kavanagh. #2801, #2731 * Processes plugin: Compilation has been fixed when ps_delay() is not used. Thanks to Pavel Rochnyak. #2610 * Python plugin: A compilation warning with Python 3.7 has been fixed. Thanks to Manoj Srivastava. #3042 * Redis plugin: Bugfixes, extended error reporting, persistent connections and parallel polling, ability to select db for queries has been fixed. Thanks to Pavel Rochnyak, skob. #2826, #2789 * Router OS plugin: Unset radio-name showing up as "(null)" has been fixed. Thanks to melak. #2740 * RRDCacheD plugin: Cleanup rrdcached plugin a bit. Thanks to Pavel Rochnyak. #3080 * RRDTool plugin: Error reporting has been extended. Thanks to Pavel Rochnyak. #2825 * Sensors plugin: Support for humidity sensors has been added. Thanks to Sarah Fischmann. #2913 * Sensu, OVS Stat, Turbostat, virt, OAuth, Write Prometheus, Intel RDT plugins: Compiler warnings have been fixed. Thanks to Ruben Kerkhof. #3093, #3098, #3099, #3100, #3102, #3103, #3104 * virt plugin: Code "do {} while(0)" around macro has been removed. Thanks to Florian Forster. #2579 * virt plugin: Compiler warnings, a segfault in libvirt, typo in error messages have been fixed. Thanks to Antoine Naud, Ruben Kerkhof, sarah niuxu18. #2808, #2919, #2957 * virt plugin: Optional "virDomainGetCPUStats()" has been removed from main flow, cleanup. Thanks to Pavel Rochnyak. #2972, #2978 * virt plugin: Tracking of VM state changes has been fixed. Thanks to Radoslaw Jablonski. #2701 * Write MongoDB plugin: Plugin dependencies have been fixed. Thanks to Pavel Rochnyak. #3010 * Write Prometheus plugin: A compilation issue on Mac OS X has been fixed. Thanks to Florian Forster. #3059 * Write Redis plugin: Bug ""max_set_duration" deletes unexpected data" has been fixed. Thanks to takahashi-tsc. #2773 * Write Stackdriver plugin: Potential NULL dereference and error reporting have been fixed. Thanks to Florian Forster. #2960 * collectd.conf(5): a typo has been fixed, the tail plugin's documentation has been improved. Thanks to Ruben Kerkhof, Florian Forster. #3087, #2994 * collectd.conf.pod: virt: "Instances" option has been documented, a clarifying example has been added. Thanks to Pavel Rochnyak, Fabien Wernli. #2990, #2903 * collectd-python: "Import" configuration option has been documented. Thanks to Tyler Harper. #2985 * collectd-snmp.pod: Document thread usage correctly. Thanks to Nathan Ward. #3078 * CONTRIBUTING.md: Improve wording around ChangeLog; fix example, document the new change log requirement / behavior. Thanks to Florian Forster. #3061, #3054 * docs/review_comments.md: document with frequent review comments has been started. Thanks to Florian Forster. #2964 * README: Include compiler defenses suggestion, do not point users to non-existing file. Thanks to Kevin Laatz, Ruben Kerkhof. #2721, #2045 2018-10-23, Version 5.8.1 * collectd: Fix "BaseDir" option. Thanks to Mariusz Białończyk and Pavel Rochnyak. #2857 * collectd: improve error handling, check return values. Thanks to Florian Forster. * Build System: use "kstat.h", when available. Thanks to Dagobert Michelsen and Pavel Rochnyak. #2784 * Build System: Fix distcheck on MacOS. Thanks to Ruben Kerkhof. * Build System: add missing include of ""collectd.h"" to fix builds on Solaris. Thanks to Pavel Rochnyak. * Build System: add endianess checks for AIX, fix GCC issue on Mac byteorder, fix byteorder on Solaris, add fallback for endianess conversion. Thanks to Dagobert Michelsen (multiple cherry picks from master). * Build System: Out-of-tree builds have been fixed. Thanks to Florian Forster. #2602 * Configuration: Error handling in the config parsing code has been improved. Thanks to Florian Forster. * Documentation: Fix typo in collectd.conf(5). Thanks to Pavel Rochnyak. #2760 * Documentation: update note on dpdkstat. Thanks to Maryam Tahhan. #2613 * Various plugins: Errors found by the static code analysis tool Coverity were fixed. Thanks to Florian Forster. #2559, #2560, #2561, #2562, #2563, #2565, #2568, #2575, #2579, #2580, #2588, #2589 * Ceph plugin: A segfault has been fixed. Thanks to Aleksei Zakharov and Matthias Runge. #2572 * DF plugin: fix memory leak in error case. Thanks to Takahashi tsc. * Exec plugin: check return value of "plugin_thread_create()". Thanks to Florian Forster. * Exec plugin: Handling of large groups has been fixed. Thanks to Sridhar Mallem. #2696 * Exec plugin: Incorrect use of *putenv(3)* has been fixed. Thanks to Daniel Vrátil. * Exec plugin: A deadlock related to setting environment variables after *fork()* has been fixed. Thanks to Daniel Vrátil. * Intel PMU plugin: add core groups feature. Thanks to Kamil Wiatrowski. #2681 * Intel PMU plugin: fix compatibility issue with collectd 5.8. Thanks to Kamil Wiatrowski. * Intel PMU plugin: fix possible "NULL" pointer dereference. Thanks to Kamil Wiatrowski. #2676 * IPMI plugin: A segfault caused by a wrong data type has been fixed. Thanks to Mariusz Szafrański. #2742 * IPMI plugin: The sensor configuration option has been fixed. Thanks to Pavel Rochnyak. #2629 * memcached plugin: A deadlock situation has been fixed. Thanks to Pavel Rochnyak. #2612 * NFS plugin: Support for NFSv4 has been fixed. Thanks to Jan-Philipp Litza. #2076 * NTPd plugin: A memory leak in the error handling path has been fixed. Thanks to Ruben Kerkhof. #2942 * OVS Stats plugin: A deadlock situation has been fixed. Thanks to Volodymyr Mytnyk. #2590 * OVS Stats plugin: Fix reconnect after thread terminated. Thanks to Volodymyr Mytnyk and Maram Tahhan. #2574 * Perl plugin: A compilation failure has been fixed. Thanks to Pavel Rochnyak. #2732 * Perl plugin: Fix exporting notification meta data. Thanks to Florian Forster. * RRDtool plugin: Handling of very large "GAUGE" metrics has been fixed. Thanks to Miroslav Lichvar. #2566 * Tail plugin: Several regressions have been fixed. Thanks to Pavel Rochnyak. #2535, #2587, #2611 * turbostat plugin: A potential segfault due to an incorrect *free()* has been fixed. Thanks to Ruben Kerkhof. #2948 * UUID plugin: Fix hostname setting. Thanks to Pavel Rochnyak. #2723 * virt plugin: A segfault during error handling has been fixed. Thanks to Ruben Kerkhof. {{Issue|2919]} * Write Kafka plugin: A build failure due to a deprecated API call has been fixed. Thanks to Pavel Rochnyak. #2607, #2628, #2640 * Write Prometheus plugin: Fix "MHD_USE_INTERNAL_POLLING_THREAD" flag in newer libmicrohttpd. Thanks to Pavel Rochnyak. #2849 * Write Prometheus plugin: set "SO_REUSEADDRESS" on listening socket. Thanks to Pavel Rochnyak. #2570, #2673 * Write Syslog plugin: The new "write_syslog" plugin writes value lists as syslog messages. Thanks to Shirly Radco. #3019 2017-11-17, Version 5.8.0 * collectd: The core daemon is now completely licensed under the MIT license. * collectd: Added daemon option to avoid making BaseDir. Thanks to Nathaniel Wesley Filardo and Florian Forster. #2422 * collectd: Global variables have been moved to their own module to make porting collectd easier. Thanks to Sean Campbell. #2467 * collectd as well as Apache, memcached, OpenLDAP, Perl, RouterOS, SNMP, Tail-CSV plugins: Free userdata for "plugin_register_complex_read()". Thanks to Pavel Rochnyack. #2349 * Collectd client library: Added parsing and server code. Thanks to Florian Forster. #2258 * Build system: Dependency on libltdl has been removed, support for libtool 1 has been dropped. Thanks to Ruben Kerkhof. #1898 * Build system: The build system has been switched to non-recursive make. Thanks to Ruben Kerkhof. #2085 * APC UPS plugin: The plugin's configuration is now optional. Without a "<Plugin />" block reasonable defaults will be used. Thanks to Pavel Rochnyack. #2351 * Chrony plugin: Several issues found when working with a stratum-1 server have been fixed. Thanks to Miroslav Lichvar. #2190 * Ceph plugin: Support for the Ceph version "Luminous" has been added. Thanks to Aleksei Zakharov. #2464 * CPU plugin : Linux-specific "guest" states have been added. Thanks to Xavier G. #2439 * cURL plugin, cURL-JSON, cURL-XML, DBI, FileCount, memcachec, Oracle, PostgreSQL, Table, Tail, Tail CSV plugins: The ability to configure the "plugin" field of generated metrics has been added. Thanks to Pavel Rochnyack. #1944, #1681, #1558 * cURL-JSON plugin: Parsing of arrays has been fixed. Thanks to Florian Forster. #2281 * DPDKEvents plugin: This new plugin reports link status and keep alive events. Thanks to Maryam Tahhan, Harry van Haaren, Serhiy Pshyk, Kim-Marie Jones, Krzysztof Matczak, Przemyslaw Szczerbik, Christian Ehrhardt and Luca Boccassi. #2157, #2348, #2400, #2405, #2417 * DPDKStat plugin: The plugin has been refactored to make DPDK related utility functions reusable. Thanks to Krzysztof Matczak, Przemyslaw Szczerbik, Christian Ehrhardt and Luca Boccassi. #2130, #2348, #2400, #2405, #2417 * DPDKStat plugin: The "LogLevel" and "RteDriverLibPath" config options have been added. Thanks to Jiri Prokes. #2505 * Email plugin as well as Exec and Unixsock plugins: Use "_SC_GETPW_R_SIZE_MAX". Thanks to Florian Forster. #2451 * FileCount plugin: Custom values for reported plugin, type and type instance. Thanks to Pavel Rochnyack. #1979 * GenericJMX plugin: Support for "AtomicInteger" and "AtomicLong" has been added. Thanks to Pierre Mauduit. #2158 * gRPC plugin: Support for meta data has been added. Thanks to Taylor Cramer. #2378 * IPC plugin: Fixed failed compilation on AIX. Thanks to Pavel Rochnyack. #2357 * Intel PMU plugin: This new plugin collects CPU performance metrics using Intel's Performance Monitoring Unit (PMU). Scaling information added to metadata. Thanks to Serhiy Pshyk and Roman Korynkevych. #2276, #2398, #2374 * Intel RDT plugin: Support for collectd's logging infrastructure has been added. PQoS monitoring groups are being reset on start-up to fix potential previous unclean shutdowns. Thanks to Roman Korynkevych. #2089. * IPMI plugin: Support for System Event Log (SEL) has been added. Thanks to Roman Korynkevych. #2091 * IPMI plugin: Support for remote IPMI controllers has been added. Thanks to Pavel Rochnyack. #2024 * LVM plugin: A check for the "CAP_SYS_ADMIN" capability has been added. This will give users an informative warning when the process is not running with the required privileges for this plugin. Thanks to Florian Forster. #2426, #2499 * mcelog plugin: This new plugin subscribes to Machine Check Exceptions (MCE) and dispatches notifications. Metadata reset. Thanks to Maryam Tahhan, Volodymyr Mytnyk, Taras Chornyi, Krzysztof Matczak and Roman Korynkevych. #2003, #2246, #2380 * MQTT plugin: Add support for TLS in "Subscriber" blocks. Thanks to Florian Forster. #2434 * memcached plugin: Persistent connections have been implemented. Fix hit ratio reporting, add connections rate report. Thanks to Pavel Rochnyack. #2388, #2385 * memcached plugin: The type of the "listen_disabled" metric has been changed to "total_events". Thanks to Florian Forster. #2386, #2468 * Netlink plugin: The dropped packets metric has been added. Thanks to Denys Fedoryshchenko. #2053 * NFS plugin: Support for NFS 4.2 metrics has been added. Thanks to Marek Becka. #2369 * NFS plugin: Config options to ignore specified NFS versions have been added. Thanks to Christian Bartolomäus. #2430 * NUT plugin: The "ConnectTimeout", "ForceSSL", "VerifyPeer" and "CAPath" options have been added. Thanks to Pavel Rochnyack and Steven Bell. #2145, #2354 * OpenLDAP plugin: A segfault after a connection failure has been fixed. Thanks to Pavel Rochnyack. #2377 * Openvpn plugin: Added support for status files from latest OpenVPN-2.4 and possible from future versions. Thanks to Pavel Rochnyack. #2352 * OVS Events plugin: This new plugin reports link state changes from Open vSwitch (OVS). Thanks to Volodymyr Mytnyk. #1971 * OVS Stats plugin: This new plugin reports bridge / interface statistics from Open vSwitch (OVS). Thanks to Volodymyr Mytnyk and Taras Chornyi. #2137 * Perl plugin: Bugfix, added check of proper interpreter initialization. Thanks to Pavel Rochnyack. #2391 * PostgreSQL plugin: The plugin now sets the "application_name" parameter when connecting to the database. Thanks to daniacs. #2497 * Processes plugin: The I/O operations reported for selected processes has been fixed. The metric "ps_disk_octets" has been renamed to "io_octets" because it actually contains the number of I/O operation by the process, not just disk related I/O. Same for "io_ops" (previously "ps_disk_ops"). The new metric "disk_octets" has been added and is reporting disk I/O only. Add option to collect the count of active memory maps for Linux processes. The "CollectFileDescriptor" and "CollectContextSwitch" options have been added. Thanks to Pavel Rochnyack and to Wilfried Goesgens. #2232, #2454, #1989 * Processes and TCPConns plugins: The OpenBSD implementation has been changed to use "kvm_openfiles" with "KVM_NO_FILES". Thanks to Jeremie Courreges-Anglas. #2061 * Python plugin: Extend Notification class to include metadata. Thanks to Volodymyr Mytnyk. #2135 * Python plugin: The "CollectdException" class has been added. This allows to throw an exception without a stack trace being logged. Thanks to Sven Trenkel. #2330, #2346 * Sensors plugin: Support for (electrical) current has been added. Thanks to Clemens Gruber. #2255 * SNMP plugin: Error handling has been improved: a potential double-free is now avoided (potentially leaking memory) and handling of non-failing subtrees has been fixed. Thanks to Pavel Rochnyack. #2449 * SNMP plugin: The "Timeout" and "Retries" config options have been added. Thanks to Carlos Vicente. #1472, #2488 * SNMP Agent plugin: This new plugin implements an SNMP AgentX subagent that receives and handles queries from SNMP master agent and returns configured metrics. Thanks to Roman Korynkevych, Serhiy Pshyk and Pavel Rochnyack. #2105, #2362 * Synproxy plugin: This new plugin provides statistics for Linux SYNPROXY. Thanks to Marek Bečka. #2381 * Tail plugin: Allow the calculation of several distributions in one "tail" instance through a "bucket" type. Thanks to Pavel Rochnyack. #2442 * Turbostat plugin: Import "msr-index.h" header from Linux and better support for mutliple packages. Thanks to Vincent Brillault. #2445, #2446 * Uptime plugin: Changed implementation to read from "/proc/uptime" instead of "/proc/stat". Update for Linux and AIX, uptime is read directly using a system call. Update for BSD and Solaris, uptime is calculated by subtracting boot time from current time. Thanks to Ivan Kurnosov and Marcin Jurkowski. #2431, #2034 * UUID plugin: Support for libhal has been removed. Thanks to Ruben Kerkhof. #2080 * Varnish plugin: Extended the varnish plugin with varnish-plus counters. Fixed invalid data source type. Thanks to Denes Matetelki. #2453, #2463 * virt plugin: The plugin has been updated to use "virConnectListAllDomains()". Thanks to Denis Silakov. #2051 * virt plugin: Support for domain tags has been added. Thanks to Francesco Romani. #2048 * virt plugin: Connection handling has been improved. Thanks to Francesco Romani. #2100, #2101 * virt plugin: Many metrics have been added, including disk, hypervisor CPU usage, performance monitoring events, domain state, CPU pinning (affinity), file system, and job statistics. Thanks to Francesco Romani and Przemyslaw Szczerbik. #2103, #2175, #2168 * Write Graphite plugin: Additional tests have been added. Thanks to Florian Forster. * Write HTTP plugin: The "Attribute" and "TTL" options for the KairosDB format have been added. Implementation of "Prefix" option. Thanks to jaroug, Denis Pompilio and Pavel Rochnyack. #2199, #2252, #2482 * Write MongoDB plugin: Memory leaks have been fixed. Thanks to Saikrishna Arcot. #2307 * Write Prometheus plugin: Label values are now properly escaped. Thanks to Florian Forster. #2035 * Write Redis plugin: Add "max_set_duration" to set duration for value. Thanks to Tomofumi Hayashi. #2440 * Write Riemann plugin: Export times with microsecond resolution. Thanks to mcorbin. #2315 * Write TSDB plugin: The options "ResolveInterval" and "ResolveJitter" have been added to control DNS lookup behavior. This prevents DNS flooding in case TSDB is not available. Thanks to Yves Mettier and Florian Forster. #2059 * ZFS ARC plugin: Header lines are now ignored in the Linux implementation. Thanks to YmrDtnJu. #2097 2017-06-06, Version 5.7.2 * Build system: The Notify Email plugin is no longer linked with indirect dependencies. Thanks to Marc Fournier. * collectd: A race condition when calculating a metric's rate has been fixed. Thanks to Florian Forster. #1193 * AMQP, Exec, UnixSock, Write Kafka plugins: Parsing of the PUTVAL command with multiple values has been fixed. Thanks to Florian Forster. #2274 * AMQP plugin: The "ExchangeType" option is now also valid for publishers. Thanks to Florian Forster. #2286 * BIND plugin: Fix parsing of the sample time provided by BIND. Previously, the time was assumed to be in the local timezone when in fact it was in UTC. Thanks to Ed Ravin. #1268 * BIND plugin: Memory leaks have been fixed. Thanks to Ruben Kerkhof. #2303 * cURL-JSON plugin: Handling of arrays has been fixed. Thanks to Florian Forster. #2266 * DPDKStat plugin: Error handling during initialization has been improved. Thanks to Ruben Kerkhof. * DPDKStat plugin: Handling of a number of metrics has been improved, for example "rx_q0bytes". Thanks to Przemyslaw Szczerbik. #2167 * Intel RDT plugin: Configuration handling has been changed to be more graceful. Thanks to Maryam Tahhan. #2165 * Log Logstash plugin: If writing the log entry fails, print it to "STDERR" instead. Thanks to Marc Fournier. * LogFile plugin: If writing to the file fails, print log messages on "STDERR" instead. Thanks to Marc Fournier. * memcachec, Tail plugins: A resource leak in the matching infrastructure has been fixed. Thanks to Krzysztof Matczak. #2192 * MQTT plugin: Invalid symbols in topic names are now replaced and a resource leak has been fixed. Thanks to Denys Fedoryshchenko. #2123 * Network plugin: A potential endless-loop has been fixed. This can be triggered remotely by sending a signed network packet to a server which is not set up to check signatures. Thanks to Marcin Kozlowski and Pavel Rochnyack. #2174, #2233, CVE-2017-7401 * Perl plugin: A potential double-free has been fixed. Thanks to Florian Forster. #2278 * Processes plugin: A compilation error on AIX has been fixed. Thanks to Pavel Rochnyack. #2210 * SMART plugin: A check for the "CAP_SYS_RAWIO" capability has been added. Thanks to Marc Fournier. * Write Graphite plugin: Error handling in the case that calculating a metric's rate fails has been improved. Previously, the raw counter values were sent to Graphite. Thanks to Iain Buclaw. #2209 * Write Prometheus plugin: An incorrect use of "realloc(3)" has been fixed. Thanks to Florian Forster. #2275 2017-01-23, Version 5.7.1 * collectd: Handling of boolean configuration options has been unified. Thanks to Sebastian Harl. #2083, #2098 * collectd: Reporting of internal statistics has been fixed. Thanks to Florian Forster. #2108 * collectd, various plugins: Bugs and issues reported by scan-build and coverity-scan have been fixed. Thanks to Ruben Kerkhof and Florian Forster. * Build system: Parallel build have been fixed. Thanks to Ruben Kerkhof. #2110 * DPDKStat plugin: Portability issues and a double-close bug have been fixed. Thanks to Ruben Kerkhof and Marc Fournier. * Intel RDT plugin: A check for the libpqos library version has been added. Thanks to Serhiy Pshyk. * NetApp plugin: Compilation problems have been corrected. Thanks to Florian Forster. #2120 * Write Prometheus plugin: A memory leak has been fixed. Thanks to Ruben Kerkhof. 2016-12-12, Version 5.7.0 * Documentation: The Turbostat plugin section has been improved. Thanks to Florian Forster * Documentation: The semantics of the "TypesDB" option have been improved. Thanks to Florian Forster. * collectd: A generic interface for parsing the text protocol has been added. Thanks to Sebastian Harl. #1749 * collectd: Threads now get named, making them easier to track using tools such as top, ps, etc. Thanks to Manuel Luis Sanmartín Rozada and Marc Fournier. #547 * AMQP plugin, Write Graphite plugin, Write Kafka plugin: The new "[Graphite]PreserveSeparator" option allows retaining the default dot separator rather than escaping it. Thanks to Florian Forster. #419 * Battery plugin: A StateFS backend for gathering statistics has been added. Thanks to Rinigus. #1795 * CPU plugin: CPU aggregation on AIX was fixed. Thanks to Chao Yang. #1957 * Collectd::Unixsock: Fractional seconds support has been made more robust. Thanks to Matthias Bethke. #2052 * DPDKStat plugin: This new plugin collects DPDK interface statistics. Thanks to Maryam Tahhan, Harry van Haaren, Taras Chornyi and Kim Jones. #1649 * gRPC plugin: The "DispatchValues" option has been renamed to "PutValues". Thanks to Florian Forster. * HDDTemp plugin: The 32 devices limit has been removed. Thanks to Benjamin Gilbert. #631 * Hugepages plugin: This new plugin reports the number of used and free hugepages on Linux. Thanks to Jaroslav Safka, Maryam Tahhan, Kim Jones and Florian Forster. #1799 * Intel RDT plugin: This new plugin collects statistics exposed by Intel's Resource Director Technology . Thanks to SerhiyX. #1970 * memcached plugin: The new "Address" option allows connecting to a different server than specified by the "Host" option. Thanks to Pavel Rochnyack. #1975 * nginx plugin: Support for reporting failed connections has been added. Thanks to Pavel Rochnyack. #1609 * Perl plugin: Significant internal reworking has been made. The new "RegisterLegacyFlush" option has been added. Thanks to Pavel Rochnyack. #1731 * PostgreSQL plugin: Timestamps are now RFC 3339-formatted local time. Thanks to Igor Peshansky and Dave Cunningham. #1918 * Processes plugin: Internal performance improvements have been made. Thanks to Pavel Rochnyack. #1980, #1981 * RRDCacheD plugin: The plugin now tries to reconnect upon failed operations. Thanks to Sebastian Harl. #1959 * SpamAssassin: The plugin can now run in Perl's "tainted mode" ("-T"). Thanks to Akos Vandra. #1962 * Tail plugin: Support for calculating latency distribution of matching values has been added. Thanks to Pavel Rochnyack and Florian Forster. #1700 * Tail plugin: The new "GaugePersist" option has been added. Thanks to Florian Forster. #2015 * Target:Set, Target:Replace, Match:RegEx: MetaData support has been added . Thanks to Igor Peshansky. #1922, #1923, #1930 * turbostat plugin: The new "LogicalCoreNames" option allows switching to per-core naming rather than per-CPU. Thanks to Brock Johnson. #2056 * virt plugin: The new "BlockDeviceFormat" and "BlockDeviceFormatBasename" options help controlling the names reported for block-device metrics. Thanks to Deyan Chepishev. #2004 * Write Graphite plugin: A new "DropDuplicateFields" option has been added. Thanks to Michael Leinartas. #1915 * Write Kafka plugin: The "Key Random" setting has been reintroduced. Thanks to Florian Forster. #1977 * Write Log plugin: Support for formatting output in JSON has been added, using the new "Format" configuration option. Thanks to Igor Peshansky. #1924 * Write Prometheus plugin: This new plugin publishes values using an embedded HTTP server, in a format compatible with Prometheus' collectd_exporter. Thanks to Florian Forster. #1967 2017-10-06, Version 5.6.3 * collectd: support for boolean string config values has been reintroduced. Thanks to Sebastian Harl. #2083, #2098 * collectd: The capability checking has been changed to use "cap_get_proc()". Thanks to Marc Fournier. #2151 * Documentation: A section documenting ignore lists has been added to collectd.conf(5). Thanks to Florian Forster. * AMQP plugin: The "ExchangeType" option is now also valid for publishers. Thanks to Florian Forster. #2286 * Apache, Ascent, BIND, cURL, cURL-JSON, cURL-XML, nginx, Write HTTP plugins: Handling of URLs that redirect elsewhere has been fixed. Thanks to Pavel Rochnyack. #2328 * BIND plugin: Fix parsing of the sample time provided by BIND. Previously, the time was assumed to be in the local time zone when in fact it was in UTC. Thanks to Ed Ravin. #1268 * BIND plugin: Memory leaks have been fixed. Thanks to Ruben Kerkhof. #2303 * Chrony plugin: Build flags have been fixed. Thanks to Thomas Jost and Marc Fournier. #2133 * cURL-JSON plugin: The timeout value has been changed to default to the collection interval. This fixes a regression. Thanks to Marc Fournier. * cURL-JSON plugin: Handling of arrays has been fixed. Thanks to Florian Forster. #2266 * DBI plugin: Memory leaks at shutdown have been fixes. Thanks to Pavel Rochnyack and Florian Forster. * E-Mail, Exec, UnixSock plugins: Group ID lookup on systems with many groups has been fixed. Thanks to Ruben Kerkhof and Florian Forster. #2208 * IPC plugin: A compilation error on AIX has been fixed. Thanks to Pavel Rochnyack. #2305 * LogFile plugin: If writing to the file fails, print log messages on "STDERR" instead. Thanks to Marc Fournier. * Log Logstash plugin: If writing the log entry fails, print it to "STDERR" instead. Thanks to Marc Fournier. * memcachec, Tail plugins: A resource leak in the matching infrastructure has been fixed. Thanks to Krzysztof Matczak. #2192 * MQTT plugin: Invalid symbols in topic names are now replaced and a resource leak has been fixed. Thanks to Denys Fedoryshchenko. #2123 * Network plugin: A potential endless-loop has been fixed. This can be triggered remotely by sending a signed network packet to a server which is not set up to check signatures. Thanks to Marcin Kozlowski and Pavel Rochnyack. #2174, #2233, CVE-2017-7401 * Network plugin: A use-after-free has been fixed. Thanks to Pavel Rochnyack. #2375 * Notify Email plugin: The plugin is no longer explicitly linked against libssl and libcrypto, relies on libesmtp being linked correctly. Thanks to Marc Fournier. Debian#852924 * NTPd plugin: Calculation of loop offset and error has been fixed. Thanks to Neil Wilson. #2188 * OpenLDAP plugin: An incorrect use of the ldap library, leading to a crash, has been fixed. Thanks to Marc Fournier. #2331 * Perl plugin: A potential double-free has been fixed. Thanks to Florian Forster. #2278 * Perl plugin: Print an error when an incorrect configuration is encountered. Thanks to Pavel Rochnyack. #927 * RRDtool plugin: Incorrect handling of the flushes timeout option has been fixed. Handling of the "RandomTimeout" has been fixed. Thanks to Pavel Rochnyack. #2363 * SMART plugin: Some warning messages have been removed and the code has been cleaned up. Thanks to Florian Forster. #2062 * SMART plugin: A check for the "CAP_SYS_RAWIO" capability has been added. Thanks to Marc Fournier. * SNMP plugin: A double free has been fixed. Thanks to Pavel Rochnyack. #2291 * Write Graphite plugin: Error handling in the case that calculating a metric's rate fails has been improved. Previously, the raw counter values were sent to Graphite. Thanks to Iain Buclaw. #2209 * Write Kafka plugin: A 32 bit random number is now used when formatting a random key. Thanks to Florian Forster. #2074 2016-11-30, Version 5.6.2 * collectd: A compile error on AIX has been fixed: "MSG_DONTWAIT" is not available on AIX. Thanks to Chao Yang. * collectd: The capability checking has been rewritten to be more portable. Thanks to Florian Forster. #2009 * collectd.conf(5): Various typos have been fixed. Thanks to Marc Fournier. * collectd-tg: Incorrect usage of "nanosleep()" has been fixed which caused the tool to sleep (almost) indefinitely. Thanks to Florian Forster. * Build system: Detection of the Java environment has been made deterministic to allow for reproducible builds. Thanks to Marc Fournier. #1523 * Build system: Detection of the Lua headers has been improved. Thanks to Ruben Kerkhof. * APC UPS plugin: Unavailable metrics are now skipped instead of reported as 0 (zero). Thanks to Florian Forster. #2025 * Modbus plugin: Build issues on FreeBSD have been fixed. Thanks to Florian Forster. * OpenVPN plugin: Gracefully handle empty configurations. Thanks to Pavel Rochnyack. #1932 * PowerDNS plugin: The "recursor command" has been fixed so PowerDNS can correctly parse all requested fields. Thanks to Ruben Kerkhof. * Write Graphite and AMQP plugins: A bug that could lead to a missing null-termination has been fixed. Thanks to Markus Linnala. * Write HTTP plugin: A logic error when checking the correctness of the data set has been fixed. Thanks to Pavel Rochnyack. #1996 * Write Kafka plugin: The "Key Random" config option has been fixed. Thanks to Florian Forster. #1977 * Write Kafka plugin: Support for librdkafka 0.9.0 has been added. Thanks to Florian Forster. * Write Riemann plugin: Build issues on Solaris have been fixed. Thanks to Florian Forster. * ZFS ARC plugin: A duplicate metric has been removed. Thanks to Ruben Kerkhof. #1963 2016-10-07, Version 5.6.1 * Build system: Unnecessary linking of the Write Graphite plugin with libyajl has been removed. Thanks to Marc Fournier. Debian#839771, #1976 * collectd: A bug in the "FlushInterval" option that caused a segmentation fault in the Write HTTP plugin has been fixed. Thanks to Florian Forster. #1954 * Apache plugin: A syntax error has been fixed. Thanks to Florian Forster. * cURL-JSON plugin: A segmentation fault that occurred when handling JSON with unexpected structure has been fixed. Thanks to Florian Forster. #1896 * PostgreSQL plugin: Handling of "NULL" values in the "query_plans" and "query_plans_by_table" queries has been fixed. Thanks to Bernd Zeimetz. #1905 * RRDCacheD plugin: Reconnection behavior has been added. Thanks to Sebastian Harl. Debian#657877 * VServer plugin: Use of a deprecated API ("readdir_r()") has been fixed. Thanks to Sebastian Harl. * Write Graphite plugin: Make default values configurable at compile time again. Thanks to Florian Forster. #1953 * Write HTTP plugin: A bug has been fixed that lead to flush callbacks being registered twice. Thanks to Florian Forster. #1955 2016-09-11, Version 5.6.0 * Build system: An option to to avoid building the DF plugin against XFS has been added. Thanks to Ruben Kerkhof. #1878 * Build system: Autoconf ≥ 2.60, a C99-capable compiler and pkg-config are now required. Thanks to Ruben Kerkhof. * Build system: Building with "-Werror" is now optional. Thanks to Ruben Kerkhof. #1222 * Build system: Many compilation issues on non-Linux platforms have been fixed, leading to wider plugin support. Thanks to Ruben Kerkhof, Dagobert Michelsen, Havard Eidnes and Robert Viduya. * Build system: The configuration summary now also ends up in config.log. Thanks to Sebastian Harl. * collectd: All command-line options now override global options from the config file. Thanks to Sebastian Harl. #366 * collectd: A number of unit tests for commonly used functions have been added. Thanks to Florian Forster. * collectd: Plugins start up and read timeouts are now logged. Thanks to Marc Fournier. #1293, #1254 * collectd: Support for a timeout has been added to "FLUSH" callbacks. Thanks to Manuel Luis Sanmartín Rozada. * collectd: The "-T" command line switch now reports more errors. Thanks to Corey Kosak. #1642 * collectd: The max size of value list elements ("DATA_MAX_NAME_LEN") has been doubled and is now configurable at build time. Thanks to Amy Lin, Florian Forster and Radu Brumariu. #1120 * Set target: The "MetaData" option has been added. Thanks to Yves Mettier and Kevin Bowling. #1106, #1656, #1913 * AMQP, Write_HTTP, Write_Kafka plugins: Support for libyajl < 2 has been added. Thanks to Florian Forster. * APC UPS plugin: Parsing of end markers has been fixed. Thanks to Florian Forster #617 * APC UPS plugin: The "PersistentConnection" option has been added. Thanks to Florian Forster #617 * ceph, DNS, Exec, IPTables, Ping, turbostat plugins: When running unprivileged, these plugins will now warn about insuffiscient permissions or capabilities(7). Thanks to Marc Fournier. #1530 * Chrony plugin: This new plugin collects NTP data from the chrony NTP server. Thanks to Claudius Zingerli. #1548 * cpusleep plugin: This new plugin measures time spent by CPU in deep sleep mode. Thanks to Rinigus. #1826 * CPU plugin: The "ReportNumCpu" option has been added. Thanks to Fabien Wernli. * cURL, cURL-JSON, cURL-XML plugins: The new "Statistics" reports various per-HTTP connection timers. Thanks to Sebastian Harl. #1004 * DBI plugin: The "Interval" option has been added to "Database" blocks. Thanks to Michal Bebjak. * Disk plugin: Support for FreeBSD has been added. Thanks to Xin Li, Brad Davis, Ruben Kerfhof and Kevin Bowling. * Empty Counter match: Support for derives has been implemented. Thanks to Florian Forster. #1813 * GenericJMX plugin: Support for TabularData and the "PluginName" option have been added. Thanks to David Crane. #1290, #1291 * GPS plugin: This new plugin reports the number of sattelites seen by and precision of a GPS receiver. Thanks to Nicolas Jourden. #1346 * gRPC plugin: This new client and server plugin allows sending and receiving metrics using the gRPC protocol. Comparable to the UnixSock plugin, but using TCP and TLS. Thanks to Sebastian Harl and Florian Forster. * Interface plugin: Reporting dropped packets has been added. Thanks to Marc Falzon. #1555 * Interface plugin: The "ReportInactive" has been added, letting users skip inactive network interfaces. Thanks to Rinigus. #1791 * Interface plugin: The new, Solaris-only "UniqueName" option has been added. Thanks to Yoga Ramalingam. #1416 * Lua plugin: This new language binding allows writing plugins using the Lua programming language. Thanks to Julien Ammous, Florian Forster and Ruben Kerkhof. * Memory plugin: Reporting of ARC memory on Solaris has been added. Thanks to Brian ONeill. * MQTT plugin: This new plugin sends metrics to and/or receives metrics from an MQTT broker. Thanks to Marc Falzon, Jan-Piet Mens, Nicholas Humfrey and Florian Forster. #805, #1124 * MySQL plugin: Connection to the database server can now be done over SSL. Thanks to Brian Lalor. #1256 * MySQL plugin: Monitoring slow queries has been added. Thanks to skob. #1773 * MySQL plugin: mysql_bpool_pages-flushed has been renamed to mysql_bpool_counters-pages_flushed because the value is cumulative. Thanks to Marek Becka. * MySQL plugin: Support for Galera statistics has been added. Thanks to Rachid Zarouali. #1849 * MySQL plugin: Support for InnoDB metrics was improved. Thanks to Aman Gupta. #1111 * MySQL plugin: The "mysql_sort" type has been split into 3 different types. Thanks to Pavel Rochnyack. #1592 * Network plugin: Decryption error logging has been improved. Thanks to Pavel Rochnyack. #1735 * Notify Nagios plugin: This new plugin sends notifications to Nagios as a passive check result. Thanks to Florian Forster. * NTPd plugin: The plugin now detects if the ntp daemon reports nanoseconds instead of microseconds. Thanks to Matwey V. Kornilov. #1783 * OpenLDAP plugin: Several connection-related improvements have been made. Thanks to Marc Fournier. #1308 * OpenLDAP plugin: Support for "simple authentication" has been added. Thanks to Marek Becka. #1087 * Ping plugin: The "Size" option has been added, allowing the ICMP data payload size to be configured. Thanks to Witold Baryluk. #1395 * PostgreSQL, DBI, Oracle plugins: The new "PluginInstanceFrom" option has been added. Thanks to Pavel Rochnyack. #1707 * PowerDNS plugin: The recursor metrics have been updated to 3.7.3 and missing rr types have been added. Thanks to Ruben Kerkhof. * Processes plugin: Counting of context switches was added for Linux. Thanks to Manuel Luis Sanmartín Rozada. #1036 * Processes plugin: Improve reliability of thread counts on Linux. Thanks to Manuel Luis Sanmartín Rozada. * Python plugin: Minimal Python version requirement has been bumped to 2.6. Thanks to Ruben Kerkhof. #1864 * Redis plugin: Several additional metrics are now collected. Thanks to Marc Falzon and Matteo Contrini. #1807, #1483 * Sensors plugin: The "UseLabels" option has been added. Thanks to Christian Fetzer. * SMART plugin: The new "IgnoreSleepMode" option has been added. Thanks to Scott Talbert. #1770 * SMART plugin: The new "UseSerial" option allows identifying devices in a stable way. Thanks to Scott Talbert. #1794 * SNMP plugin: The "IpAddress" can now be used for instances. Thanks to Vincent Bernat. #1397 * StatsD plugin: Latency calculation histogram is now able to shrink automatically to optimal size. Thanks to Pavel Rochnyack. #1622 * StatsD plugin: The "CounterSum" option has been added. Thanks to Florian Forster. #929, #1282, #1311 * UUID plugin: The plugin now also looks in in smbios system table and "/sys/class/dmi". Thanks to Ruben Kerkhof. #1490 * virt plugin: The "PluginInstanceFormat" option has been added. Thanks to Ruben Kerkhof. #1100 * Write Graphite plugin: The "ReconnectInterval" option has been added. Thanks to Toni Moreno and Florian Forster. * Write HTTP plugin: A KairosDB formatter has been added. Thanks to Aurélien Rougemont. #1809 * Write HTTP plugin: Notifications are now handled by this plugin. Thanks to Florian Forster. * Write HTTP plugin: The "LogHttpError" option has been added. Thanks to vzubko. * Write HTTP plugin: The new "Headers" option allows setting custom HTTP headers in outgoing requests. Thanks to Brandon Arp. #1634 * Write Kafka plugin: Key handling has been made more comprehensive and reliable. Thanks to Florian Forster, Pierre-Yves Ritschard and Vincent Bernat. #1765, #1695, #1393 * Write Redis plugin: The "Database", "MaxSetSize", "Prefix" and "StoreRates" options have been added. Thanks to Brian Kelly and Sebastian Pfahl. * Write Riemann plugin: The new "BatchFlushTimeout" and "Timeout" option have been added. Thanks to Pierre-Yves Ritschard and Gergely Nagy. * Write Riemann plugin: This plugin now requires the riemann-c-client library, version 1.6.0+. This adds support for submitting values to Riemann over TLS. Thanks to Gergely Nagy. #986 * Write TSDB, Write Sensu, Write Riemann, Write Graphite, Write TSDB plugin: TCP keepalive is now enabled, helping graceful recovery from unclean network disconnections. Thanks to Marc Fournier. #1549 * XenCPU plugin: This new plugin collects XEN Hypervisor CPU stats. Thanks to Pavel Rochnyack. #1608 * ZFS ARC plugin: Several new statistics have been added and a couple of obsolete ones removed. Thanks to Brad Davis, Brian ONeill and Ruben Kerkhof. * Zone plugin: This new plugin reads per-zone CPU usage on Solaris. Thanks to Mathijs Mohlmann and Dagobert Michelsen. 2016-11-28, Version 5.5.3 * collectd: Write threads are stopped before shutdown callbacks are called. Thanks to Florian Forster. #1110 * collectd: A compile error on AIX has been fixed: "MSG_DONTWAIT" is not available on AIX. Thanks to Chao Yang. * libcollectdclient: Lines printed to "STDERR" are now guarded by the environment variable "COLLECTD_TRACE". Thanks to Florian Forster. #105 * collectd.conf(5): Various typos have been fixed. Thanks to Marc Fournier. * Build system: Detection of the Java environment has been made deterministic to allow for reproducible builds. Thanks to Marc Fournier. #1523 * APC UPS plugin: Unavailable metrics are now skipped instead of reported as 0 (zero). Thanks to Florian Forster. #2025 * Battery plugin: The minimum value has been removed from the power type to allow the plugin to report discharging batteries as negative power. Thanks to Florian Forster. * DBI, Oracle and PostgreSQL plugins: An error message when the type instance is truncated has been added. Thanks to Florian Forster. #4 * cURL-JSON plugin: A possible segmentation fault when parsing unexpected JSON has been fixed. Thanks to Florian Forster. #1896 * DF plugin: Compilation with xfsprogs ≥ 4.7.0 has been fixed. Thanks to Thomas Deutschmann. #1877 * Modbus plugin: Build issues on FreeBSD have been fixed. Thanks to Florian Forster. * Network plugin: An error message has been corrected. Thanks to Florian Forster. * Network plugin: Handling of errors form secure memory initialization has been improved: the plugin fails gracefully now instead of calling "abort()". Thanks to Sebastian Harl. * Network plugin: The gcrypt library is only initialized when it is actually required due to the network plugin's configuration. Thanks to Florian Forster. #1902 * Ping plugin: The init callback has been changed to be idempotent, fixing errors being reported on Solaris. Thanks to Florian Forster. #869 * PostgreSQL plugin: The query_plans and query_plans_by_table queries have been improved to return 0 (zero) instead of "NULL" when not available. Thanks to Bernd Zeimetz. #1905 * PowerDNS plugin: The "recursor command" has been fixed so PowerDNS can correctly parse all requested fields. Thanks to Ruben Kerkhof. * Python plugin: Handling of data sets with multiple data sources of different type has been fixed. Thanks to Sebastian Harl. * RRDCacheD plugin: Reconnection behavior after failed operations has been added. Thanks to Sebastian Harl. Debian#657877 * Write Graphite and AMQP plugins: A bug that could lead to a missing null-termination has been fixed. Thanks to Markus Linnala. * Write Kafka plugin: Support for librdkafka 0.9.0 has been added. Thanks to Florian Forster. * Write Riemann plugin: Build issues on Solaris have been fixed. Thanks to Florian Forster. 2016-07-25, Version 5.5.2 * collectd: A division by zero has been fixed in the "plugin_dispatch_multivalue()" function. Thanks to Corey Kosak. * collectd: The address of the Free Software Foundation has been fixed in GPL license headers. Thanks to Ruben Kerkhof. * Build system: Detection and handling of librrd 1.6 and later has been fixed. Thanks to Ruben Kerkof. * Apache plugin: A warning about a possible misconfiguration has been added. Thanks to Marc Fournier. * cURL, cURL-JSON and cURL-XML plugins: A memory leak when allocating more memory fails has been fixed. Thanks to Brandon Arp. * DF plugin: A build issue on DragonFlyBSD has been fixed. Thanks to Ruben Kerkhof. #1575 * Ethstat plugin: Code to strip leading whitespace from device names. This works around an issue in the VMXNet3 driver. Thanks to Thomas Guthmann. #1059 * Exec plugin: A problem in the error handling of an fdopen() failure has been fixed. Thanks to @ciomaire. * Modbus plugin: The debug output has been disabled by default. It is now only enabled when building with "--enable-debug". Thanks to Eric Sandeen and Marc Fournier. * Network plugin: A check for the initialization of secure memory has been added. Previously, failure to initialize this memory was ignored. Thanks to @yujokang. #1665 * Network plugin: A heap overflow has been fixed in the server code. This issue can be triggered remotely and is potentially exploitable. Thanks to Emilien Gaspar. CVE-2016-6254 * Perl plugin: Init callbacks have been changed to run essentially single-threaded to avoid race conditions by init functions which create additional threads. Thanks to Pavel Rochnyack. #1706 * Processes plugin: A warning about too long process names has been added. Thanks to Marc Fournier. #1284 * Redis plugin: A memory leak in an error handling code path has been fixed. Thanks to Andrés J. Díaz. * Redis plugin: The data source type of the expired_keys metric has been corrected to "DERIVE". Thanks to Marc Falzon and Marc Fournier. #1483. * SMART plugin: A build dependency on libudev has been added. Thanks to Pavel Rochnyack. #1724 * StatsD plugin: A deadlock on plugin shutdown has been fixed. Thanks to Pavel Rochnyack #1703 * Write HTTP plugin: Freeing of memory holding HTTP headers during shutdown has been fixed. Thanks to Tolga Ceylan. * Write Sensu plugin: A segfault when the Tag was unset has been fixed. Thanks to Marc Fournier. * ZFS ARC plugin: The cache_operation-stolen metric has been removed for FreeBSD 10.2 and later. Thanks to Ruben Kerkhof. #1580 2016-01-22, Version 5.5.1 * Build system: Compilation errors have been avoided by correctly defining package name and version used by autoconf. Thanks to Nathan Berkley. #1063 * Build system: Dependency ordering was fixed to ensure parallel builds work reliably. Thanks to Gustavo Zacarias. #1125 * Build system: Error messages have been improved and building the unit tests has been fixed on Solaris. Thanks to Florian Forster and Dagobert Michelsen. #1077 * Build system: The move of the "utils_ignorelist" functions has been reverted. This fixes build issues of numerous plugins. Thanks to Benjamin Drung;. #1323 * Build system: The fhcount plugin has been restricted to Linux. Thanks to Ruben Kerkhof. #1195 * Build system: Detection of header files for the turbostat plugin has been fixed. Thanks to Marc Fournier. #1075 * collectd: The "LC_NUMERIC" locale is now forced, to prevent issues with some plugins on environments using a comma as decimal separator. Thanks to Florian Forster. #1237 * Documentation: Some precisions related to the virt plugin have beed added. Thanks to Wojtek Bocer and Ruben Kerkhof. * Documentation: The CollectdInternalStats documentation has been improved. Thanks to Yves Mettier and Florian Forster. * Battery plugin: A missing Type has been added. Thanks to Marc Fournier. #1338 * Bind plugin: An off-by-one error has been fixed: an index was checked against a wrong variable, which may lead to an out-of-bounds read. Thanks to Michal Humpula. #1123 * Ceph plugin: JSON parsing has been refactored to support ceph 10.0.0 and fixes several buffer overflows. Thanks to Florian Forster. #1350 * CPU plugin: A Mac OS X specific bug has been fixed: the plugin expected an incorrect number of CPU states, resulting in failing read callbacks. This regression was introduced in 5.5.0. Thanks to Robert Viduya. * Disk plugin: Support for Mac OS X 10.10 has been added. Thanks to Robert Viduya. #1065 * IPC plugin: Support for building with musl-libc has been added. Thanks to Natanael Copa. #1147 * Log Logstash plugin: A segfault when using libyajl, version 1 was fixed. Thanks to Vincent Bernat. #1190 * Log Logstash plugin: The timestamp is now ISO 8601 compliant. Thanks to Marc Fournier. #1132 * memcached plugin: The Type of the listen-disabled metric was fixed. Thanks to Florian Forster. #1356 * MySQL plugin: The Type used by Innodb_buffer_pool_pages_flushed was fixed. Thanks to Marek Becka. #1085 * OpenLDAP plugin: A crash when using LDAPI (LDAP-over-IPC) got fixed. Thanks to Marek Becka. #1080 * OpenLDAP plugin: Support for Mac OS X has been added. Thanks to Ruben Kerkhof. #1489 * SMART plugin: A memory leak has been fixed. Thanks to Florian Schüller and Pierre-Yves Ritschard. #1076 * Swap plugin: A regression that would lead to swap usage being reported in kilobytes (instead of bytes) has been fixed. Thanks to Marek Becka. #1071 * Varnish plugin: Support for FreeBSD has been added. Thanks to Ruben Kerkhof. #1182 * Varnish plugin: Support for versions 3 and 4 has been made more tolerant to minor changes in Varnish point releases. Thanks to Marc Fournier. #1302 * virt plugin: A copy-and-paste mistake in an error message has been fixed. Thanks to Ruben Kerkhof. #1101 * Write Kafka plugin: Support for Solaris has been added. Thanks to Shahul Hameed. #1171 * Write Redis plugin: Dead code has been removed. Thanks to Brian Kelly. #1143 * 27 patches have been applied to numerous plugins and core components, fixing various programming errors which were reported by scan-build, libasan, FBInfer, coverity-scan and clang: Thanks to Ruben Kerkhof, Florian Forster and Marek Becka. * Collectd::Unixsock: A Perl error got corrected. Thanks to Ciaran Mac An Iomaire. #1295 2015-05-27, Version 5.5.0 * Build system: Ability to make out-of-tree builds has been fixed. Thanks to Vincent Bernat. #792 * Build system, Disk and Users plugins: Detection and use of libstatgrab ≧ 0.90 has been added. Thanks to Vincent Bernat. #445, #795, #806, #807, #908 * Build system, Memory, CPU, TCPConns and Processes plugins: Numerous fixes related to OpenBSD support have been added. Thanks to Landry Breuil. #777, #778, #779, #808 * Build system: Plugins now only export "module_register()". Thanks to Florian Forster. * Build system: Various cleanups and improvements have been done. Thanks to Marc Fournier. * collectd: Numerous internal changes and improvements to the daemon and the plugin API have been make. Thanks to Florian Forster, Pierre-Yves Ritschard and Alex Petrov. #512, #727 * collectd: Numerous spelling mistakes have been corrected in comments and documentation and several error messages have been improved. Thanks to Ruben Kerkhof, Abhinav Upadhyay, Olivier Bazoud, Pierre-Yves Ritschard, Tim Smith, Moshe Zada, Katelyn Perry and Marc Fournier. * collectd: Rules/Targets can now be appended to existing Filter Chains. Thanks to Marc Falzon. #444 * collectd: Failing Filter Chains destinations will now log the list of available write targets. Thanks to Wilfried Goesgens. #650, #1043 * collectd: Support for process signaling and management by upstart and systemd has been implemented for the Linux platform. Thanks to Pierre-Yves Ritschard and Marc Fournier. #798, #811, #814 * collectd: The "CollectInternalStats" option has been added. Thanks to Yves Mettier. #691 * collectd: The daemon source code and dependencies have moved to the "src/daemon/" directory. Thanks to Florian Forster. * collectd: The new "MaxReadInterval" option allows to cap the exponential retry interval of plugins read errors. Thanks to Alexey Remizov and Florian Forster. #713 * collectd: The "-P" command-line option now has precedence over the "PIDFile" option. Thanks to Thomas D. #553 * collection.cgi: Various data-source related adjustments have been made. Thanks to Fabiano Pires and Sebastian Harl. * libcollectdclient: Now propagates errors when signing / encrypting network packets. Thanks to Florian Forster. * Configuration: Support for unquoted IPv6 addresses has been added. Thanks to Sebastian Harl. #489 * Documentation: Various improvements have been done. Thanks to Florian Forster and Marc Fournier. * Examples: the sample C plugin has been updated to the current plugin API. Thanks to Sebastian Harl. * Licensing: The following components have been relicensed to the MIT license: the Apple Sensors, Ascent, DBI, E-Mail, Entropy, GenericJMX, gmond, LogFile, nginx, Notify Desktop, NTPd, NUT, olsrd, Perl, Ping, PostgreSQL, Protocols, RouterOS, RRDCacheD, SNMP, StatsD, SysLog, Table, Tail, UnixSock, vmem, VServer, Wireless, Write Riemann and XMMS plugins, the core collectd daemon, the collectdmon, collectd-nagios and collectd-tg utilities, all the Targets and Matches, liboconfig, most of the "utils_*" files and the plugin API. * Tests: A test suite has been added. Thanks to Florian Forster. * Threshold: The hysteresis calculation has been made more reliable. Thanks to Jan Kundrát. #581 * Threshold: Various fixes and improvements have been made. Thanks to Manuel Luis Sanmartín Rozada. #649, #644 * AMQP plugin: The "ConnectionRetryDelay" option has been added, allowing to delay reconnection. Thanks to Yoga Ramalingam and Marc Fournier. #833 * AMQP plugin: The "QueueDurable" and "QueueAutoDelete" options have been added, giving control over queue creation and deletion. Thanks to David Blundell and Marc Fournier. #623 * Apache, Ascent, BIND, cURL, cURL-JSON, cURL-XML, nginx and Write HTTP plugins: Customizing the "User-Agent" field is now possible at compile-time. Thanks to Jeremy Katz. #440 * Apache, Ascent, BIND, cURL, cURL-JSON, cURL-XML, nginx plugins: The connection will be reset if it hasn't completed within the configured "Interval". The new "Timeout" option gives control over this behavior. Thanks to Jan Kundrát and Marc Fournier. #982, #983, #993 * Apache, Ascent, cURL, cURL-JSON, cURL-XML, nginx, Write HTTP plugins: Allow usernames and passwords to contain colons if built against libcurl ≧ 7.19.1. Thanks to Marc Fournier. #695, #947 * Apache plugin: The "SSLCiphers" option gives control over the encryption algorithms to use with TLS connections. Thanks to Toni Moreno. #946 * Barometer plugin: This new plugin reads sensor data from various Freescale and Bosch digital barometers. Thanks to Tomas Menzl. #69, #693 * Battery plugin: Reporting values as percentages and reporting degraded batteries has been added. Thanks to Florian Forster. * Battery plugin: Support for reading values from sysfs on Linux has been added. Thanks to Andy Parkins, Nicholas Humfrey, Peter Wu and Florian Forster. #725, #810, #998 * Battery plugin: The value for current is no longer supplied unless the battery provides this information. Thanks to Florian Forster. * BIND plugin: Bind's XML v3 API is now supported; Thanks to Victor Berger, Bruno Prémont and Michal Humpula. #742, #847 * Ceph plugin: This new plugin collects statistics from the Ceph distributed storage system. Thanks to Dan Ryder, Dennis Zou, Colin McCabe, Sage Weil. #522, #598 * ConnTrack plugin: Support for reporting values as percentages as well as legacy conntrack files in "/proc" has been added. Thanks to Pierre-Yves Ritschard. #497, #680 * CPU plugin: The plugin is now able to report values as percentages and aggregate values per-state and per-CPU. Thanks to Pierre-Yves Ritschard, Florian Forster, Fabien Wernli, Nicholas Humfrey and Wilfried Goesgens. #499, #516, #639 #734, #812, #802 * cURL-JSON plugin: Extracting values from complex JSON structures has been enhanced. Thanks to Jim Radford. #408, #411 * cURL-JSON plugin: Intervals can now be configured on a per-URL basis. Thanks to Stan Sawa. #685 * cURL-JSON, cURL-XML, Write HTTP plugins: These plugins now also follow HTTP redirects. Thanks to Marc Fournier. * cURL, cURL-JSON, cURL-XML plugins: HTTP Digest authentication has been implemented. Thanks to Frank Cornelis. #482 * DBI, Oracle, PostgreSQL plugins: A "MetadataFrom" parameter has been added which allows to set metadata from database columns. Thanks to Mark Wong. #317, #321 * DBI plugin: Querying several databases in parallel is now possible. Thanks to Vincent Bernat. #453 * Disk plugin: On the Linux platform, disk names can now get looked up in udev with the "UdevNameAttr" option. Thanks to Patrick Mooney. #537 * Disk plugin: This plugin now collects several additional I/O-related metrics on the Linux platform. Thanks to Florian Forster and Michael Schenck. #705, #759 * DRBD plugin: This new plugin reads Linux's Distributed Replicated Block Device (DRBD) statistics. Thanks to Tim Laszlo. #566, #700 * Exec, UnixSock plugins: The "PUTNOTIF" command now allows to set metadata on notifications. Thanks to John-John Tedro. #416 * fhcount plugin: This new plugin reports the number of used file handles. Thanks to Jiri Tyr. #1009 * GenericJMX plugin: A Class Loader for "JMXConnectorFactory" has been added, allowing the plugin to work with JBOSS > 7. Thanks to Alexandre Moutot. #452 * IPC plugin: This new plugin collects information related to shared memory. Thanks to Andrés J. Díaz. #925 * Java plugin: Now uses the hostname defined in the configuration file. Thanks to Pierre-Yves Ritschard. #530, #681 * Load plugin: The plugin is now able to report values as percentages. Thanks to Vedran Bartonicek and Pierre-Yves Ritschard. #344, #498 * Log Logstash plugin: This new plugin writes collectd logs and events as Logstash JSON formatted events. Thanks to Pierre-Yves Ritschard. #360 * LVM plugin: The plugin collects thin pool data volumes size, and no longer reports virtual volumes. Thanks to Benjamin Gilbert. #603 * memcached plugin: "listen_disabled_num" are now also reported. Thanks to Matt Cottingham. #622 * Memory plugin: Slab memory reporting on the Linux platform has been added. Thanks to Manuel CISSÉ and Marc Fournier. #560, #697 * Memory plugin: The plugin is now able to report values as percentages. Thanks to Jeremy Katz, Florian Forster and Manuel CISSÉ. #501, #511, #559 * Modbus plugin: Selecting between holding and input registers is now possible. Thanks to Jan Vitek. #338 * Modbus plugin: Support for accessing devices through an RS-485 serial port has been added. Thanks to Eric Sandeen. * Multimeter plugin: This plugin isn't built by default on the AIX platform anymore. Thanks to Manuel Luis Sanmartin Rozada. #549, #684 * MySQL and PostgreSQL plugins: Passing "127.0.0.1" as a host will now result in the global Hostname being used in metric names. Thanks to Jeremy Katz. #441 * MySQL plugin: InnoDB, Select and Sort statistics collection has been added. Thanks to Wilson Felipe, Marek Becka and Pierre-Yves Ritschard. #248, #621, #699, #824 * MySQL plugin: The "Alias" and "ConnectTimeout" options have been added. Thanks to William Tisäter. * Netlink plugin: Support for 64bit netlink counters has been added. Thanks to Marek Becka. #435 * Network plugin: The "ReconnectInterval" configuration option has been added. Thanks to John Ferlito. #732 * NFS plugin: Support for NFSv4.0 has been implemented. Thanks to Marek Becka. #550 * OneWire plugin: Support for more temperature-providing sensor families has been added. Thanks to Tomasz Torcz. #672 * OneWire plugin: Support for full OWFS path and more device families has been implemented. Thanks to Tomas Menzl. #68 * OpenLDAP plugin: This new plugin reads monitoring information from OpenLDAP's "cn=Monitor" subtree. Thanks to Kimo Rosenbaum, Marc Fournier and Nicholas Humfrey. #719 * OpenVPN plugin: Support for OpenVPN 2.3.0 has been implemented. Thanks to Ed Okerson. #252 * OpenVZ plugin: Various improvements have been made, making the plugin report values like the other collectd plugins do. Thanks to Chris Lundquist. #264 * Perl plugin: A new "listval_filter" method has been added, various internal cleanups and improvements have been made and a test suite has been added. Thanks to Matthias Bethke. #728 * PostgreSQL plugin: The new "ExpireDelay" option allows skipping older values pending write when the database slows down. Thanks to Stephen O'Dor. #593 * PowerDNS plugin: The plugin was updated for stats from pdns 3.4.3. Thanks to Ruben Kerkhof. #965 * Processes plugin: A memory-usage related optimization for low-profile systems has been added. Thanks to Florian Forster. #652 * Python plugin: Support for Python3 has been improved, "ModulePath" is now prepended to "sys.path", and the "get_dataset()" function has been added to the Python API. Thanks to Sven Trenkel and Patrick Browne. #890, #751, #771 * Redis and Write_Redis plugins: The support library has been switched from credis to hiredis. Thanks to Andrés J. Díaz, Victor Seva, Marc Fournier, Johan Bergström, Michael Spiegle and brianpkelly. #296, #464, #475, #799, #1030 * Redis plugin: Custom commands can now be used to fetch values stored in Redis. Thanks to Pierre-Yves Ritschard. #816 * Redis plugin: Support for passwords up to 512 characters long has been added. Thanks to Jeremy Katz. #532 * Sensors plugin: Support for lm_sensors' power sensors has been added. Thanks to Jan Kundrát. #571 * SMART plugin: This new plugin collects SMART statistics from disk drives. Thanks to Vincent Bernat. #797 * SNMP plugin: A blacklist/whitelist feature can now be used to filter which OIDs to collect. Thanks to Christophe Courtaut. #414 * SNMP plugin: SNMPv3 authentication and encryption support has been implemented. Thanks to Michael Pilat. #362 * SNMP plugin: Two error messages have been disambiguated. Thanks to Sergey. #939, #952 * Swap plugin: The plugin is now able to report values as percentages. Thanks to Jeremy Katz and Florian Forster. #500, #510 * Swap plugin: The plugin no longer fails on Linux systems where "SwapCached" isn't exposed by the kernel. Thanks to Florian Forster. #733 * Tail plugin: "GaugeInc" and "GaugeAdd" options have been implemented. Thanks to Andre Ferraz. #673 * Tail plugin: Intervals can now be configured on a per-File basis. Thanks to Tom Leaman. #446 * TCPConns plugin: The "AllPortsSummary" option, allowing to summarize all connections, has been added. Thanks to Marek Becka. #488 * TCPConns plugin: Three metrics were renamed on the AIX platform, for the sake of consistency. Thanks to Manuel Luis Sanmartín Rozada. #546 * Turbostat plugin: This new plugin reads CPU frequency and C-state residency on modern Intel turbo-capable processors. Thanks to Vincent Brillault, Jean Delvare and Nicolas Iooss. #651 * UnixSock plugin: The "GETTHRESHOLD" command has been re-added. Thanks to Manuel Luis Sanmartín Rozada. #674 * Varnish plugin: Varnish 4 support has been added, as well as as monitoring metrics only available in Varnish 4. Thanks to Marc Fournier. #618, #783 * virt plugin: Guests memory usage is now also collected. Thanks to Tiago Carvalho, jazzmes and Zollner Robert. * virt plugin: It is now possible to chose between using guests' name or UUID as plugin_instance. Thanks to Remi Ferrand. #385 * virt plugin: The libvirt plugin has been renamed to virt. Thanks to Florian Forster. * Write Graphite plugin: When the connection to graphite fails, reconnection attempts are now limited to once per second. Thanks to Florian Forster. #625 * Write HTTP plugin: Multi-instance support of this plugin has been improved. The "<URL "url">" block has been deprecated in favor of "<Node "identifier">". Thanks to Marc Fournier. #902 * Write HTTP plugin: Several TLS-related configuration options have been added. Thanks to Ingmar Runge. #666 * Write HTTP plugin: The "LowSpeedLimit" and "Timeout" options allow to reset slow/stalled network connections. Thanks to loginator17 and Marc Fournier. #752, #985 * Write HTTP plugin: The size of the payload posted to the HTTP server can now be controlled with the "BufferSize" option. Thanks to Florian Forster. #722 * Write Kafka plugin: This new plugin sends data to Apache Kafka, a distributed messaging queue. Thanks to Pierre-Yves Ritschard, ciomaire, Vincent Bernat, Marc Fournier. #670, #694, #794, #853, #014 * Write Log plugin: This new plugin dispatches collected values to the configured log destination(s). Thanks to Pierre-Yves Ritschard. #886 * Write Riemann plugin: Extra meta strings are now added as attributes in notifications. Thanks to John-John Tedro. #417 * Write Riemann plugin: Notification message are now sent to the Riemann server via the description field. Thanks to Adrian Miron. #575 * Write Riemann plugin: Support for custom attributes has been added. Thanks to Pierre-Yves Ritschard. #459 * Write Riemann plugin: Support had been implemented for sending events to Riemann in batches (when using TCP), and is enabled by default. Thanks to Pierre-Yves Ritschard. #800 * Write Riemann plugin: The "EventServicePrefix" option has been added, which adds a prefix to event service names. Thanks to Moshe Zada. #706 * Write Riemann plugin: Threshold checks can now be passed down to the Riemann server. Thanks to Pierre-Yves Ritschard. #518 * Write Sensu plugin: This new plugin submits values to Sensu, a stream processing and monitoring system. Thanks to Fabrice A. Marie and Marc Fournier. #912, #1001, #1016 * Write TSDB plugin: This new plugin sends data to OpenTSDB, a scalable time series database. Thanks to Kevin Bowling, Florian Forster, Dallin Young, Michael Schenck and Pierre-Yves Ritschard. #703, #772, #945 * ZFS ARC plugin: Support for ZFS-on-Linux has been added. Thanks to Marc Fournier and Wilfried Goesgens. #552 * Zookeeper plugin: This new plugin reads data from the Apache Zookeeper "MNTR" command. Thanks to Jeremy Katz. #826 2016-07-26, Version 5.4.3 * Build system: A deprecation warning has been removed. Thanks to Florian Forster. * Build system: An ordering issue when build the AMQP plugin was corrected. Thanks to Shahul Hameed. * Build system: Building the gmond plugin against recent libganglia versions has been added. Thanks to Marc Fournier. #1129 * Build system: "collectd-tg" now builds on AIX. Thanks to Manuel Luis Sanmartín Rozada. #542 * Build system: "version-gen.sh" portablility was improved. Thanks to Marc Fournier and Ruben Kerkhof. * Build system: Compiling utils_dns.c on Solaris has beed fixed. Thanks to Yves Mettier, Dagobert Michelsen and Florian Forster. #348 * Build system: Default JDK detection got improved. Thanks to Ruben Kerkhof and Marc Fournier. * Build system: Detection and handling of librrd 1.6 and later has been fixed. Thanks to Ruben Kerkhof. * Build system: notify_email build options got corrected to make it build on non-GNU libc systems. Thanks to Marc Fournier. * Build system: Protobuf building and logging has been improved. Thanks to Ruben Kerkhof. * Build system: The "make distcheck" target was fixed to properly handle java build artifacts. Thanks to Florian Forster. * Build system: The configure script got fixed to work properly when called with "CC="gcc -Wall -Werror"" . Thanks to Marc Fournier. * Build system: The configure script will now fail if pkg-config isn't available. Thanks to Ruben Kerkhof. * Build system: The users plugin now builds properly on Solaris when libstatgrab is available. Thanks to Dagobert Michelsen. #1061 * Build system: Various fixes have been done to improve library detection on FreeBSD. Thanks to Ruben Kerkhof. * collectd2html: Several perl errors have been corrected. Thanks to Ruud van Melick. #1103 * collectd: A global gauge format-string is now used to avoid loss of precision. Thanks to Florian Forster. #1039 * collectd: A race condition at plugin initialization time was fixed. Thanks to Jan Andres. #1316 * collectd: Autoloading now properly sets plugin context, allowing plugins to determine the interval. Thanks to Florian Forster. #1069 * collectd: Empty "Plugin" blocks are now supported by the configuration file parser. Thanks to Manuel Luis Sanmartín Rozada. #1035 * collectd: The address of the Free Software Foundation has been fixed in GPL license headers. Thanks to Ruben Kerkhof. * collectd: Writing to a closed TCP socket is now properly handled. Thanks to Tamás Földesi. #1104 * Documentation: iptables plugin: IPv6 configuration option has been added to the collectd.conf(5) manpage. Thanks to 'Marc Fournier''. #1496 * AMQP plugin: The plugin was fixed to build against librabbitmq 0.6.0. Thanks to Remi Collet. #1008 * Apache plugin: A warning about a possible misconfiguration has been added. Thanks to Marc Fournier. * Apache plugin: The plugin was extended to parse the whole response, required to support Apache versions greater than 2.4.17. Thanks to Marc Fournier and Florian Forster. #1170, #1343 * APC UPS plugin: Log messages are now prefixed with the plugin name. Thanks to Sergey. #1329 * Bind plugin: The type_instance now gets properly sanitized. Thanks to Thomas Kho. #992 * CPU plugin: Error messages on MacOSX have been improved. Thanks to Florian Forster. #22 * cURL plugin: A typo in an error message got corrected. Thanks to Marc Fournier. * cURL, cURL-JSON and cURL-XML plugins: A memory leak when allocating more memory fails has been fixed. Thanks to Brandon Arp. * DF plugin: An bug preventing filesystems which don't report inodes such as btrfs has been corrected. Thanks to Marek Becka. #1096 * DF plugin: Duplicate entries are no longer reported twice. Thanks to Stefan Brüns and Florian Forster. #1402 * DF plugin: Legacy code for skipping "rootfs" mount points has been removed. Thanks to Marc Fournier. #1402 * DF plugin: Legacy references to the "ReportReserved" option have been removed. Thanks to Marc Fournier. * DF plugin: Reading the mtab now uses a reentrant function when possible. Thanks to Ruben Kerkhof. #1163 * Ethstat plugin: Code to strip leading whitespace from device names. This works around an issue in the VMXNet3 driver. Thanks to Thomas Guthmann. #1059 * Exec plugin: A file descriptor leak when the plugin is configured to run as a non-existing user was corrected. Thanks to Gautam BT and Marc Fournier. #762 * Exec plugin: A problem in the error handling of an fdopen() failure has been fixed. Thanks to @ciomaire. * Interface plugin: Documentation about regular expressions in the ignore list has been added. Thanks to Jakub Jankowski. * IRQ plugin: The "FIQ" line is now skipped as it doesn't contain any counter. Thanks to Ruben Kerkhof. #971 * Modbus plugin: The debug output has been disabled by default. It is now only enabled when building with "--enable-debug". Thanks to Eric Sandeen and Marc Fournier. * MongoDB plugin: A memory leak has been fixed and some adaptations to the current API of the mongo-c-driver have been made. Thanks to Florian Forster. #956 * Network plugin: A check for the initialization of secure memory has been added. Previously, failure to initialize this memory was ignored. Thanks to @yujokang. #1665 * Network plugin: A heap overflow has been fixed in the server code. This issue can be triggered remotely and is potentially exploitable. Thanks to Emilien Gaspar. CVE-2016-6254 * Network plugin: The TimeToLive option handling was made more robust. Thanks to Tim Laszlo. #654 * NTPd plugin: Documentation about the required "mode 7" has been added. Thanks to Jakub Jankowski. * NTPd plugin: Reporting of "time_offset-loop" was corrected to match the values from ntpq/ntpdc. Thanks to Pierre Fersing and Florian Forster. #1300 * OpenVPN plugin: The plugin was fixe to avoid signaling an error when no clients were connected. Thanks to Florian Forster. #731 * Perl plugin: Init callbacks have been changed to run essentially single-threaded to avoid race conditions by init functions which create additional threads. Thanks to Pavel Rochnyack. #1706 * PF plugin and DNS plugin: These plugins have been fixed to build properly on OpenBSD again. Thanks to Ruben Kerkhof. * Processes plugin: A compilation error on systems without "regex.h" has been fixed. Thanks to Corey Kosak. * Processes plugin: A memory leak on Solaris has been fixed. Thanks to Jim Quinn. * Processes plugin and Swap plugin: These plugins have been corrected to also work inside FreeBSD jails. Thanks to biancalana. #1019 * Processes plugin: A warning about too long process names has been added. Thanks to Marc Fournier. #1284 * Processes plugin: Process counting on the FreeBSD and OpenBSD platforms has been fixed. Thanks to Herve COMMOWICK. #1298 * Processes plugin: The plugin was fixed to work properly on Solaris. Thanks to Jan Andres. #919 * Python plugin: A double-free bug got fixed. Thanks to Sven Trenkel. #1285 * RRDtool plugin: A race condition leading to corrupt RRD file creation has been fixed. Thanks to Manuel Luis Sanmartín Rozada. #1031 * SNMP plugin: The "Gauge32" signedness was corrected to match RFC1902. Thanks to Nathan Ward. #1325 * StatsD plugin: A deadlock on plugin shutdown has been fixed. Thanks to Pavel Rochnyack #1703 * StatsD plugin: A memory leak was corrected. Thanks to Florian Forster. #997 * StatsD plugin: A symbol lookup error was fixed by properly linking the plugin against libm. Thanks to Florian Forster. * StatsD plugin: "utils_latency": Support for including values above 1000 in percentile calculation has been added. Thanks to Yoga Ramalingam. #401 * StatsD plugin: "utils_latency": Two division by zero error conditions have been corrected. Thanks to Wilfried Goesgens. #655 * StatsD plugin: Counters absolute counts are now also reported. Thanks to Pierre-Yves Ritschard. #1311 * StatsD plugin: The plugin now emits NaN values when no timer event is recorded. Thanks to Florian Forster. #1038, #1039 * StatsD plugin: The plugin was corrected to avoid crashing when negative timer values are submitted. Thanks to Florian Forster. #1131 * Tail CSV plugin: The plugin was fixed to work properly with multiple "Collect" options and a bug got fixed when no "TimeFrom" is specified. Thanks to Manuel Luis Sanmartín Rozada and Florian Forster. #1032 * TCPConns plugin: A memory leak was fixed. Thanks to Florian Forster. #1074 * TCPConns plugin: An bug causing collectd to enter an inifinite loop on OpenBSD was fixed. Thanks to Landry Breuil. #1094 * Threshold plugin: Threshold configuration blocks can now be defined in different files. Thanks to Michael Salmon. #551 * vmem plugin: Support for pgsteal in recent Linux kernels has been added. Thanks to Jakub Jankowski. #1307 * vmem plugin: The DSType for nr_dirtied and nr_written was corrected to report a derive. Thanks to Marek Becka. #1072 * Write Graphite plugin: Error handling when submitting metrics to the server is now more robust. Thanks to Sam Pointer. #1364 * Write HTTP plugin: Freeing of memory holding HTTP headers during shutdown has been fixed. Thanks to Tolga Ceylan. * Write Redis plugin: Multi-Valued key was made easier to parse by adding a "|" character as a delimiter. Thanks to brianpkelly and Florian Forster. #1070 * Write Redis plugin: The timestamp format was corrected. Thanks to Florian Forster. * ZFS ARC plugin: The plugin was will not emit warning about missing "l2_size" stats anymore. Thanks to Jan Andres. #919 * 152 patches have been applied to numerous plugins and core components, fixing various programming errors which were reported by scan-build, libasan, FBInfer, coverity-scan, clang and gcc-6: Thanks to Ruben Kerkhof, Florian Forster, Marc Fournier, Corey Kosak, Laurent, Claudius Zingerli and Fabien Wernli. 2015-02-26, Version 5.4.2 * Build system: Numerous fixes. Thanks to Bjørn Nordbø, Jim Radford, KOMEDA Shinji, Lauri Tirkkonen, Manuel Luis Sanmartin Rozada, Marc Fournier, Rainer Müller, Yoga Ramalingam and Yves Mettier. #326, #373, #653, #828 * collectd: A use-after-free has been fixed in the "parse_value()" function. Thanks to Matthias Urlichs. * collectd: Fix carriage return sign in types_list Thanks to Marc Fournier and @NsLib. * collectd: Fix programming error in src/configfile.c. Thanks to Wilfried Goesgens. * collectd: An off-by-one error has been fixed in the "strstripnewline()" function. Patch by Florian Forster. * collectd: Use the complain mechanism to report filter chain write failures. Thanks to Sebastian Harl. * collectd: Spelling and grammar of error messages have been fixed. Thanks to Katelyn Perry and Tim Laszlo. * collectdctl: Fixed buffering issues which caused trouble on AIX and Solaris. Thanks to Yoga Ramalingam. * Documentation: Details and example about multi-instance filterchain targets have been added. Thanks to Marc Fournier. * Documentation: The "CollectStatistics" option of the rrdcached has been documented. Thanks to Micha Krause. #907 * Documentation: The write_redis has been documented. Thanks to Marc Fournier. * Documentation: The "GraphiteSeparateInstances" and "GraphiteAlwaysAppendDS" options of the amqp have been documented. Thanks to Marc Fournier. * Documentation: Documentation of the "AutoLoadPlugin" option has been improved. Thanks to Florian Forster. #715 * aggregation: "utils_vl_lookup": A race when creating user objects has been fixed. Thanks to Sebastian Harl. #535 * cpu: Temperature code for Mac OS X has been removed. Thanks to Florian Forster and Marc Fournier. #22 * cURL, cURL-JSON, cURL-XML and Write HTTP plugins: Call "curl_global_init()" in the plugins' "init()" callback. Thanks to Jeremy Katz. * cURL and memcachec plugins: Fix calculation of gauge, average, minimum and maximum. Previously, they were calculated from the start of the daemon, which is not the documented behavior. Thanks to Florian Forster. #663 * curl-json: A bug, which triggered when two URLs with a long common prefix were configured, was fixed. Thanks to Marc Fournier. #582 * dbi: Compatibility with new versions of libdbi has been restored. Thanks to Florian Forster. #950 * Exec, UnixSock plugins: Fix parsing of the "time" option of the "PUTNOTIF" command. Thanks to Adrian Miron. #477 * ipmi: A conflict with the java over the "SIGUSR2" signal has been fixed. Thanks to Vincent Bernat. #114 * java: Conversion from Java's time representation to collectd's representation has been fixed. Thanks to Manuel Luis Sanmartín Rozada. * java: Make sure "cjni_thread_detach()" is called on all paths. Thanks to Florian Forster. * LogFile and SysLog plugins: Avoid total silence in case of a misconfiguration. Thanks to Marc Fournier and Wilfried Goesgens. * network: Support for recent versions of gcrypt has been added. Thanks to Vincent Bernat. #632 * network: Robustness of the client connecting behavior has been improved. Thanks to Florian Forster. #627 * python: Don't create empty "meta_data_t" objects. Thanks to Florian Forster. #716 * python: Fix Py list length check in "cpy_build_meta()". Thanks to Yoga Ramalingam. * python: The "interval" member was fixed to export seconds as a double. Thanks to Justin Burnham. * RRDtool and RRDCacheD plugins: A memory leak when creating RRD files has been fixed. Thanks to Yves Mettier. #661 * snmp: Fix a memory leak. Thanks to Marc Fournier and Pierre-Yves Ritschard. #610, #804 * statsd: Support for samplerates in timer metrics was added. Thanks to John Leach. #461 * swap: Fix behavior under OpenVZ by making "cached" optional. Thanks to Florian Forster. #733 * threshold: Population of the "time" field in notifications has been added. Thanks to Manuel Luis Sanmartín Rozada. * libvirt: Only gather stats for running domains. Thanks to Ruben Kerkhof. * lvm: An issue with Volume Groups (VGs) without Logical Volumes (LVs) has been fixed. Thanks to Jan Kundrát. * write_graphite: Escape characters not supported by Graphite. Thanks to Pierre-Yves Ritschard and Marc Fournier. * write_http: Make callback names context-dependent. Thanks to Marc Fournier. #821 * write_redis: A formatting bug, which resulted in totally unusable numbers being transmitted to Redis, was fixed. Thanks to Marc Fournier. * write_riemann: Receive acknowledge message when using TCP. Thanks to John-John Tedro. 2014-01-26, Version 5.4.1 * amqp plugin: Add support for RabbitMQ 0.4.x to avoid compiler warnings. Thanks to Sebastian Harl for implementing this. * apache / network plugins: Improved initialization order hopefully resolved gcrypt initialization problems. * aquaero plugin: The type used to submit fan utilization was fixed. Thanks to Alex Deymo for the patch. * cgroups plugin: A small memory leak was fixed. Checking the existence of a mount option without a value was fixed. More permissive parsing of the cpuacct.stats file fixes support for some versions of Linux. Thanks to Marc Fournier for bug reports and patches. * curl plugin: Fix <Match> blocks without an instance. Thanks to Alexander Golovko for reporting and Sebastian Harl for fixing this. * curl_json plugin: Potentially invalid memory access has been sanitized. Thanks to Jim Radford for his patch. * interface plugin: Fix behavior under FreeBSD 10: Reporting of per-address statistics caused duplicate updates to the same metric. Thanks to demon / @trtrmitya for the patch. * write_graphite plugin: Use TCP to connect to Graphite by default. The default changed from TCP to UDP between 5.3.1 and 5.4.0, which is a regression. Thanks to Marc Fournier for fixing this. Reconnect behavior was improved. Thanks to Michael Hart for his patch. * zfs_arc plugin: Collect "allocated" and "stolen" on FreeBSD only. 2013-08-18, Version 5.4.0 * collectd: The "LoadPlugin" config option no longer attempts to load plugins twice. If more than one "LoadPlugin" statement or block is encountered, only the first will have any effect. * collectd: The "AutoLoadPlugin" option allows to automatically load plugins for which a configuration is found. * collectd: The "WriteQueueLimitHigh" and "WriteQueueLimitLow" options allow collectd to drop values when under stress, to avoid running out of memory. Thanks to Yves Mettier for his patch. * amqp plugin: The "GraphiteSeparateInstances" and "GraphiteAlwaysAppendDS" options have been added. Thanks to Laurent for the patch. * aquaero plugin: This new plugin reads various metrics, e.g. fan speeds and temperatures, from Aquaero 5, a fan and water cooling control panel. Thanks to Alex Deymo for his patch. * curl plugin: The "MeasureResponseCode" option has been added. Thanks to Jan Matějka for his patch. * curl_json plugin: Support for UNIX domain sockets and array wildcards has been added. Thanks to Jim Radford for his patch. * curl_xml plugin: Support for long URLs has been improved. * cgroups plugin: This new plugin collects CPU accounting information for processes in a cgroup. Thanks to Michael Stapelberg for his patch. * df plugin: The "ValuesAbsolute" and "ValuesPercentage" options have been added. Thanks to Vedran Bartonicek for the patch. * exec plugin: Do UID / GID lookups before forking. This should prevent a race condition in the NSS library. Thanks to Ceri Storey for the patch. * lvm plugin: This new plugin collects size information from Linux' Logical Volume Manager (LVM). Thanks to Chad Malfait for his work. * memcached plugin: Support for increment and decrement counts has been added. Thanks to Blake Matheny for the patch. * mic plugin: This new plugin collects CPU and memory usage, power consumption and temperatures of Intel's Many-Integrated-Core (MIC) architecture, such as Xeon Phi cards. Thanks to Evan Felix for his work. * netlink plugin: This plugin has been converted to use the supported "libmnl" library. Thanks to Andreas Henriksson for his patch. * nginx plugin: Collection of accepted and handled connections has been added. Thanks to Patrick Shan for his patch. * sigrok plugin: This new plugin collects metrics from sigrok, a signal processing framework reading various hardware devices, from light meters to spectrum analyzers. Thanks to Bert Vermeulen for his patch. * statsd plugin: This new plugin listens to a UDP socket and reads metrics in the StatsD format. * varnish plugin: Many additional metrics have been added. Thanks to Nick Stenning for his patch. * write_graphite plugin: Support for "UDP" has been added. Thanks to Javier Maestro for his patch. * write_riemann plugin: The "TTLFactor" option has been added. * zfs_arc plugin: Support for FreeBSD has been added. Thanks to Xin Li for his patch. 2015-02-26, Version 5.3.2 * Build system: Numerous fixes. Thanks to Bjørn Nordbø, Jim Radford, KOMEDA Shinji, Lauri Tirkkonen, Manuel Luis Sanmartin Rozada, Marc Fournier, Rainer Müller, Yoga Ramalingam and Yves Mettier. #326, #373, #653, #828 * collectd: A use-after-free has been fixed in the "parse_value()" function. Thanks to Matthias Urlichs. * collectd: Fix carriage return sign in types_list Thanks to Marc Fournier and @NsLib. * collectd: Fix programming error in src/configfile.c Thanks to Wilfried Goesgens. * collectd: An off-by-one error has been fixed in the "strstripnewline()" function. Patch by Florian Forster. * collectd: Use the complain mechanism to report filter chain write failures. Thanks to Sebastian Harl. * collectd: Spelling and grammar of error messages have been fixed. Thanks to Katelyn Perry and Tim Laszlo. * collectdctl: Fixed buffering issues which caused trouble on AIX and Solaris. Thanks to Yoga Ramalingam. * Documentation: Details and example about multi-instance filterchain targets have been added. Thanks to Marc Fournier. * Documentation: The "CollectStatistics" option of the rrdcached has been documented. Thanks to Micha Krause. #907 * Documentation: The write_redis has been documented. Thanks to Marc Fournier. * Documentation: The synopsis of the threshold has been fixed. Thanks to Fabien Wernli. * Documentation: The "GraphiteSeparateInstances" and "GraphiteAlwaysAppendDS" options of the amqp have been documented. Thanks to Marc Fournier. * aggregation: "utils_vl_lookup": A race when creating user objects has been fixed. Thanks to Sebastian Harl. #535 * cpu: Temperature code for Mac OS X has been removed. Thanks to Florian Forster and Marc Fournier. #22 * csv: A regression which would lead to the "DataDir" option to be ignored has been fixed. Thanks to Manuel Luis Sanmartin Rozada. * curl, curl-json, curl-xml and write_http plugins: Call "curl_global_init()" in the plugins' "init()" callback. Thanks to Jeremy Katz. * curl and memcachec plugins: Fix calculation of gauge, average, minimum and maximum. Previously, they were calculated from the start of the daemon, which is not the documented behavior. Thanks to Florian Forster. #663 * dbi plugin: Compatibility with new versions of libdbi has been restored. Thanks to Florian Forster. #950 * exec, unixsock plugins: Fix parsing of the "time" option of the "PUTNOTIF" command. Thanks to Adrian Miron. #477 * java: Conversion from Java's time representation to collectd's representation has been fixed. Thanks to Manuel Luis Sanmartín Rozada. * ipmi: A conflict with the java over the "SIGUSR2" signal has been fixed. Thanks to Vincent Bernat. #114 * java: Make sure "cjni_thread_detach()" is called on all paths. Thanks to Florian Forster. * logfile and syslog plugins: Avoid total silence in case of a misconfiguration. Thanks to Marc Fournier and Wilfried Goesgens. * memcached: Connecting to a UNIX socket has been fixed. Thanks to Jim Radford. * network: Support for recent versions of gcrypt has been added. Thanks to Vincent Bernat. #632 * network: Robustness of the client connecting behavior has been improved. Thanks to Florian Forster. #627 * python: Don't create empty "meta_data_t" objects. Thanks to Florian Forster. #716 * python: Fix Py list length check in "cpy_build_meta()". Thanks to Yoga Ramalingam. * python: The "interval" member was fixed to export seconds as a double. Thanks to Justin Burnham. * replace and set targets: Fix error message. Thanks to Marc Fournier. #448 * rrdtool and rrdcached plugins: Honor the "DataDir" config option; this fixes a regression. Thanks to Florian Forster. #380 * rrdtool and rrdcached plugins: A memory leak when creating RRD files has been fixed. Thanks to Yves Mettier. #661 * snmp: Fix a memory leak. Thanks to Marc Fournier and Pierre-Yves Ritschard. #610, #804 * swap: Fix behavior under OpenVZ by making "cached" optional. Thanks to Florian Forster. #733 * threshold: Population of the "time" field in notifications has been added. Thanks to Manuel Luis Sanmartín Rozada. * libvirt: Only gather stats for running domains. Thanks to Ruben Kerkhof. * write_graphite: Escape characters not supported by Graphite. Thanks to Pierre-Yves Ritschard and Marc Fournier. * write_http: Make callback names context-dependent. Thanks to Marc Fournier. #821 * write_riemann: Receive acknowledge message when using TCP. Thanks to John-John Tedro. 2013-07-13, Version 5.3.1 * Documentation: Various fixes. * Configuration: Fix error handling: Errors in included files were ignored, causing configuration mistakes to go unnoticed. * dns plugin: Don't abort when PCAP returns an error. * modbus plugin: The reconnection strategy was improved, fixing a segfault in the libmodbud library. Thanks to Stefan Nickl and Fabien Wernli for their patches. * mysql plugin: The notification about a newly running MySQL slave thread has been fixed. Thanks to Joaquín Cuenca Abela for the patch. * snmp plugin: A build issue has been fixed (C99 mixed declaration). The end-of-tree check has been improved by Pierre-Yves Ritschard. * threshold plugin: Handling of the "Interesting" configuration option has been fixed. Thanks to Björn for the patch. * write_riemann plugin: A memory leak has been fixed. Thanks to Dave Cottlehuber for reporting it. 2013-04-09, Version 5.3.0 * collectd: The "Include" statements can now be limited to include only matching files in a directory. Thanks to Sebastian Harl for his patch. * collectd: Dispatches / writes are now handled by a thread pool. This improves reliability and throughput for instances configured to act as a "server". Thanks to Sebastian Harl and Dan Fandrich for reviewing this change and fixing bugs. * aggregation plugin: Selection of value lists is now possible using regular expressions. Parts of the identifier of the resulting metric can now be set via the configuration file. * apcups plugin: The "ReportSeconds" option has been implemented. * curl* plugins: Support for POST requests and custom request headers has been added. Thanks to Dan Fandrich for his patch. * curl_xml plugin: Support for XML namespaces has been added. Thanks to Dan Fandrich for his patch. * dbi plugin: Support for numeric options has been added. The "Host" option has been added. Thanks to Daniel Hilst for his patch. * disk plugin: Support for systems with >256 has been fixed. Thanks to Greg Mason for his patch. * libvirt plugin: Support for memory allocation has been added. Thanks to Johan Wirén for his patch. * netapp plugin: Support for "SnapVault", "VFiler" and deduplication / compression and quota metrics. Thanks to Sebastian Harl for his patches and teamix GmbH for sponsoring this work. * postgresql plugin: The reconnection logic has been improved. Thanks to Sebastian Harl for his patches. * rrdtool, rrdcached plugins: The "CreateFilesAsync" option has been implemented. When enabled, new RRD files will be created asynchronously, which improved throughput of "server" instances. Many thanks to Yves Mettier for all his input and code. * tail_csv plugin: This new plugins allows to read metrics from CSV files, such as Snort's statistics file. Thanks to Kris Nielander for his patch. * write_mongodb plugin: Authentication options have been added. * write_riemann plugin: This new plugin allows sending metrics to Riemann, a stream processing and alerting tool. Big thanks to Pierre-Yves Ritschard for his work. 2013-04-08, Version 5.2.2 * Build system: A bad interaction between the Java detection code and libltdl has been fixed. Thanks to Dave Cottlehuber for his patch. Installation of the Perl bindings has been improved / fixed. Thanks to Sebastian Harl for his patch. * collectd: Fixed read callback scheduling at startup. * apache, ascent, bind, curl, curl_json, curl_xml, nginx and write_http plugins: Portability fixes, protection from infinite redirect loops, improved error handling and incorrect dereferences have been fixed. Most of these are related to the cURL library. Thanks to Dan Fandrich for his patches. * logfile plugin: Flush the output file handle. This works around caching when logging to STDOUT and redirecting into a file. Thanks to Nathan Huff for the patch. * mysql plugin: Fix a memory leak in the error handling. Thanks to Tomas Doran for his patch. * netapp plugin: Fix the interval with which values are dispatched. * network plugin: Build issues under FreeBSD and initialization have been fixed. Thanks to Ed Schouten for his patch. * nfs plugin: A compilation problem has been fixed. * notify_email plugin: Add a character set to the mail header. Thanks to Manuel Cissé for his patch. * pf plugin: Build issues have been fixed. * postgresql plugin: Build issues have been fixed. * rrdcached plugin: Connect to the daemon from the read callback. * snmp plugin: Matching of SNMP subtrees has been improved. Thanks to "jkrabbe" for the patch. * thermal plugin: The initialization of dispatched value lists has been fixed. Thanks to Markus Knetschke for his patch. * unixsock plugin: Parsing of options with an underscore, e.g. "plugin_instance" has been fixed. Thanks to Tommie Gannert for his patch. 2013-01-27, Version 5.2.1 * Build system: "make distcheck" has been fixed. Build fixes Solaris and systems without gcrypt. Thanks to Yves Mettier for his patches. * collectd: The complaint mechanism was fixed. It reported messages more frequently than intended. * collectd-tg: A manual page has been added. * dns plugin: Build issues on FreeBSD have been fixed. Thanks to Ed Schouten for his patch. * ethstat plugin: Fix the "Map" config option. An incorrectly used character pointer may lead to a segmentation fault. * network plugin: Build issues on FreeBSD have been fixed. Thanks to Ed Schouten for his patch. * postgresql plugin: A memory leak in the writing code has been fixed. A use-after-free issue that happened when more than one database was configured was fixed. Thanks to Sebastian Harl for fixing these problems. * redis plugin: A build failure has been fixed. Thanks to Pierre-Yves Ritschard for his patch. * varnish plugin: Fix a problem with instances without name. * write_graphite plugin: A regression which rendered the "SeparateInstances" and "AlwaysAppendDS" options unusable has been fixed. A failed assertion when using types with many data sources has been fixed. Improve reporting of connection errors to not spam log files too much. Thanks to Pierre-Yves Ritschard for reporting the logging problem. * zfs_arc plugin: Fix the type used for mutex misses. Thanks to Yves Mettier for reporting this bug. 2012-11-17, Version 5.2.0 * collectd: The performance of the LISTVAL command has been improved. Thanks to Yves Mettier for the patch. * collectd: The possibility to configure the collection interval on a per-plugin basis has been added. Huge thanks to Sebastian Harl for his work. * collectd-tg: This new binary allows to generate random but real looking collectd network traffic. This can be used to load-test new plugin, for example. * libcollectdclient: Code for constructing and sending network packets in the binary format has been added. * aggregation plugin: This new plugin allows to aggregate multiple value lists into one. * amqp and write_http plugins: Meta data is now included in the JSON output format. Thanks to Mark Wong for the patch. * amqp plugin: Support for "Graphite" output has been added. Thanks to Thomas Meson for the patch. * contextswitch plugin: Support for AIX has been added. Thanks to Manuel Rozada for his patch. * disk plugin: The "UseBSDName" config option has been added to the Mac OS X version. * GenericJMX plugin: Automatically determine the host name if it isn't configured. * libvirt plugin: The "number" interface format has been added. Thanks to "Davide Guerri" for the patch. * memcached plugin: Support for multiple connections has been added. Thanks to Nicolas Szalay for the patch. * ntpd plugin: The "IncludeUnitID" config option has been added. The behavior when a peer is unreachable has been improved. Thanks to Johan Kiviniemi for the patches. * oracle plugin: The "Host" config option has been added. * pf plugin: This new plugin allows to collect statistics from BSD's packet filter "pf". Thanks to Pierre-Yves Ritschard and Stefan Rinkes for their work. * postgresql plugin: The "Instance" config option has been added. Support for writing values to a PostgreSQL database has been added. Thanks to Sebastian Harl for the patches. * processes plugin: Support for Solaris has been added. Thanks to Cosmin Ioiart for the patch. * redis plugin: Support for authenticating via password has been added. Thanks to biancalana for the patch. * rrdcached plugin: The "HeartBeat", "RRARows", "RRATimespan", "StepSize" and "XFF" config options have been added. * swap plugin: The "ReportBytes" config option has been added. The AIX version now also exports "reserved" pages and swap-in / swap-out "traffic". Thanks to Manuel Rozada for the patch. * tcpconns plugin: Use a netlink socket rather than reading from /proc for improved performance. Thanks to Michael Stapelberg for the patch. 2013-04-08, Version 5.1.3 * Build system: A bad interaction between the Java detection code and libltdl has been fixed. Thanks to Dave Cottlehuber for his patch. * collectd: Fixed read callback scheduling at startup. * apache, ascent, bind, curl, curl_json, curl_xml, nginx and write_http plugins: Portability fixes, protection from infinite redirect loops, improved error handling and incorrect dereferences have been fixed. Most of these are related to the cURL library. Thanks to Dan Fandrich for his patches. * logfile plugin: Flush the output file handle. This works around caching when logging to STDOUT and redirecting into a file. Thanks to Nathan Huff for the patch. * mysql plugin: Fix a memory leak in the error handling. Thanks to Tomas Doran for his patch. * netapp plugin: Fix the interval with which values are dispatched. * network plugin: Build issues under FreeBSD and initialization have been fixed. Thanks to Ed Schouten for his patch. * nfs plugin: A compilation problem has been fixed. * notify_email plugin: Add a character set to the mail header. Thanks to Manuel Cissé for his patch. * rrdcached plugin: Connect to the daemon from the read callback. * snmp plugin: Matching of SNMP subtrees has been improved. Thanks to "jkrabbe" for the patch. * thermal plugin: The initialization of dispatched value lists has been fixed. Thanks to Markus Knetschke for his patch. * unixsock plugin: Parsing of options with an underscore, e.g. "plugin_instance" has been fixed. Thanks to Tommie Gannert for his patch. 2013-01-25, Version 5.1.2 * Build system: "make distcheck" has been fixed. Thanks to Yves Mettier for his patches. * collectd: The complaint mechanism was fixed. It reported messages more frequently than intended. * dns plugin: Build issues on FreeBSD have been fixed. Thanks to Ed Schouten for his patch. * ethstat plugin: Fix the "Map" config option. An incorrectly used character pointer may lead to a segmentation fault. * network plugin: Build issues on FreeBSD have been fixed. Thanks to Ed Schouten for his patch. * varnish plugin: Fix a problem with instances without name. * write_graphite: Improve reporting of connection errors to not spam log files too much. Thanks to Pierre-Yves Ritschard for reporting this problem. * zfs_arc plugin: Fix the type used for mutex misses. Thanks to Yves Mettier for reporting this bug. 2012-11-11, Version 5.1.1 * collectd: Create new directories with mode 0777 and let umask remove unwanted permission bits. * collectd: Build issues have been fixed. * collectd: An incorrect assertion has been fixed in some common code for Solaris. This should resolve pseudo-random assertion failures under Solaris. Thanks to Jeff Blane for his help debugging this. * collectd: A couple of memory leaks through PThread thread attributes have been fixed. Thanks to Gerrie Roos for fixing these. * collectdctl: Fix PUTVAL for data sets with multiple data sources. Thanks to Cyril Feraudet for reporting this problem. * contrib/migrate-4-5.px: Handle to "df" to "df_complex" conversion correctly. * apcups plugin: Improve the reconnect behavior. * curl_xml plugin: The "Host" setting was silently ignored. Thanks to Fabien Wernli for fixing this. * df plugin: Ignore "rootfs" devices under Linux to avoid having them reported twice. Thanks to Brune Prémont for fixing this. * disk plugin: Fix incorrect computation of read and write latency (the "disk_time" type). Previously, the numbers reported where too small by a factor of "interval", e.g. when the interval is set to 10 seconds, the values were too low by a factor of 10. Thanks to Manuel Sanmartin for reporting this problem. * dns plugin: A build issue under Solaris has been fixed. A erroneous define that could lead to the reporting of bad data has been fixed by Daniel Sutto. * ethstat plugin: An off-by-one error and potential use of uninitialized memory has been fixed. Thanks to Mark Voelker for reporting these problems. * memcachec plugin: A bug in the configuration handling has been fixed. Thanks to Pascal Hofmann for fixing this issue. * mysql plugin: Fix a bug when registering multiple databases. Thanks to Sebastian Harl for fixing this. * netapp plugin: Correctly close the connection on communication errors. * netlink plugin: The function used to query statistics has been changed to be more in line with iproute2's behavior. Thanks to "KIvosak" for the patch. * network plugin: Initialization of libgcrypt has been fixed. Thanks to Chris Lundquist for his patch. * oracle plugin: Error messages have been improved. * ping plugin: Don't enter the exponential back-off mode when ping_send() fails. This should make recovery after a network failure much faster. * python plugin: Memory leaks have been fixed. Thanks to Tommie Gannert and Sven Trenkel for fixing this. * redis plugin: Fix a compilation problem on FreeBSD. Thanks to "biancalana" for the fix. * rrdtool plugin: Fix an out-of-bounds array access when printing a warning message. Thanks to Will Hawkins for fixing this bug. * snmp plugin: Support for the SNMP_ENDOFMIBVIEW return value has been added. Support for more complex / unusual MIBs / subtrees has been added. Thanks to Mark Juric to test the changes and point out these problems. * varnish plugin: Support for multiple instances of Varnish 3 has been fixed. Thanks to Jonathan Huot for the patch. * write_mongodb plugin: Add compatibility with libmongo 0.6.0 and later. Thanks to Chris Lundquist for this patch. 2012-04-01, Version 5.1.0 * Build system, iptables plugin: The shipped version of libiptc has been removed. * collectd-nagios: A list of value lists can now be queried using "-n LIST". Thanks to Sebastian Harl for his patches. * bind plugin: The "ParseTime" option has been added. It allows to use the system time rather than the time reported by BIND. * curl, memcachec, tail plugins: The "ExcludeRegexp" option has been added. Thanks to Peter Warasin for his initial patch. * ethstat plugin: The new "ethstat" plugin reads performance statistics directly from ethernet cards. Thanks to Cyril Feraudet for his patch. * GenericJMX plugin: Support for querying MBean "Operations" (in addition to "Attributes") has been added. Thanks to Pierre-Yves Ritschard for his patch. * irq plugin: The selection / ignore code now uses the default ignorelist infrastructure, providing the standard feature set, e.g. regex matching. * md plugin: The new "md" plugin reports the number of disks in various states in Linux software RAID devices. Thanks to Michael Hanselmann for his patch. * modbus plugin: Support for signed integer register types has been added. * nfs plugin: Support for Solaris has been added. Thanks to Cosmin Ioiart for his patch. * numa plugin: The new "numa" plugin reports statistics of the Non-Uniform Memory Access (NUMA) subsystem of Linux. * processes plugin: Various fixes for the FreeBSD implementation. Thanks to Phil Kulin for his patch. * rrdcached plugin: Passing flushes to the caching daemon has been added. * sensors plugin: The initialization code has been improved. Thanks to Henrique de Moraes Holschuh for his patch. * swap plugin: The "ReportByDevice" option has been added. * syslog plugin: Support for writing notifications has been added. Thanks to Fabien Wernli for his patch. * tcpconns plugin: Support for AIX has been added. Thanks to Manuel Luis Sanmartín Rozada for his patch. * threshold plugin: The "PersistOK" option has been added. Thanks to Aaron Brady for his patch. * varnish plugin: Support for Varnish 3.0 has been added. Thanks to Jérôme Renard for his patches. * write_mongodb plugin: The new "write_mongodb" plugin writes value lists to MongoDB, a shema-less database. Thanks to Akkarit Sangpetch and Chris Lundquist for their work. * write_graphite plugin: The new "write_graphite" plugin writes value lists to Carbon, the storage layer of the Graphite time-series database. Thanks to Scott Sanders and Pierre-Yves Ritschard for their work. * zfs_arc plugin: Several new statistics have been added. Thanks to Aurelien Rougemont for his patches. * scale target: Support for scaling specific data sources only has been added. Thanks to Gerrie Roos for his patch. 2012-11-11, Version 5.0.5 * collectd: Create new directories with mode 0777 and let umask remove unwanted permission bits. * collectd: Build issues have been fixed. * collectd: An incorrect assertion has been fixed in some common code for Solaris. This should resolve pseudo-random assertion failures under Solaris. Thanks to Jeff Blane for his help debugging this. * collectd: A couple of memory leaks through PThread thread attributes have been fixed. Thanks to Gerrie Roos for fixing these. * collectdctl: Fix PUTVAL for data sets with multiple data sources. Thanks to Cyril Feraudet for reporting this problem. * contrib/migrate-4-5.px: Handle to "df" to "df_complex" conversion correctly. * apcups plugin: Improve the reconnect behavior. * curl_xml plugin: The "Host" setting was silently ignored. Thanks to Fabien Wernli for fixing this. * df plugin: Ignore "rootfs" devices under Linux to avoid having them reported twice. Thanks to Brune Prémont for fixing this. * disk plugin: Fix incorrect computation of read and write latency (the "disk_time" type). Previously, the numbers reported where too small by a factor of "interval", e.g. when the interval is set to 10 seconds, the values were too low by a factor of 10. Thanks to Manuel Sanmartin for reporting this problem. * dns plugin: A build issue under Solaris has been fixed. A erroneous define that could lead to the reporting of bad data has been fixed by Daniel Sutto. * memcachec plugin: A bug in the configuration handling has been fixed. Thanks to Pascal Hofmann for fixing this issue. * mysql plugin: Fix a bug when registering multiple databases. Thanks to Sebastian Harl for fixing this. * netapp plugin: Correctly close the connection on communication errors. * netlink plugin: The function used to query statistics has been changed to be more in line with iproute2's behavior. Thanks to "KIvosak" for the patch. * network plugin: Initialization of libgcrypt has been fixed. Thanks to Chris Lundquist for his patch. * oracle plugin: Error messages have been improved. * ping plugin: Don't enter the exponential back-off mode when ping_send() fails. This should make recovery after a network failure much faster. * python plugin: Memory leaks have been fixed. Thanks to Tommie Gannert and Sven Trenkel for fixing this. * redis plugin: Fix a compilation problem on FreeBSD. Thanks to "biancalana" for the fix. * rrdtool plugin: Fix an out-of-bounds array access when printing a warning message. Thanks to Will Hawkins for fixing this bug. * snmp plugin: Support for the SNMP_ENDOFMIBVIEW return value has been added. Support for more complex / unusual MIBs / subtrees has been added. Thanks to Mark Juric to test the changes and point out these problems. 2012-04-01, Version 5.0.4 * Build system: Fix the use of a libltdl macro. Thanks to Clemens Lang for fixing this. Adresses some issues with building the iptables plugin under Gentoo. * libcollectdclient: A memory leak in the lcc_getval() function has been fixed. Thanks to Jason Schmidlapp for finding and fixing this issue. * bind plugin: The use of 'QType" types has been fixed. * df plugin: Fixed compiler issue under Mac OS X 10.7. * conntrack plugin: Support zero as legitimate value. Thanks to Louis Opter for his patch. * memcached plugin: Increased the size of a static buffer, which was truncating status messages form memcached. Thanks to Timon for the patch. * network plugin: Forwarding of notifications has been disabled. This was a contition not checked for before, which may retult in an endless loop. * processes plugin: Support for process names with spaces has been added to the Linux implementation. Thanks to Darrell Bishop for his patch. * perl plugin: A race condition in several callbacks, including log and write callbacks, has been fixed. Thanks to "Rrpv" for reporting this bug. * snmp plugin: A bug when casting unsigned integers to gauge values has been fixed: Unsigned integers would be cast to a signed integer and then to a gauge, possibly resulting in a negative value. * tcpconns plugin: Compilation with newer versions of the FreeBSD runtime has been fixed. 2012-02-19, Version 5.0.3 * Build system: Fix problems when building the ipvs and iptables plugins. Thanks to Sebastian Harl for his patch. A bashism in the version-gen.sh script has been fixed. Thanks to Jo-Philipp Wich for his patch. * csv and rrdtool plugins: Print a more helpful error message when the DataDir is a symlink pointing to a non-existing location. Thanks to Jonathan Nieder for his patch. * exec plugin: Fix a problem when using select(2) to read from file handles. Thanks to Gerrie Roos for his patch. * network plugin: An incorrect error message in the handling of the "Interface" configuration option has been fixed. Thanks to Gerrie Roos for his patch. * oracle plugin: A potential endless loop in the error handling has been fixed. * python plugin: A crash bug in the configuration handling has been fixed. Thanks to Sven Trenkel for his patch. * interfaces plugin: The change which was supposed to ignore "bogus" interfaces has been reverted, since it ignored legit interfaces, such as bonding pseudo-devices as well. 2012-01-21, Version 5.0.2 * curl_xml plugin: Fix handling of file:// and other URLs (which don't follow HTTP status codes). Thanks to Fabien Wernli for his patch! * df plugin: Fix handling of negative "available" counts. This can occur with some file systems, for example UFS. Thanks to Toni Ylenius for his patch. * interface plugin: "mac" interfaces are now ignored on Solaris. These pseudo-interfaces occur multiple times, causing warnings. Also switch to 64-bit counters on Solaris, improving overflow behavior for high-speed interfaces. Thanks to Eddy Geez and Fabien Wernli for their patches. * memory plugin: Account kernel and unused memory under Solaris. Thanks to Fabien Wernli for his patch. * network plugin: A bug in the interaction between the Network plugin and filter chains has been fixed: When a filter modified a field such as the hostname, subsequent values in the same network packets could have ended up using the modified name rather than the original name. Thanks to Sebastian Harl for identifying the problem. * oracle plugin: A memory leak has been fixed in the parameter handling. * python plugin: A memory leak has been fixed. Thanks to Sven Trenkel for fixing this bug! 2011-10-07, Version 5.0.1 * collectd: A mutex leak has been fixed in the meta data code. Thanks to Rafal Lesniak for his patch. * collectd: Compatibility fixes for GCC 4.6 have been applied. Thanks to Peter Green for his patch. * csv plugin: The line buffer size has been increased. Thanks to Colin McCabe for the patch. * curl_json plugin: Don't use the "parent" node to build the type instance, if it is empty. Compatibility with libyajl 2 has been added. Thanks to "spupykin" of the Arch Linux project for the initial code. Formatting of time has been fixed in the JSON module. * exec plugin: Fix the timestamp value passed to notification scripts. Thanks to Alexander Kovalenko for fixing this. * iptables plugin: Fix linking with some versions of libiptc. * irq plugin: Fix support for interrupts under Linux. The old code assumed that interrupts have a numeric value -- this is no longer true for Linux. Thanks to Bostjan Skufca for implementing this. * notify_desktop plugin: Compatibility with libnotify 0.7 has been added. Thanks to Samuli Suominen for his patch. * processes plugin: Fix handling of regular expressions containing spaces. Thanks for Sebastian Harl for fixing this. * rrdtool, rrdcached plugins: Improve precision of the XFF parameter. Previously, values like 0.999 would have been rounded to 1.0. Thanks to Francois-Xavier Bourlet for fixing this. * varnish plugin: Fix data type handling of some metrics. Some values were submitted as gauge even though they were derives. * Various plugin: Set a multi-threading flag in libcurl. Thanks to Mike Flisher for the fix. 2011-03-28, Version 5.0.0 * collectd: The "FQDNLookup" option is now enabled by default. * collectd: The internal representation of time has been changed to allow a higher accuracy than one second. * collectdcmd: This new command line utility can send various commands to collectd using the UnixSock plugin. Thanks to Håkon Dugstad Johnsen and Sebastian Harl for their code. * collectd-nagios: The "-m" option has been implemented (treat NaNs as critical). * collectd-tg: Traffic generator creating bogus network traffic compatible to the Network plugin. This utility can be used to stress-test new write plugins and collectd in general. * libcollectdclient: Creating and sending network packets has been added to the collectd client library. * All data sets: The data source name of all data sets with exactly one data source has been changed to "value". * All plugins: All "counter" data sources have been converted to "derive" data sources. All plugins now use "derive" by default, but plugins such as the network plugin can still handle "counter", of course. The minimum value of all derive data sources is zero, the maximum value is unspecified. * amqp plugin: The new AMQP plugin can send data to and receive data from an AMQP broker. Thanks to Sebastien Pahl for his code. * apache plugin: Backwards compatibility code has been removed. Support for the IBM HTTP Server has been added. Thanks to Manuel Luis Sanmartín Rozada for his patch. * contextswitch plugin: Support for sysctlbyname(3) has been added. Thanks to Kimo Rosenbaum for his patch. * df plugin: The default behavior has been changed to be equivalent to the "ReportReserved" behavior of v4. * dns plugin: Improved RFC 1035 name parsing has been imported from "dnstop". * exec plugin: Backwards compatibility code has been removed. * GenericJMX plugin: The "InstancePrefix" option has been added to "Connection" blocks. * hddtemp plugin: The "TranslateDevicename" config option has been removed. * interface plugin: Use the "plugin instance" to store the interface value. * libvirt plugin: The "InterfaceFormat" option has been added. Thanks to Ruben Kerkhof for his patch. * lpar plugin: New plugins for "logical partitions", a virtualization technique of POWER CPUs. Thanks to Aurélien Reynaud for his code and patience. * modbus plugin: Support for libmodbus 2.9.2 has been added and the license has been changed to LGPLv2.1. * mysql plugin: Backwards compatibility code has been removed. The data sets used have been improved. * network plugin: The default buffer size has been increased to 1452 bytes. * perl plugin: Backwards compatibility code has been removed. * postgresql plugin: Backwards compatibility code has been removed. * redis plugin: Plugin for collecting statistics from Redis, a key- value store, has been added. Thanks to Andres J. Diaz for his code. * swap plugin: Implement collection of physical and virtual memory statistics under Solaris. The new default is collecting physical memory. Thanks to Aurélien Reynaud for his patches. * threshold plugin: The threshold configuration has been moved into this separate plugin. * unixsock plugin: The "DeleteSocket" option has been added. * varnish plugin: The new Varnish plugin reads statistics from Varnish, a web accelerator. Thanks to Jérôme Renard and Marc Fournier for their contributions. * write_redis: New plugin for writing data to Redis, a key-value store. * zfs_arc plugin: The data sets have been replaced by more elegant alternatives. * v5upgrade target: Target for converting v4 data sets to the v5 schema. 2013-04-07, Version 4.10.9 * Build system: A bad interaction between the Java detection code and libltdl has been fixed. Thanks to Dave Cottlehuber for his patch. * apache, ascent, bind, curl, curl_json, curl_xml, nginx and write_http plugins: Portability fixes, protection from infinite redirect loops, improved error handling and incorrect dereferences have been fixed. Most of these are related to the cURL library. Thanks to Dan Fandrich for his patches. * logfile plugin: Flush the output file handle. This works around caching when logging to STDOUT and redirecting into a file. Thanks to Nathan Huff for the patch. * network plugin: Build issues under FreeBSD and initialization have been fixed. Thanks to Ed Schouten for his patch. * mysql plugin: Fix a memory leak in the error handling. Thanks to Tomas Doran for his patch. * thermal plugin: The initialization of dispatched value lists has been fixed. Thanks to Markus Knetschke for his patch. * unixsock plugin: Parsing of options with an underscore, e.g. "plugin_instance" has been fixed. Thanks to Tommie Gannert for his patch. 2012-11-11, Version 4.10.8 * collectd: Create new directories with mode 0777 and let umask remove unwanted permission bits. * collectd: Build issues have been fixed. * collectd: An incorrect assertion has been fixed in some common code for Solaris. This should resolve pseudo-random assertion failures under Solaris. Thanks to Jeff Blane for his help debugging this. * collectd: A couple of memory leaks through PThread thread attributes have been fixed. Thanks to Gerrie Roos for fixing these. * apcups plugin: Improve the reconnect behavior. * df plugin: Ignore "rootfs" devices under Linux to avoid having them reported twice. Thanks to Brune Prémont for fixing this. * disk plugin: Fix incorrect computation of read and write latency (the "disk_time" type). Previously, the numbers reported where too small by a factor of "interval", e.g. when the interval is set to 10 seconds, the values were too low by a factor of 10. Thanks to Manuel Sanmartin for reporting this problem. * dns plugin: A build issue under Solaris has been fixed. A erroneous define that could lead to the reporting of bad data has been fixed by Daniel Sutto. * memcachec plugin: A bug in the configuration handling has been fixed. Thanks to Pascal Hofmann for fixing this issue. * netapp plugin: Correctly close the connection on communication errors. * netlink plugin: The function used to query statistics has been changed to be more in line with iproute2's behavior. Thanks to "KIvosak" for the patch. * network plugin: Initialization of libgcrypt has been fixed. Thanks to Chris Lundquist for his patch. * oracle plugin: Error messages have been improved. * ping plugin: Don't enter the exponential back-off mode when ping_send() fails. This should make recovery after a network failure much faster. * python plugin: Memory leaks have been fixed. Thanks to Tommie Gannert and Sven Trenkel for fixing this. * rrdtool plugin: Fix an out-of-bounds array access when printing a warning message. Thanks to Will Hawkins for fixing this bug. * snmp plugin: Support for the SNMP_ENDOFMIBVIEW return value has been added. Support for more complex / unusual MIBs / subtrees has been added. Thanks to Mark Juric to test the changes and point out these problems. 2012-04-01, Version 4.10.7 * Build system: Fix the use of a libltdl macro. Thanks to Clemens Lang for fixing this. Adresses some issues with building the iptables plugin under Gentoo. * libcollectdclient: A memory leak in the lcc_getval() function has been fixed. Thanks to Jason Schmidlapp for finding and fixing this issue. * bind plugin: The use of 'QType" types has been fixed. * df plugin: Fixed compiler issue under Mac OS X 10.7. * conntrack plugin: Support zero as legitimate value. Thanks to Louis Opter for his patch. * memcached plugin: Increased the size of a static buffer, which was truncating status messages form memcached. Thanks to Timon for the patch. * network plugin: Forwarding of notifications has been disabled. This was a contition not checked for before, which may retult in an endless loop. * processes plugin: Support for process names with spaces has been added to the Linux implementation. Thanks to Darrell Bishop for his patch. * perl plugin: A race condition in several callbacks, including log and write callbacks, has been fixed. Thanks to "Rrpv" for reporting this bug. * snmp plugin: A bug when casting unsigned integers to gauge values has been fixed: Unsigned integers would be cast to a signed integer and then to a gauge, possibly resulting in a negative value. * tcpconns plugin: Compilation with newer versions of the FreeBSD runtime has been fixed. 2012-02-19, Version 4.10.6 * Build system: Fix problems when building the ipvs and iptables plugins. Thanks to Sebastian Harl for his patch. A bashism in the version-gen.sh script has been fixed. Thanks to Jo-Philipp Wich for his patch. * csv and rrdtool plugins: Print a more helpful error message when the DataDir is a symlink pointing to a non-existing location. Thanks to Jonathan Nieder for his patch. * exec plugin: Fix a problem when using select(2) to read from file handles. Thanks to Gerrie Roos for his patch. * network plugin: An incorrect error message in the handling of the "Interface" configuration option has been fixed. Thanks to Gerrie Roos for his patch. * oracle plugin: A potential endless loop in the error handling has been fixed. * python plugin: A crash bug in the configuration handling has been fixed. Thanks to Sven Trenkel for his patch. * interfaces plugin: The change which was supposed to ignore "bogus" interfaces has been reverted, since it ignored legit interfaces, such as bonding pseudo-devices as well. 2012-01-21, Version 4.10.5 * curl_xml plugin: Fix handling of file:// and other URLs (which don't follow HTTP status codes). Thanks to Fabien Wernli for his patch! * df plugin: Fix handling of negative "available" counts. This can occur with some file systems, for example UFS. Thanks to Toni Ylenius for his patch. * interface plugin: "mac" interfaces are now ignored on Solaris. These pseudo-interfaces occur multiple times, causing warnings. Also switch to 64-bit counters on Solaris, improving overflow behavior for high-speed interfaces. Thanks to Eddy Geez and Fabien Wernli for their patches. * memory plugin: Account kernel and unused memory under Solaris. Thanks to Fabien Wernli for his patch. * network plugin: A bug in the interaction between the Network plugin and filter chains has been fixed: When a filter modified a field such as the hostname, subsequent values in the same network packets could have ended up using the modified name rather than the original name. Thanks to Sebastian Harl for identifying the problem. * oracle plugin: A memory leak has been fixed in the parameter handling. * python plugin: A memory leak has been fixed. Thanks to Sven Trenkel for fixing this bug! 2011-10-14, Version 4.10.4 * collectd: A mutex leak has been fixed in the meta data code. Thanks to Rafal Lesniak for his patch. * collectd: Compatibility fixes for GCC 4.6 have been applied. Thanks to Peter Green for his patch. * csv plugin: The line buffer size has been increased. Thanks to Colin McCabe for the patch. * curl_json plugin: Don't use the "parent" node to build the type instance, if it is empty. Compatibility with libyajl 2 has been added. Thanks to "spupykin" of the Arch Linux project for the initial code. * iptables plugin: Fix linking with some versions of libiptc. * irq plugin: Fix support for interrupts under Linux. The old code assumed that interrupts have a numeric value -- this is no longer true for Linux. Thanks to Bostjan Skufca for implementing this. * notify_desktop plugin: Compatibility with libnotify 0.7 has been added. Thanks to Samuli Suominen for his patch. * processes plugin: Fix handling of regular expressions containing spaces. Thanks for Sebastian Harl for fixing this. * rrdtool, rrdcached plugins: Improve precision of the XFF parameter. Previously, values like 0.999 would have been rounded to 1.0. Thanks to Francois-Xavier Bourlet for fixing this. * Various plugin: Set a multi-threading flag in libcurl. Thanks to Mike Flisher for the fix. 2011-03-26, Version 4.10.3 * Documentation: Several updates and additions. Thanks to Sebastian Harl. * collectd: Build issues (compiler warnings) have been fixed. Thanks to Bruno Prémont. * collectd: Threshold subsection: Handling of NAN values in the percentage calculation has been fixed. * collectd, java plugin, ntpd plugin: Several diagnostic messages have been improved. * curl_json plugin: Handling of arrays has been fixed. * libvirt plugin: A bug in reading the virtual CPU statistics has been fixed. Thanks to “JLPC” for reporting this problem. * modbus plugin: Compatibility with libmodbus 2.0.3 has been restored. * processes plugin: Potentially erroneous behavior has been fixed in an error handling case. * python plugin: Fix dispatching of values from Python scripts to collectd. Thanks to Gregory Szorc for finding and fixing this problem. 2010-11-27, Version 4.10.2 * Documentation: Various documentation fixes. * collectd: If including one configuration file fails, continue with the rest of the configuration if possible. * collectd: Fix a bug in the read function scheduling. In rare cases read functions may not have been called as often as requested. * collectd: Concurrency issues with errno(3) under AIX have been fixed: A thread-safe version of errno has to be requested under AIX. Thanks to Aurélien Reynaud for his patch. * collectd: A left-over hard-coded 2 has been replaced by the configurable timeout value. * curl, memcachec, tail plugins: Fix handling of "DERIVE" data sources. Matching the end of a string has been improved; thanks to Sebastian Harl for the patch. * curl_json plugin: Fix a problem when parsing 64bit integers. Reading JSON data from non-HTTP sources has been fixed. * netapp plugin: Pass the interval setting to the dispatch function. Restore compatibility to NetApp Release 7.3. Thanks to Sven Trenkel for the patch. * network plugin: Be less verbose about unchecked signatures, in order to prevent spamming the logs. * notify_email plugin: Concurrency problems have been fixed. * python plugin: Set "sys.argv", since many scripts don't expect that it may not be set. Thanks to Sven Trenkel for the patch. * rrdtool, rrdcached plugin: Fix a too strict assertion when creating RRD files. * swap plugin: A bug which lead to incorrect I/O values has been fixed. * value match: A minor memory leak has been fixed. Thanks to Sven Trenkel for the patch. 2010-07-09, Version 4.10.1 * Build system: Checking for "strtok_r" under Solaris has been fixed. * Portability: Fixes for Solaris 8 have been applied. Thanks to Alexander Wuerstlein for his patch. * collectd: The shutdown speed when terminating the read threads has been improved. * libcollectdclient: A format error in the PUTVAL command has been removed. Thanks to Johan Van den Brande for fixing this. * df plugin: An error message shown when "cu_mount_getlist" fails has been added. * processes plugin: Missing initialization code for IO members of a struct has been added. Thanks to Aurélien Reynaud for fixing this. * python plugin: Memory leaks in the write and notification callbacks have been fixed. A possible crash when the plugin was loaded but not configured has been fixed. Thanks to Sven Trenkel for his patches. * snmp plugin: Verbosity with regard to unknown ASN types has been increased. A build problem on PowerPC and ARM processors has been fixed by Aurélien Reynaud; thanks! * powerdns plugin: Compatibility changes for PowerDNS 2.9.22 and above have been applied. Thanks to Luke Heberling for his changes. 2010-05-01, Version 4.10.0 * collectd: JSON output now includes the "dstypes" and "dsnames" fields. This makes it easier for external applications to interpret the data. Thanks to Chris Buben for his work. * collectd: The new "Timeout" option can be used to specify a "timeout" for missing values. This is used in the threshold checking code to detect missing values. Thanks to Andrés J. Díaz for the patch. * apache plugin: Support for "IdleWorkers" (Apache 1.*: "IdleServers") has been added. * curl plugin: The new "ExcludeRegex" allows to easily exclude certain lines from the match. * curl_xml plugin: This new plugin allows to read XML files using cURL and extract metrics included in the files. Thanks to Amit Gupta for his work. * filecount plugin: The new "IncludeHidden" option allows to include "hidden" files and directories in the statistics. Thanks to Vaclav Malek for the patch. * logfile plugin: The new "PrintSeverity" option allows to include the severity of a message in the output. Thanks to Clément Stenac for his patch. * memcachec plugin: The new "ExcludeRegex" allows to easily exclude certain lines from the match. * modbus plugin: This new plugin allows to read registers from Modbus-TCP enabled devices. * network plugin: The new "Interface" option allows to set the interface to be used for multicast and, if supported, unicast traffic. Thanks to Max Henkel for his work. * openvpn plugin: The "CollectUserCount" and "CollectIndividualUsers" options allow more detailed control over how to report sessions of multiple users. Thanks to Fabian Schuh for his work. * pinba plugin: This new plugin receives timing information from the Pinba PHP extension, which can be used for profiling PHP code and webserver performance. Thanks to Phoenix Kayo for his work. * ping plugin: The new "MaxMissed" allows to re-resolve a hosts address when it doesn't reply to a number of ping requests. Thanks to Stefan Völkel for the patch. * postgresql plugin: The "Interval" config option has been added. The plugin has been relicensed under the 2-clause BSD license. Thanks to Sebastian Harl for his work. * processes plugin: Support for "code" and "data" virtual memory sizes has been added. Thanks to Clément Stenac for his patch. * python plugin: Support for Python 3 has been implemented. Thanks to Sven Trenkel for his work. * routeros plugin: Support for collecting CPU load, memory usage, used and free disk space, sectors written and number of bad blocks from MikroTik devices has been added. * swap plugin: Support for Linux < 2.6 has been added. Thanks to Lorin Scraba for his patch. * tail plugin: The new "ExcludeRegex" allows to easily exclude certain lines from the match. Thanks to Peter Warasin for his patch. * write_http plugin: The "StoreRates" option has been added. Thanks to Paul Sadauskas for his patch. * regex match: The "Invert" option has been added. Thanks to Julien Ammous for his patch. 2011-03-26, Version 4.9.5 * Documentation: Several updates and additions. Thanks to Sebastian Harl. * collectd: Build issues (compiler warnings) have been fixed. Thanks to Bruno Prémont. * collectd: Threshold subsection: Handling of NAN values in the percentage calculation has been fixed. * collectd, java plugin, ntpd plugin: Several diagnostic messages have been improved. * libvirt plugin: A bug in reading the virtual CPU statistics has been fixed. Thanks to “JLPC” for reporting this problem. * processes plugin: Potentially erroneous behavior has been fixed in an error handling case. * python plugin: Fix dispatching of values from Python scripts to collectd. Thanks to Gregory Szorc for finding and fixing this problem. 2010-11-27, Version 4.9.4 * Documentation: Various documentation fixes. * collectd: If including one configuration file fails, continue with the rest of the configuration if possible. * collectd: Fix a bug in the read function scheduling. In rare cases read functions may not have been called as often as requested. * collectd: Concurrency issues with errno(3) under AIX have been fixed: A thread-safe version of errno has to be requested under AIX. Thanks to Aurélien Reynaud for his patch. * curl, memcachec, tail plugins: Fix handling of "DERIVE" data sources. Matching the end of a string has been improved; thanks to Sebastian Harl for the patch. * curl_json plugin: Fix a problem when parsing 64bit integers. Reading JSON data from non-HTTP sources has been fixed. * netapp plugin: Pass the interval setting to the dispatch function. Restore compatibility to NetApp Release 7.3. Thanks to Sven Trenkel for the patch. * network plugin: Be less verbose about unchecked signatures, in order to prevent spamming the logs. * notify_email plugin: Concurrency problems have been fixed. * python plugin: Set "sys.argv", since many scripts don't expect that it may not be set. Thanks to Sven Trenkel for the patch. * rrdtool, rrdcached plugin: Fix a too strict assertion when creating RRD files. * value match: A minor memory leak has been fixed. Thanks to Sven Trenkel for the patch. 2010-07-09, Version 4.9.3 * Build system: Checking for "strtok_r" under Solaris has been fixed. * Portability: Fixes for Solaris 8 have been applied. Thanks to Aurélien Reynaud and Alexander Wuerstlein for their patches. * collectd: The shutdown speed when terminating the read threads has been improved. * collectd-nagios: The format of the performance data has been fixed. * libcollectdclient: A format error in the PUTVAL command has been removed. Thanks to Johan Van den Brande for fixing this. * df plugin: An error message shown when "cu_mount_getlist" fails has been added. * processes plugin: Missing initialization code for IO members of a struct has been added. Thanks to Aurélien Reynaud for fixing this. * python plugin: Memory leaks in the write and notification callbacks have been fixed. A possible crash when the plugin was loaded but not configured has been fixed. Thanks to Sven Trenkel for his patches. * rrdcached plugin: A build issue has been resolved. Thanks to Thorsten von Eicken for the patch. * snmp plugin: Verbosity with regard to unknown ASN types has been increased. A build problem on PowerPC and ARM processors has been fixed by Aurélien Reynaud; thanks! * powerdns plugin: Compatibility changes for PowerDNS 2.9.22 and above have been applied. Thanks to Luke Heberling for his changes. 2010-04-22, Version 4.9.2 * Build system, various plugins: Fixes for AIX compatibility have been added. Thanks to Manuel Sanmartin for his patches. * Build system: Checking for "nanosleep" on old Solaris machines has been fixed. Thanks to Vincent McIntyre and Sebastian Harl for figuring out a way to make this work. * collectd: Append a newline to messages written to STDERR. * collectd: Serialization of NANs in JSON format has been fixed. Thanks to Chris Buben for pointing out the resulting syntax error. * collectd: Checks whether a "sleep" returned early have been added; the cases are now handled correctly. Thanks to Michael Stapelberg for the patch. * collectd: Continue reading files in a directory when parsing one file fails. * apache plugin: Collection of the number of active connections has been fixed for Apache 2.*. * contextswitch plugin: Handle large counter/derive values correctly. Thanks to Martin Merkel for reporting the bug. * exec plugin: Error messages have been improved. The "running" flag is now cleared correctly when forking a child fails. * iptables plugin: Fix a violation of aliasing rules. This resolves a warning / error with new GCC versions. Thanks to Jan Engelhardt for the work-around. * java plugin: The Java API files are now packaged into a .jar file. Thanks to Amit Gupta for his patch. * network plugin: Fix a segmentation fault when receiving packets with an unknown data source type. * network plugin: A memory leak when receiving encrypted network packets has been fixed. * openvpn plugin: Fix naming schema when reading "MULTI1" type status files. * oracle plugin: Fix checking for lost connections and reconnect in this case. Thanks to Sven Trenkel for pointing out the problem. * unixsock plugin: A memory leak in the "LISTVAL" command has been fixed. Thanks to Peter Warasin for pointing it out. * write_http plugin: Use the "any" authentication schema. This used to be "digest". Thanks to Paul Sadauskas for the patch. 2010-01-14, Version 4.9.1 * Documentation: Some manpage fixes. * Default config: Added sample configuration for missing plugins. * apache plugin: Fix a segmentation fault in the config handling of VerifyPeer / VerifyHost. Thanks to "plazmus" for his or her patch. * processes plugin: Fix handling of derive data sources. * rrdtool plugin: Fix a bug with random write timeouts. Due to an incorrect initialization some files may be suspended basically indefinitely. After flushing the files they were written regularly again. * routeros plugin: Use the node name for the "host" field. * Monitorus.pm: Put the plugin into the "Collectd::Plugins" namespace. * Perl bindings: Fix a warning that was printed when building debugging output. 2009-12-21, Version 4.9.0 * contextswitch plugin: The new ContextSwitch plugin gathers the number of context switches done by the CPU. Thanks to Patrik Weiskircher for the patch. * cpu plugin: Support for SMP (multiple processors) under FreeBSD has been added. Thanks to Doug MacEachern for the patch. * curl plugin: The “MeasureResponseTime” option has been added. Thanks to Aman Gupta for the patch. * df plugin: Collecting the inode count and reserved space has been added. Thanks to Patrik Weiskircher for the patch. * exec plugin: The environment variables “COLLECTD_INTERVAL” and “COLLECTD_HOSTNAME” are now set before executing the application. * Monitorus plugin: This Perl-based plugin to query statistics from mon.itor.us has been added. Thanks to Jeff Green for the patch. * netapp plugin: New plugin to collect statistics from NetApp filers. Thanks to Sven Trenkel of the noris network AG for the patch. * network plugin: Statistics collection about the plugin itself has been implemented. * openvpn plugin: Add support for more versions of the “status file”. Thanks to Marco Chiappero for the patch. * OpenVZ plugin: This Perl-based plugin to gather OpenVZ statistics has been added. Thanks to Jonathan Kolb for the patch. * ping plugin: The config options "SourceAddress" and "Device" have been added. Thanks to Sebastian Harl for the patch. * processes plugin: Collection of IO-metrics has been added. Thanks to Andrés J. Díaz for the patch. * python plugin: The new Python plugin integrates a Python interpreter into collectd and allows to execute plugins written in the scripting language. Thanks to Sven Trenkel for his work. * routeros plugin: The new RouterOS plugin queries interface and wireless registration statistics from RouterOS. * Various plugins: AIX support has been added to the cpu, disk, interface, load, memory, processes, and swap plugins. Thanks to Manuel Sanmartin for his patches. * hashed match: This match for simple load balancing and redundant storage has been added. * scale target: This target to scale (multiply) values by an arbitrary value has been added. 2010-04-22, Version 4.8.5 * collectd: Append a newline to messages written to STDERR. * network plugin: Fix a segmentation fault when receiving packets with an unknown data source type. 2010-04-07, Version 4.8.4 * Build system, various plugins: Fixes for AIX compatibility have been added. Thanks to Manuel Sanmartin for his patches. * Build system: Checking for "nanosleep" on old Solaris machines has been fixed. Thanks to Vincent McIntyre and Sebastian Harl for figuring out a way to make this work. * collectd: Serialization of NANs in JSON format has been fixed. Thanks to Chris Buben for pointing out the resulting syntax error. * collectd: Checks whether a "sleep" returned early have been added; the cases are now handled correctly. Thanks to Michael Stapelberg for the patch. * collectd: Continue reading files in a directory when parsing one file fails. * apache plugin: Collection of the number of active connections has been fixed for Apache 2.*. * exec plugin: Error messages have been improved. The "running" flag is now cleared correctly when forking a child fails. * iptables plugin: Fix a violation of aliasing rules. This resolves a warning / error with new GCC versions. Thanks to Jan Engelhardt for the work-around. * java plugin: The Java API files are now packaged into a .jar file. Thanks to Amit Gupta for his patch. * network plugin: A memory leak when receiving encrypted network packets has been fixed. * oracle plugin: Fix checking for lost connections and reconnect in this case. Thanks to Sven Trenkel for pointing out the problem. * unixsock plugin: A memory leak in the "LISTVAL" command has been fixed. Thanks to Peter Warasin for pointing it out. * write_http plugin: Use the "any" authentication schema. This used to be "digest". Thanks to Paul Sadauskas for the patch. 2010-01-14, Version 4.8.3 * Documentation: Some manpage fixes. * rrdtool plugin: Fix a bug with random write timeouts. Due to an incorrect initialization some files may be suspended basically indefinitely. After flushing the files they were written regularly again. 2009-12-18, Version 4.8.2 * Build system, java plugin: Don't use “find -L” to search for Java headers, because it's a GNU extension. * Build system: Support for parallel builds has been improved. Thanks Sebastian Harl and Stefan Völkel for looking into this. * collectd: Print error messages to STDERR if no log plugin has been loaded. * genericjmx plugin: Close and re-open the connection upon I/O-errors. * gmond plugin: Fix typos which caused syntax errors. * memory plugin: Handling of >4 Gbyte of memory has been fixed. * network plugin: The license has been changed to LGPL 2.1. * oracle plugin: Reconnect to the database if the connection dies. * rrdcached plugin: Work-around for a bug in RRDtool 1.4rc2 has been added. * snmp plugin: Handling of negative values has been fixed. Strings containing control characters are now interpreted as hex-strings. * unixsock plugin: A memory leak in the LISTVAL command has been fixed. Thanks to Ben Knight for his patch. 2009-10-04, Version 4.8.1 * Build system: Issues when building the iptables plugin have been fixed. * exec plugin: Clear the signal block mask before calling exec(2). * perl plugin: Declare the “environ” variable. This solves build issues on some platforms. * processes plugin: Remove unnecessary call of realloc(3). Thanks to Andrés J. Díaz for the patch. * unixsock plugin: Fix a (well hidden) race condition related to file descriptor handling. 2009-09-13, Version 4.8.0 * collectd: Two new data source types, “DERIVE” and “ABSOLUTE”, have been added. “DERIVE” can be used for counters that are reset occasionally. Thanks to Mariusz Gronczewski for implementing this. * thresholds: The advanced threshold options “Percentage”, “Hits”, and “Hysteresis” have been added. Thanks to Andrés J. Díaz for his patches. * curl_json plugin: The new cURL-JSON plugin reads JSON files using the cURL library and parses the contents according to user specification. Among other things, this allows to read statistics from a CouchDB instance. Thanks to Doug MacEachern for the patch. * df plugin: Using the new “ReportByDevice” option the device rather than the mount point can be used to identify partitions. Thanks to Paul Sadauskas for the patch. * dns plugin: The possibility to ignore numeric QTypes has been added. Thanks to Mirko Buffoni for the patch. * GenericJMX plugin: The new, Java-based GenericJMX plugin allows to query arbitrary data from a Java process using the “Java Management Extensions” (JMX). * madwifi plugin: The new MadWifi plugin collects information about Atheros wireless LAN chipsets from the MadWifi driver. Thanks to Ondrej Zajicek for his patches. * network plugin: The receive- and send-buffer-sizes have been made configurable, allowing for bigger and smaller packets. Thanks to Aman Gupta for the patch. * olsrd plugin: The new OLSRd plugin queries routing information from the “Optimized Link State Routing” daemon. * rrdtool plugin: A new configuration option allows to define a random write delay when writing RRD files. This spreads the load created by writing RRD files more evenly. Thanks to Mariusz Gronczewski for the patch. * swap plugin: The possibility to collect swapped in/out pages has been added to the Swap plugin. Thanks to Stefan Völkel for the patch. * tokyotyrant plugin: The new TokyoTyrant plugin reads the number of records and file size from a running Tokyo Tyrant server. Thanks to Paul Sadauskas for the patch. * unixsock plugin: Add the “GETTHRESHOLD” command. This command can be used to query the thresholds configured for a particular identifier. * write_http plugin: The new Write HTTP plugin sends the values collected by collectd to a web-server using HTTP POST requests. Thanks to Paul Sadauskas for the patch. * zfs_arc plugin: The new ZFS ARC plugin collects information about the “Adaptive Replacement Cache” (ARC) of the “Zeta File-System” (ZFS). Thanks to Anthony Dewhurst for the patch. * empty_counter match: The new Empty Counter match matches value lists, where at least one data source is of type COUNTER and the counter value of all counter data sources is zero. 2009-12-18, Version 4.7.5 * Build system, java plugin: Don't use “find -L” to search for Java headers, because it's a GNU extension. * Build system: Support for parallel builds has been improved. Thanks Sebastian Harl and Stefan Völkel for looking into this. * collectd: Print error messages to STDERR if no log plugin has been loaded. * memory plugin: Handling of >4 Gbyte of memory has been fixed. * network plugin: The license has been changed to LGPL 2.1. * oracle plugin: Reconnect to the database if the connection dies. * rrdcached plugin: Work-around for a bug in RRDtool 1.4rc2 has been added. * snmp plugin: Handling of negative values has been fixed. Strings containing control characters are now interpreted as hex-strings. * unixsock plugin: A memory leak in the LISTVAL command has been fixed. Thanks to Ben Knight for his patch. 2009-10-03, Version 4.7.4 * Build system: Issues when building the iptables plugin have been fixed. * exec plugin: Clear the signal block mask before calling exec(2). * perl plugin: Declare the “environ” variable. This solves build issues on some platforms. * processes plugin: Remove unnecessary call of realloc(3). Thanks to Andrés J. Díaz for the patch. * unixsock plugin: Fix a (well hidden) race condition related to file descriptor handling. 2009-09-13, Version 4.7.3 * collectd: Fix a possible but very rare invalid “free” in the caching code. Thanks to Sebastian Harl for the patch. * collectd: Remove old values when a cache entry is marked as missing. This way the “GETVAL” command of the UnixSock plugin doesn't return old, no longer valid values when this happens. Thanks to Andrés J. Díaz for the patch. * collectd: The “plugin_unregister_read” function has been fixed. * apache, ascent, bind, curl, nginx plugins: Advise the cURL library to follow redirects. Thanks to Joey Hess for reporting this bug. * df plugin: Check the ignorelist before stating the file system, possibly reducing the number of stats considerably. Thanks to Joey Hess for reporting this bug. * iptables plugin: Support for the new libiptc API has been added. Thanks to Sebastian Harl for the patch. The build system has been updated to the plugin only includes the shipped header files when it is linked with the shipped library, too. * java plugin: Delay creating the JVM until after the daemon has forked. The JVM internally creates threads that are lost when forking. This means that Java-based plugins are now configured during the init-phase, i. e. later than other plugins. * libvirt plugin: Re-connect to libvirtd if connecting fails. Thanks to Alan Pevec for the patch. * network plugin: Fix the handling of the “CacheFlush” option: The value was assigned to a wrong variable. The initialization of the gcrypt library, which is used for signing / encrypting traffic, has been fixed. Thanks to Luke Heberling for the patch. * powerdns plugin: Set a timeout when reading data from the datagram socket. Handling of the “LocalSocket” option has been fixed. An incorrectly used “type” has been corrected. Thanks to Luke Heberling for his patches. 2009-07-19, Version 4.7.2 * Build system: Support for `DESTDIR' has been fixed in the Java bindings. * collectd: Okay-notifications have been fixed. Thanks to Andrés J. Díaz for fixing this bug. * collectd: A programming error has been fixed in the notification code. The bug may result in an assertion failure. * memcached plugin: Portability fix for Solaris. Thanks to Amit Gupta for reporting the bug. * ping plugin: Link the plugin with libm. 2009-06-02, Version 4.7.1 * Build system: Detection of Java has been improved and missing details have been added to the configuration summary. Support for libtool 2.2 has been added. * collectd: Two bugs with the threshold checking have been fixed. The first one prevented thresholds to be checked at all, the second one caused wrong behavior with the persistency option. Thanks to Andrés J. Díaz for fixing these problems. * collectd: Handling of the `Include' configuration option has been fixed. * rrdtool plugin: Make sure initialization is run only once. This resolves problems under Solaris and potentially other systems. Thanks to Amit Gupta for reporting this bug. * java plugin: Make it possible to use dots ('.') instead of slashes ('/') as the class separator. Thanks to Randy Rizun for pointing this out. * swap plugin: A work-around for 32-bit Solaris has been added. Thanks to Doug MacEachern for the patch. 2009-05-11, Version 4.7.0 * apache plugin: Support to query multiple servers has been added. Thanks to Amit Gupta for the patch. * apache plugin: Handling of lighttpd's scoreboard statistics has been improved. Thanks to Amit Gupta for the patch. * conntrack plugin: The new conntrack plugin collects the connection tracking table size. Thanks to Tomasz Pala for the patch. * fscache plugin: The new fscache plugin collects statistics about Linux' file-system based caching framework. Thanks to Edward Konetzko for the patch. * gmond plugin: The new gmond plugin can receive and interpret multicast traffic from Ganglia's gmond daemon. * java plugin: The new java plugin exports the collectd API to Java, making it possible to write extensions to collectd in Java. * memcachec plugin: The new memcachec plugin queries data from a memcached daemon and parses it similar to the cURL plugin. Thanks to Doug MacEachern for the initial code. * memcached plugin: Support for connections over UNIX domain sockets has been added. Thanks to Franck Lombardi for the patch. * memory plugin: Support for OpenBSD and possibly other *BSDs has been added. Thanks to Simon Kuhnle for the patch. * mysql plugin: Support to query multiple databases has been added. Thanks to Doug MacEachern for the patch. * mysql plugin: Master/slave statistics have been added. * mysql plugin: Lock statistics have been added. Thanks to Rodolphe Quiédeville for the patch. * network plugin: The possibility to sign or encrypt network traffic has been added. * protocols plugin: The new protocols plugin provides information about network protocols, such as IP, TCP and UDP. * snmp plugin: The intervals given in the configuration of the SNMP plugin must no longer be a multiple of the global interval. * table plugin: The new Table plugin provides parsing for table-like structured files, such as many files beneath /proc. * ted plugin: The new TED plugin reads power consumption measurements from “The Energy Detective” (TED). Thanks to Eric Reed for this plugin. * onewire plugin: The new `Interval' option allows collecting information from OneWire sensors at arbitrary intervals. * ping plugin: Support for collecting the drop rate and standard deviation of round-trip times has been added. * uptime plugin: The new uptime plugin can collect the server's uptime. Thanks to Marco Chiappero for the patch. 2009-09-10, Version 4.6.5 * collectd: Remove old values when a cache entry is marked as missing. This way the “GETVAL” command of the UnixSock plugin doesn't return old, no longer valid values when this happens. Thanks to Andrés J. Díaz for the patch. * apache, ascent, bind, curl, nginx plugins: Advise the cURL library to follow redirects. Thanks to Joey Hess for reporting this bug. * df plugin: Check the ignorelist before stating the file system, possibly reducing the number of stats considerably. Thanks to Joey Hess for reporting this bug. * iptables plugin: Support for the new libiptc API has been added. Thanks to Sebastian Harl for the patch. The build system has been updated to the plugin only includes the shipped header files when it is linked with the shipped library, too. * libvirt plugin: Re-connect to libvirtd if connecting fails. Thanks to Alan Pevec for the patch. * powerdns plugin: Set a timeout when reading data from the datagram socket. Handling of the “LocalSocket” option has been fixed. An incorrectly used “type” has been corrected. Thanks to Luke Heberling for his patches. 2009-07-18, Version 4.6.4 * collectd: Okay-notifications have been fixed. Thanks to Andrés J. Díaz for fixing this bug. * collectd: A programming error has been fixed in the notification code. The bug may result in an assertion failure. * memcached plugin: Portability fix for Solaris. Thanks to Amit Gupta for reporting the bug. 2009-06-02, Version 4.6.3 * Build system, various plugins: Many build fixes for FreeBSD, OpenBSD, NetBSD, Solaris and Mac OS X. Big thanks to Doug MacEachern for many fixes and providing a build system for many platforms, Ulf Zimmermann for providing a FreeBSD system and Simon Kuhnle for providing an OpenBSD system. * collectd: Two bugs with the threshold checking have been fixed. The first one prevented thresholds to be checked at all, the second one caused wrong behavior with the persistency option. Thanks to Andrés J. Díaz for fixing these problems. * collectd: Handling of the `Include' configuration option has been fixed. * battery plugin: Don't complain about a missing directory every interval. * exec plugin: Allow executed programs to close STDERR. Thanks to Thorsten von Eicken for reporting this problem. * irq plugin: Fix handling of overflowing 32-bit counters. Thanks to Tomasz Pala for the patch. * perl plugin: Portability build-fixes. Thanks to Doug MacEachern for the patch. * memory plugin: Fix a potential problem under Solaris. * swap plugin: A work-around for 32-bit Solaris has been added. Thanks to Doug MacEachern for the patch. 2009-03-18, Version 4.6.2 * collectd: Some Solaris utility code has been improved. * filter subsystem: Allow `Chains' without default targets. * liboping: A patch to comply with strict aliasing rules has been added. * timediff match: Fix a typo: The match was registered with a wrong name which prevented this match to be used as documented. Thanks to Bruno Prémont for finding this problem. * bind plugin: Fix collection of the cached RR sets. The number of RR sets currently in the cache was collected as a counter value, which is nonsense. Thanks to Bruno Prémont for implementing this. * dns plugin: Don't pass NULL to `pcap_open_live': Some systems, primarily BSDs, don't take it well and crash. * oracle plugin: Portability to 64 bit systems has been improved. * postgresql plugin: The default configuration has been improved. * rrdtool plugin: Fix a possible race condition: If the network plugin is brought and dispatches a value before the rrdtool plugin is initialized, the daemon may crash. 2009-02-22, Version 4.6.1 * collectd: Many documentation fixes. * Collectd::Unixsock: Error handling has been improved. * regex match: Don't link with the PCRE library. * bind plugin: Various bugs have been fixed. Thanks to Bruno Prémont for finding and fixing most of them. * ipmi plugin: Fix an off-by-one error which could cause segmentation faults. Thanks to Peter Holik for his patch. 2009-02-16, Version 4.6.0 * collectd: Added the `filter chain' infrastructure, which allows the user to use `matches' and `targets' to control value processing. * collectd: The new `-T' command line argument allows more in-depth testing of a configuration. Thanks to Doug MacEachern for the patch. * collectd-nagios: The Nagios integration command has been updated to use libcollectdclient. The `percentage' aggregation function has been added. Thanks to Fabian Linzberger for the patch. * libcollectdclient: A library which abstracts communication with the unixsock plugin for clients has been added. * regex match: Match values by their identifies using regular expressions. * timediff match: Match for values with an invalid timestamp. * value match: Select values by their data sources' values. * notification target: Create and dispatch a notification. * replace target: Replace parts of an identifier using regular expressions. * set target: Set (overwrite) entire parts of an identifier. * bind plugin: This new plugin uses the new HTTP/XML interface to BIND statistics, allowing very detailed name server statistics. Thanks to Bruno Prémont for this plugin. * cpu plugin: Report `interrupt' separately when using sysctlbyname(3) (used under *BSD). Support for sysctl(3), for example for native OpenBSD support, has been added. Thanks to Simon Kuhnle for the patch. * csv plugin: Make it possible to write values to STDOUT instead of files. This is meant for testing purposes mostly. The output written to STDOUT is compatible with the exec plugin. Thanks to Doug MacEachern for the patch. * curl plugin: This new plugin can be used to read web pages and parse them using the same mechanism that's used in the tail plugin. * dbi plugin: This new plugin allows you to connect to a variety of relational databases and use SQL to gather custom statistics from it. It is similar to the already existing PostgreSQL plugin but uses libdbi to communicate with the database(s). * interface plugin: Use the ignorelist framework when selecting / ignoring interfaces. This allows one to use regular expressions to select interfaces, too. * ipmi plugin: Handle temporary IPMI error conditions more gracefully. Thanks to Bruno Prémont for this patch. * memcached plugin: Add hit-ratio metric. Thanks to Doug MacEachern for the patch. * mysql plugin: Allow connecting to a database via the UNIX domain socket, too. Thanks to Mirko Buffoni for the patch. * network plugin: Further performance improvements for the receive code. This hopefully will help very large setups. * openvpn plugin: This new plugin collects statistics provided by the OpenVPN daemon. Thanks to Doug MacEachern for the patch. * oracle plugin: This new plugin allows you to connect to an Oracle database and use SQL to gather custom statistics from it. It is similar to the already existing PostgreSQL plugin. * perl plugin: Compatibility fixes for broken versions of Perl 5.10 have been added. * perl plugin: Export the newly added plugin_write() to Perl plugins. * perl plugin: Added support for `notification meta data'. * perl plugin: Added support for the `filter chain' infrastructure by allowing plugins to register `matches' and `targets'. * postgresql plugin: The preferred configuration syntax has been updated to be in line with the syntax used by the new dbi and oracle plugins. The compatibility code for the old syntax is present. Support for the new `Result' blocks and the interval parameter has been added. * processes plugin: Stacksize and virtual memory usage statistics have been added. Portability fixes. * rrdcached plugin: This new plugin uses the (still in development) RRD accelerator daemon, rrdcached. This daemon works very similar to the original rrdtool plugin of collectd, but adds some more nice features. * swap plugin: Code for OpenBSD (and possibly other *BSDs) has been added. 2009-05-09, Version 4.5.4 * Build system, various plugins: Many build fixes for FreeBSD, OpenBSD, NetBSD, Solaris and Mac OS X. Big thanks to Doug MacEachern for many fixes and providing a build system for many platforms, Ulf Zimmermann for providing a FreeBSD system and Simon Kuhnle for providing an OpenBSD system. * collectd: Fix a potential race condition when creating directories. * battery plugin: Don't complain about a missing directory every interval. * dns plugin: Slight portability fixes. * exec plugin: Allow executed programs to close STDERR. Thanks to Thorsten von Eicken for reporting this problem. * irq plugin: Fix handling of overflowing 32-bit counters. Thanks to Tomasz Pala for the patch. * perl plugin: Portability build-fixes. Thanks to Doug MacEachern for the patch. * rrdtool plugin: Fix a possible race condition: If the network plugin is initialized and dispatches a value before the rrdtool plugin is initialized, the daemon may crash. * memory plugin: Fix a potential problem under Solaris. 2009-02-22, Version 4.5.3 * build system: The check for libupsclient even when `pkg-config' is not available. * collectd: Fix error handling in the global cache. * Collectd::Unixsock: Error handling has been improved. * ascent plugin: Fix a memory leak. Thanks to Bruno Prémont for his patch. * ipmi plugin: Fix an off-by-one error which could cause segmentation faults. Thanks to Peter Holik for his patch. * tcpconns plugin: An endianness problem has been fixed in the *BSD code. Thanks to "thated" for reporting this. 2009-01-02, Version 4.5.2 * build system: Check for `mysql.h' and `mysql/mysql.h', since the file may be in both locations, especially when the database was installed in a non-standard path. Thanks to Dusty Doris for reporting this. * build system: Handle the _POSIX_PTHREAD_SEMANTICS defined, needed by Solaris, in the configure script automatically. * build system, tcpconns plugin: Check for `kvm_nlist' and `kvm_openfiles' before enabling the plugin: Solaris provides a KVM library with similar functions to the BSD variant, but doesn't provide these necessary functions. * collectd.conf(5): Various fixes and clarifications. * collectd: Remove a GNUism (unnamed unions), thus improving portability. * collectd, apcups plugin: Include "collectd.h" before <stdlib.h>. This solves portability problems, especially for Solaris. * dns plugin: Fix a portability problem with NetBSD. * filecount plugin: Fix an off-by-one error. This error may cause a segmentation fault. * network plugin: Fix the handling of `type' in the network protocol. Due to a programming mistake, only 4 or 8 bytes would be copied to a much larger buffer. This caused the `type' to be transferred much more often than necessary. In some cases, e. g. the `cpu' and `cpufreq' plugins being used at the same time, data may be corrupted in those files. Thanks to Bruno Prémont for debugging and reporting this issue. * processes plugin: Fix a possible segmentation fault when specifying invalid configuration options. * unixsock plugin: Make sure the initialization function is run only once. This resolves a file descriptor leak under systems which run the initialization more than once, such as Solaris. 2008-10-16, Version 4.5.1 * build system: Change `--enable-<plugin>' to abort with an error if dependencies are not met. Thanks to Bruno Prémont for the patch. Also, the poisoning of various string functions has been restricted to debug builds. * collectd: Fix a memory leak in the global value cache. With every *missing* value a couple of bytes would be leaked. Another memory leak in the configuration handling code has been fixed. Thanks to Niraj Tolia for reporting these issues. * collectd: Fix an off-by-one error in the ignorelist functionality. When using regular expressions, the last character would be missing, possibly matching differently from what one would expect. * collectdmon: Don't block SIGCHLD. This fixes a potential portability problem. * collectd-nagios: Fix handling of the `-d' option. Thanks to Fabian Linzberger for reporting the bug. * iptables plugin: Fix an off-by-one error. If a string was just one character too long, it was truncated instead of reporting an error. * network plugin: Fix a memory leak in the configuration handling code. Thanks to Niraj Tolia for reporting this issue. * perl plugin: Log an error message if bootstrapping `Collectd' fails. * postgresql plugin: Don't reopen connection during reinitialization. This fixes a bug under Solaris and potentially other platforms. Missing calls to `PQclear' have been added, too. This fixes memory leaks. Thanks to ``Admin'' for reporting these bugs. * snmp plugin: Don't expect null-terminated strings from the Net-SNMP library. * tail plugin: Call `clearerr(3)' after reading an EOF. This fixes problems with some `libc's. Thanks to Matthias Lay for reporting the bug. 2008-09-04, Version 4.5.0 * collectd: Added the ability to flush certain identifiers. * collectd: The concept of `notification meta data' has been introduced. * filecount plugin: The new filecount plugin counts the number of files in a directory and its subdirectories. * ipmi plugin: Sensor names have been changed to ensure unique names. Notifications upon added and removed sensors can now be generated. * notify_desktop plugin: This new plugin sends notifications to the X desktop using the structure defined in the `Desktop Notification Specification'. * notify_email plugin: This new plugin sends out notifications via email, using the `esmtp' library. * onewire plugin: The new experimental(!) onewire plugin reads values, such as temperatures, from sensors connected to the computer via the onewire bus. * perl plugin: Improved synchronized access to internal data structures and fixed a possible dead-lock. * perl plugin: Added the ability to flush certain identifiers and marked plugin_flush_all() and plugin_flush_one() as deprecated in favor of plugin_flush(). * perl plugin: Added the ability to configure Perl plugins. * postgresql plugin: The new postgresql plugin collects statistics about or from a PostgreSQL database. * processes plugin: The `ProcessMatch' option has been added. * rrdtool plugin: Implement throttling of the `update queue' to lessen IO load. * tcpconns plugin: This plugin has been ported to OpenBSD. * thermal plugin: The new thermal plugin collects system temperatures using Linux ACPI thermal zone data. 2009-01-02, Version 4.4.5 * build system: Check for `mysql.h' and `mysql/mysql.h', since the file may be in both locations, especially when the database was installed in a non-standard path. Thanks to Dusty Doris for reporting this. * build system: Handle the _POSIX_PTHREAD_SEMANTICS defined, needed by Solaris, in the configure script automatically. * collectd.conf(5): Various fixes and clarifications. * apcups plugin: Include "collectd.h" before <stdlib.h>. This solves portability problems, especially for Solaris. * dns plugin: Fix a portability problem with NetBSD. * network plugin: Fix the handling of `type' in the network protocol. Due to a programming mistake, only 4 or 8 bytes would be copied to a much larger buffer. This caused the `type' to be transferred much more often than necessary. In some cases, e. g. the `cpu' and `cpufreq' plugins being used at the same time, data may be corrupted in those files. Thanks to Bruno Prémont for debugging and reporting this issue. * unixsock plugin: Make sure the initialization function is run only once. This resolves a file descriptor leak under systems which run the initialization more than once, such as Solaris. 2008-10-16, Version 4.4.4 * build system: Change `--enable-<plugin>' to abort with an error if dependencies are not met. Thanks to Bruno Prémont for the patch. Also, the poisoning of various string functions has been restricted to debug builds. * collectd: Fix a memory leak in the global value cache. With every *missing* value a couple of bytes would be leaked. Another memory leak in the configuration handling code has been fixed. Thanks to Niraj Tolia for reporting these issues. * collectd: Fix an off-by-one error in the ignorelist functionality. When using regular expressions, the last character would be missing, possibly matching differently from what one would expect. * collectdmon: Don't block SIGCHLD. This fixes a potential portability problem. * collectd-nagios: Fix handling of the `-d' option. Thanks to Fabian Linzberger for reporting the bug. * network plugin: Fix a memory leak in the configuration handling code. Thanks to Niraj Tolia for reporting this issue. * perl plugin: Log an error message if bootstrapping `Collectd' fails. * tail plugin: Call `clearerr(3)' after reading an EOF. This fixes problems with some `libc's. Thanks to Matthias Lay for reporting the bug. 2008-09-01, Version 4.4.3 * collectd: Fix a memory leak in the threshold checking code. * memcached plugin: Fix a too short timeout and a related file descriptor leak. * memory plugin: A typo in the libstatgrab code has been fixed. * snmp plugin: Fix a possible memory leak. 2008-07-15, Version 4.4.2 * build system: Use pkg-config to detect the upsclient library. * collectd: Try even harder to determine the endianness of the architecture collectd is being built on. * disk plugin: Fix for Linux 2.4: A wrong field was used as the name of disks. * dns plugin: Fix compilation errors with BIND versions 19991001 through 19991005. * network plugin: Bugfix in the init routine: The init function cleared a buffer regardless of its contents. This could lead to lost values under Solaris. * nginx plugin: Remove usage of the thread-unsafe `strtok' function. * vserver plugin: Remove usage of the thread-unsafe `readdir' function. * wireless plugin: Work around incorrect noise and power values returned by some broken drivers. 2008-06-03, Version 4.4.1 * collectd: Fix the `DataSource' option within `Type' blocks. Thanks to kyrone for reporting this. * collectd: Fixed min/max output in notifications generated by threshold checking. * collectd-nagios: Fix the protocol used to communicate with the daemon. * perl plugin: Fail noisily, but don't shutdown the daemon, if initialization has errors. An issue with Perl 5.10 has been fixed. * teamspeak2 plugin: Fixed an out of bound array access. Thanks to René Rebe and Siegmund Gorr for reporting this. 2008-05-06, Version 4.4.0 * collectd: Internal code cleanups. * collectd: Added support for a `Flush' command in the unixsock and exec plugins. This command can be used to force a plugin (or all) to flush its values to disk. * collectd: Thresholds can now be configured to apply to one data source only, making it possible to configure different thresholds for each data source. * apache, nginx plugins: Added the possibility to disable host and/or peer verification. * ascent plugin: The new ascent plugin reads and parses the statistics page of an Ascent server. * cpu plugin: Support for the statgrab library has been added. * disk plugin: The possibility to ignore certain disks or collect only specific disks has been added. * disk plugin: Support for the statgrab library has been added. * ipmi plugin: The new ipmi plugin uses the OpenIPMI library to read sensor values via IPMI, the intelligent platform management interface. * iptables plugin: The iptc library that is used by the iptables plugin has been added to the distribution, because it is not provided by all distributions and removed from at least one. * powerdns plugin: The new powerdns plugin reads statistics from an authoritative or a recursing PowerDNS name server. * rrdtool plugin: The size of the files generated with the default configuration has been decreased. * tail plugin: The new tail plugin can be used to gather statistics by continuously reading from log files. * teamspeak2 plugin: The new teamspeak2 plugin connects to a TeamSpeak2 server and collects statistics about the number of users and number of channels. * users plugin: Support for the statgrab library has been added. * vmem plugin: The new vmem plugin collects very detailed statistics about the virtual memory subsystem of Linux. 2008-08-30, Version 4.3.4 * Build system: Improved detection of and linking with the statgrab library. * collectd: Portability fixes, especially to determine endianness more reliable. * Various plugins: Fix format strings. * disk plugin: A fix for giving disks under Linux 2.4 the right names again has been applied. * memcached plugin: Fix a too short timeout and a related file descriptor leak. * memory plugin: A typo in the libstatgrab code has been fixed. * network plugin: A fix in the initialization function solves problems under Solaris. * nginx plugin: A thread-unsafe function has been replaced. * vserver plugin: A thread-unsafe function has been replaced. * wireless plugin: A work-around for broken wireless drivers has been added. 2008-04-22, Version 4.3.3 * build system: Improved detection of several libraries, especially if they are in non-standard paths. * build system: Portability fixes: Automatically define "_REENTRANT" if the libc expects it. * collectd: Error and warning messages have been improved. * collectd: Check for the BYTE_ORDER and BIG_ENDIAN defines before using them. * apache plugin: Allocate new memory when reading a webpage instead of using a buffer of static size. * exec plugin: Close (almost) all filedescriptors before exec(2)ing the program. * hddtemp plugin: Error and warning messages have been improved. * sensors plugin: Fix sensor collection for some chip types. 2008-03-29, Version 4.3.2 * collectd: Fix configuration of the `FailureMax', `WarningMax', and `Persist' threshold options. * collectd: Fix handling of missing values in the global value cache. * collectd: Improved error messages when parsing the configuration. * sensors plugin: Fix temperature collection with libsensors4. * unixsock plugin: Fix mixed input and output operation on streams. * wireless plugin: Fix reading noise value. 2008-03-05, Version 4.3.1 * exec plugin: Set supplementary group IDs. * network plugin: + Use `memcpy' when constructing/parsing a package to avoid alignment problems on weird architectures, such as Sparc. + Translate doubles to/from the x86 byte representation to ensure cross-platform compatibility. * ping plugin: Correct the handling of the `TTL' setting. * swap plugin: Reapply a patch for Solaris. * tcpconns plugin: Portability improvements. 2008-02-18, Version 4.3.0 * collectd: Notifications have been added to the daemon. Notifications are status messages that may be associated with a data instance. * collectd: Threshold checking has been added to the daemon. This means that you can configure threshold values for each data instance. If this threshold is exceeded a notification will be created. * collectd: The new `FQDNLookup' option tells the daemon to use the full qualified domain name as the hostname, not just the host part es returned by `gethostname(2)'. * collectd: Support for more than one `TypesDB' file has been added. This is useful when one such file is included in a package but one wants to add custom type definitions. * collectd: The `Include' config option has been expanded to handle entire directories and shell wildcards. * collectdmon: The new `collectdmon' binary detects when collectd terminates and automatically restarts it again. * csv plugin: The CSV plugin is now able to store counter values as a rate, using the `StoreRates' configuration option. * exec plugin: Handling of notifications has been added and the ability to pass arguments to the executed programs has been added. * hddtemp plugin: The new `TranslateDevicename' option lets you disable the translation from device names to major-minor-numbers. * logfile plugin: Handling of notifications has been added. * ntpd plugin: The new `ReverseLookups' can be used to disable reverse domain name lookups in this plugin. * perl plugin: Many internal changes added support for handling multiple threads making the plugin reasonably usable inside collectd. The API has been extended to support notifications and export global variables to Perl plugins; callbacks now have to be identified by name rather than a pointer to a subroutine. The plugin is no longer experimental. * uuid plugin: The new UUID plugin sets the hostname to an unique identifier for this host. This is meant for setups where each client may migrate to another physical host, possibly going through one or more name changes in the process. Thanks to Richard Jones from Red Hat's Emerging Technology group for this plugin. * libvirt: The new libvirt plugin uses the `libvirt' library to query CPU, disk and network statistics about guest systems on the same physical server. Thanks to Richard Jones from Red Hat's Emerging Technology group for this plugin. 2008-04-22, Version 4.2.7 * build system: Improved detection of several libraries, especially if they are in non-standard paths. * build system: Portability fixes: Automatically define "_REENTRANT" if the libc expects it. * collectd: Error and warning messages have been improved. * collectd: Check for the BYTE_ORDER and BIG_ENDIAN defines before using them. * apache plugin: Allocate new memory when reading a webpage instead of using a buffer of static size. * exec plugin: Close (almost) all filedescriptors before exec(2)ing the program. * hddtemp plugin: Error and warning messages have been improved. * sensors plugin: Fix sensor collection for some chip types. 2008-03-29, Version 4.2.6 * collectd: Improved error messages when parsing the configuration. * sensors plugin: Fix temperature collection with libsensors4. * unixsock plugin: Fix mixed input and output operation on streams. * wireless plugin: Fix reading noise value. 2008-03-04, Version 4.2.5 * apache plugin: Improved initialization and error messages. * exec plugin: Set supplementary group IDs. * network plugin: + Create separate threads for reading from the socket and parsing and dispatching incoming packets. Versions prior to this may have problems in high-load situations, where the socket receive buffers overflows, resulting in gaps in the data. + Use `memcpy' when constructing/parsing a package to avoid alignment problems on weird architectures, such as Sparc. + Translate doubles to/from the x86 byte representation to ensure cross-platform compatibility. * ping plugin: Correct the handling of the `TTL' setting. * rrdtool plugin: Ensure correct handling of the `RRATimespan' option. * swap plugin: Reapply a patch for Solaris. * tcpconns plugin: Portability improvements. 2008-01-21, Version 4.2.4 * unixsock plugin: A bug in the unixsock plugin caused it not to set the permission on the socket as documented in the manpage. Thanks to Evgeny Chukreev for fixing this issue. * collectd: The documentation has been improved. 2007-12-28, Version 4.2.3 * sensors plugin: Updated the plugin to build and work with version 3 of the libsensors library. 2007-12-15, Version 4.2.2 * nginx plugin: Incorrect comparison of strings lead to a segfault when using the plugin. Thanks to Saulius Grigaliunas for fixing this. * logfile plugin: The config option `Timestamp' was handled incorrectly and basically always active. Thanks to Luke Heberling for fixing this. 2007-11-08, Version 4.2.1 * tcpconns plugin: Don't complain about a missing file if IPv6 is not enabled on the host. * snmp plugin: Fix a memory leak. 2007-10-27, Version 4.2.0 * collectd: The new config option `Include' lets you include other configfiles and thus split up your config into smaller parts. This may be especially interesting for the snmp plugin to keep the data definitions separate from the host definitions. * ipvs plugin: The new `ipvs' plugin collects IPVS connection statistics (number of connections, octets and packets for each service and destination). Thanks to Sebastian Harl for this plugin. * memcached plugin: The new `memcached' plugin connects to a memcached daemon process and collects statistics of this distributed caching system. Thanks to Antony Dovgal for contributing this plugin. * nginx plugin: The new `nginx' plugin reads the status page of an nginx daemon and saves the handled connections and requests. * perl plugin: Many changes, including the added `EnableDebugger' config option which lets you debug your Perl plugins more easily. * rrdtool plugin: Use the thread-safe RRD-library if available. Try to be more thread-safe otherwise by locking calls to the library. * snmp plugin: Added the options `Scale' and `Shift' to Data-blocks to correct the values returned by SNMP-agents. If a <data> block is defined as `table' the instance is now optional. The sequence number is used as the type-instance in this case. The new `InstancePrefix' option allows to add arbitrary prefixes to the type-instance. * tcpconns plugin: The new `tcpconns' plugin collects the number of certain TCP connections and what state they're in. This can be used to see how many connections your FTP server has to handle or how many outgoing connections your mailserver has open. 2008-01-11, Version 4.1.6 * unixsock plugin: A bug in the unixsock plugin caused it not to set the permission on the socket as documented in the manpage. Thanks to Evgeny Chukreev for fixing this issue. * collectd: The documentation has been improved. 2007-12-27, Version 4.1.5 * rrdtool plugin: Fix a memory leak that only occurred in very-low- memory situations. * sensors plugin: Updated the plugin to build and work with version 3 of the libsensors library. 2007-11-08, Version 4.1.4 * Build system: Improve detection of the rrd library, especially if it's in a non-standard location. * Build system: A bug when parsing the argument for `--with-libnetsnmp' has been fixed. * collectd: Implement `strerror_r' if the libc doesn't provide it. * rrdtool plugin: Fix a bug in the shutdown sequence that might cause a deadlock or delay when shutting down the daemon. * snmp plugin: Fix a memory leak. 2007-10-24, Version 4.1.3 * collectd: A build issue under Solaris has been resolved by renaming data types. * rrdtool plugin: Use the thread-safe RRD-library if available. Try to be more thread-safe otherwise by locking calls to the library. 2007-09-28, Version 4.1.2 * apcups plugin: Fix reporting of the `load percent' data. * wireless plugin: Correct the handling of cards returning signal and noise quality as percentage. * perl plugin: Fix a possible buffer overflow in get_module_name(). * build system: Further improve the detection of libraries. * netlink plugin: Build issues under some older versions of the Linux includes (i. e. Debian Sarge) have been fixed. * snmp plugin: Fix a potential segfault when a host times out. Add support for the `timeticks' type. 2007-09-12, Version 4.1.1 * Build system: The detection of `libnetlink' has been improved. * collectd: The documentation has been fixed in numerous places. * exec plugin: Setting the group under which to run a program has been fixed. * collectd: The `sstrerror' function was improved to work correctly with the broken GNU version of `strerror_r'. * collectd: Write an error message to STDERR when loading of a plugin fails. * apcups plugin: Fix the `types' used to submit the values: They still has an `apcups_' prefix which doesn't work anymore. * rrdtool plugin: Create new RRD-files with the `begin' time set to whatever the client thinks is `now'.. 2007-09-01, Version 4.1.0 * Build system: The build system has been changed to automatically disable all plugins, which are missing dependencies. The dependency checking has been removed from the plugins themselves to remove redundancy. * Flexible interval: The interval of collected data is now sent along with the data itself over the network, so that the interval-settings of server and clients no longer needs to match. * netlink plugin: The new `netlink' plugin connects to the Linux kernel using a netlink socket and uses it to query information about interfaces, qdiscs and classes. * rrdtool plugin: The cache is now dumped to disk in an extra thread to not block data collection. * snmp plugin: The new `snmp' plugin can read values from SNMP enabled network devices, such as switches, routers, thermometers, rack monitoring servers, etc. The collectd-snmp(5) manpage documents this plugin. * unixsock plugin: Added the `LISTVAL' command. * xmms plugin: The new `xmms' plugin graphs the bitrate and frequency of music played with xmms. 2007-09-28, Version 4.0.9 * apcups plugin: Fix reporting of the `load percent' data. * wireless plugin: Correct the handling of cards returning signal and noise quality as percentage. * perl plugin: Fix a possible buffer overflow in get_module_name(). 2007-09-12, Version 4.0.8 * collectd: The `sstrerror' function was improved to work correctly with the broken GNU version of `strerror_r'. * collectd: Write an error message to STDERR when loading of a plugin fails. * apcups plugin: Fix the `types' used to submit the values: They still has an `apcups_' prefix which doesn't work anymore. * rrdtool plugin: Create new RRD-files with the `begin' time set to whatever the client thinks is `now'.. 2007-08-26, Version 4.0.7 * documentation: Some typos have been fixed and some information has been improved. * build system: Many fixes for detecting libraries in unusual places, such as on RedHat systems. The affected libraries are `libcurl', `libmysql', and `libupsclient'. * network plugin: Allow the `Port' option to be specified as a number (i. e. without quotes). * nut plugin: A fix allows linking the nut plugin against libupsclient, version >= 2.2.0. * processes plugin: Fix a potential segmentation fault. 2007-07-30, Version 4.0.6 * sensors plugin: Fix the ignorelist functionality: Only the `type instance' was used to match against the list, but the documentation told otherwise. This release fixes the code, so it complies with the documentation. * syslog plugin: Call `openlog' right when the plugin is loaded, so configuration messages will end up in the logging facility. * conrtib/fedora: The contributed specfile for Fedora has been updated. 2007-07-05, Version 4.0.5 * Portability: More fixes for OpenBSD have been included. 2007-06-24, Version 4.0.4 * cpu plugin: Fixed the Solaris code. * dns plugin: Fixed a build issue for OpenBSD. * interface plugin: Fixed the Solaris code. * load plugin: Fixed the alternative `/proc' Linux code. * memory plugin: Fixed the Solaris code. * oconfig: Don't require `-lfl' anymore. 2007-06-19, Version 4.0.3 * cpu plugin: Fix the Darwin / Mac OS X code. * ping plugin: Use the return value of `getpid', not its address. * csv, rrdtool plugin: Fixed a bug that prevented an buffer to be initialized correctly. * configure: Added `--with-nan-emulation' to aid cross compilation. 2007-06-12, Version 4.0.2 * hddtemp and ntpd plugin: Corrected the parsing of port numbers when they're given in numerically form. 2007-06-07, Version 4.0.1 * iptables plugin: A bug in the configuration routine has been fixed. Setting a comment in the configfile will no longer cause a segmentation fault. 2007-06-03, Version 4.0.0 * collectd: The plugin-infrastructure has been changed to allow for more types of plugins, namely `write' and `log' plugins. * collectd: The read-function has been changed to read many plugins in parallel, using threads. Thus, plugins generally need to use thread-safe functions from now on. * collectd: The '-t' command line options allows to perform syntax tests of the configuration file and exit immediately. * csv plugin: The new `csv' plugin handles output to `comma separated values'-files. * rrdtool plugin: The new `rrdtool' plugin handles output to RRD-files. Data can be cached to combine multiple updates into one write to increase IO-performance. * network plugin: The new `network' plugin handles IO via the network. It implements a different, much more extensible protocol which can combine many values in one packet, decreasing the number of UDP- packets being sent. It can read from and send to the network and with the appropriate configuration even forward packets to other networks. * unixsock plugin: The new `unixsock' plugin provides an interface to communicate with the daemon while it is running. Right now the commands `GETVAL' and `PUTVAL' are implemented, but more are to come. * perl plugin: The new `perl' plugin allows you to write extensions for collectd in the scripting-language Perl. * logfile plugin: The new `logfile' plugin writes logmessages to files or STDOUT or STDERR. * syslog plugin: The new `syslog' plugin sends logmessages to the system's syslog daemon. * entropy plugin: The new `entropy' plugin collects the amount of entropy currently being available to the system. * exec plugin: The new `exec' plugin forks child processes and reads back values provided by the forked processes. * iptables plugin: The new `iptables' plugin reads counters from iptables rules. Thanks to Sjoerd van der Berg for contributing this plugin. * irq plugin: The new `irq' plugin collects the IRQ-counters. Thanks to Peter Holik for contributing this plugin. * nut plugin: The new `nut' plugin connects the upsd of the `network ups tools' and reads information about the connected UPS. * apache plugin: Support for lighttpd's `BusyServers' (aka. connections) field was added by Florent Monbillard. * collectd-nagios: The new `collectd-nagios' binary queries values from collectd, parses them and exits according to Nagios-standards. * manpages: The manpages have been improved a lot. 2007-09-28, Version 3.11.7 * wireless plugin: Correct the handling of cards returning signal and noise quality as percentage. 2007-08-31, Version 3.11.6 * processes plugin: Fix a potential segmentation fault. 2007-05-29, Version 3.11.5 * configure: Added `AC_SYS_LARGEFILE' for LFS. * ntpd plugin: Fix a potential buffer overflow. * processes plugin: Fix a bug when run under Linux 2.4. All processes were accounted as `zombies'. 2007-04-10, Version 3.11.4 * dns plugin: Change the order of includes to make the plugin compile under FreeBSD. 2007-03-30, Version 3.11.3 * configure: Have the configure-script define `HAVE_LIBKSTAT' instead of the unused `COLLECT_KSTAT'. 2007-02-11, Version 3.11.2 * plugin: Catch NULL-pointer and try to fix them. Otherwise the NULL-pointer may have been passed to `printf' which causes a segfault with some libcs. 2007-02-10, Version 3.11.1 * df plugin: Some wrong defines have been fixed so the plugin works under Solaris again. * dns plugin: The usage of a struct has been fixed to work with non-GNU libcs. * processes plugin: Some missing defines have been added so the plugin compiles cleanly under FreeBSD and presumably other UNIXes. 2006-12-22, Version 3.11.0 * collectd: The new command line option `-P' makes it easier for distributors to change the location of PID-files. * collectd: The daemon shuts down faster now which makes it easier to write init.d-scripts for it. * apache plugin: Increase the buffersize to 16k, because the 4k buffer caused problems every now and then. * df plugin: New config options allow to ignore certain mountpoints, filesystem types or devices. * dns plugin: The new dns plugin uses `libpcap' to capture DNS traffic and interprets it. It collects traffic as well as qtype, opcode and rcode counts. * email plugin: Sebastian Harl has contributed this plugin which counts received mails in categories (e. g. ham, spam, virus), spam score (as given by SpamAssassin) and check types. * mbmon plugin: Flavio Stanchina has contributed this plugin which uses `mbmon' to gather information from sensors on the motherboard. * processes plugin: Collect detailed statistics for configured processes, that's process and thread count, CPU usage, resident segment size and pagefaults. * multimeter plugin: Peter Holik contributed a new plugin which queries multimeters. * sensors plugin: Lubos Stanek has put much effort into improving this plugin, including `extended naming', collection of voltage values and the possibility to ignore certain values. 2006-12-21, Version 3.10.4 * Max Kellermann has identified a bug in the server routine: When opening a socket fails the daemon will (re)try opening the socket in an endless loop, ultimately leading to a `EMFILE' error. 2006-11-04, Version 3.10.3 * Lubos Stanek has identified a bug in the ntpd-plugin: When the ntpd's reply was sent in more than one packet, the buffer size was calculated incorrectly, resulting in the reading of uninitialized or freed memory. 2006-11-01, Version 3.10.2 * The sample config file has been improved. * Errors in the manpages have been corrected. * The ping-plugin now adds hosts during initialization, not during startup. This speeds up startup when no network connectivity is available. Also, the hosts are being added later when the network is available. * Improved BSD-support for the df-plugin. * Fixed syntax errors in the swap-plugin for Mac OS X. * Fix a wrong structure being passed to `getnameinfo' in the ntpd- plugin. * Don't disable the mysql-plugin if connecting to the database fails during initialization. Instead, try again in increasing intervals. 2006-07-19, Version 3.10.1 * A bug in the apcups plugin was fixed: Is the plugin is loaded, but the apcups cannot be reached, unconnected sockets will pile up and eventually lead to `Too many open files' errors. 2006-07-09, Version 3.10.0 * The `disk' plugin has been ported to Darwin. * The `battery' plugin should work on many Apple computers now. * The `traffic' plugin can now ignore certain interfaces. Also, statistics for sent/received packets and errors have been added. * A plugin to monitor APC UPSes using `apcupsd' has been added. Thanks to Anthony Gialluca for contributing this plugin and providing me with a test environment :) * A plugin for monitoring an NTP instance and the local clock drift has been added. 2006-06-25, Version 3.9.4 * The Solaris code in the `swap' plugin has been changed to reflect the numbers returned by `swap -s'. Thanks to Christophe Kalt for working this out. * The debugging system has been fixed to work with the Sun libc. * When built without librrd the variable `operating_mode' could be uninitialized. Thanks to David Elliot for reporting the bug. 2006-06-01, Version 3.9.3 * Fixed the ping-plugin under FreeBSD and Mac OS X. Potentially other operating systems also profit from the changes, but I wasn't able to check that. * Changed the build system to find the netinet-includes under FreeBSD and therefore successfully build the `liboping' library there. 2006-05-09, Version 3.9.2 * Applied a patch to the `liboping' library. Due to a bug in the sequence checking the `ping' plugin stopped working after approximately 7.6 days. 2006-05-09, Version 3.8.5 * Applied a patch to the `liboping' library. Due to a bug in the sequence checking the `ping' plugin stopped working after approximately 7.6 days. 2006-04-21, Version 3.9.1 * Build issues with Solaris and possible other architectures have been resolved. * Problems when building the `apache'-plugin without `libcurl' have been resolved. * A bug in the `ping' plugin has been fixed. Sorry folks. 2006-04-02, Version 3.9.0 * A plugin to monitor the Apache webserver has been added. <http://httpd.apache.org/> * A plugin to collect statistics about virtual servers using VServer. <http://linux-vserver.org/> Thanks to Sebastian Harl for writing this plugin :) * A plugin for wireless LAN cards has been added. It monitors signal strength, link quality and noise ratio.. * A plugin for Apple hardware sensors has been added. * An option to compile collectd with different `step' and `heartbeat' settings has been added. The size of RRAs is no longer static but calculated based on the settings for `step' and `width'. * The `ping' plugin can now be configured to use a certain TTL. * A plugin to monitor the hardware sensors of Apple computers has been added. * The plugins `cpu', `memory', `processes' and `traffic' have been ported to Mach/Darwin (Mac OS X). * The `log mode' has been contributed by Christophe Kalt. It writes the data into text files rather than RRD files. 2006-04-09, Version 3.8.4 * Applied patch by Vincent Stehlé which improves the disk-name resolution in the `hddtemp' plugin for Linux systems. 2006-04-02, Version 3.8.3 * Applied a patch by James Byers: The MySQL plugin was not working with MySQL 5.0.2 or later. 2006-03-14, Version 3.8.2 * `utils_mount.c' has been changed to not use the `MNTTAB' defined by the GNU libc, because it points to `/etc/fstab' rather than `/etc/mtab'. 2006-03-13, Version 3.8.1 * Fixes for building collectd under FreeBSD, Mac OS X and Solaris. * Fixes in the debian `postinst' and `init.d' scripts. 2006-03-09, Version 3.8.0 * The `ping' plugin no longer uses `libping' but a self written library named `liboping'. With this library it's possible to ping multiple IPv4 and IPv6 addresses and hostnames - in parallel. 2006-02-18, Version 3.7.2 * A simple bug in the `battery' plugin has been fixed. It should now work with ACPI based batteries as well. Thanks to Sebastian for fixing this. * Fixing a bug that prevented collectd to be built without librrd. Thanks to Werner Heuser for reporting it. 2006-02-04, Version 3.7.1 * The new network code has been improved to build with older versions of glibc. * Fix in `libping' sets the ICMP sequence on outgoing packets. Thanks to Tommie Gannert for this patch. 2006-01-30, Version 3.7.0 * The `battery' plugin has been added. It collects information about laptop batteries.. * The MySQL plugin has been improved: It now writes two more RRD files, `mysql_qcache.rrd' and `mysql_threads.rrd'. * The `cpufreq' plugin now reads another file since the file it did read so far causes much overhead in the kernel. Also, you need root to read the old file, but not to read the new one. * The `hddtemp' plugin can now be configured to connect to another address and/or port than localhost. * The `df' plugin now prefers `statvfs' over `statfs'. * The network code has been rewritten. collectd now supports unicast and multicast, and IPv4 and IPv6. Also, the TTL of sent packages can be set in the configfile. 2006-01-24, Version 3.6.2 * Due to a bug in the configfile handling collectd wouldn't start in client mode. This released fixes this. 2006-01-20, Version 3.6.1 * Due to a bug in `configure.in' all modules and the binary were linked against `libmysqlclient'. This issue is solved by this release. 2006-01-17, Version 3.6.0 * A config file has been added. This allows for loading only specific plugins. * A `df' plugin has been added. * A `mysql' plugin has been added. * The `ping' plugin doesn't entirely give up hope when a socket error occurred, but will back of and increase the intervals between tries. 2006-01-21, Version 3.5.2 * Fixed yet another bug in the signal handling.. Stupid typo.. * Improved the ping plugin to not give up on socket errors (backport from 3.6.0). 2005-12-18, Version 3.5.1 * The PID-file is now deleted correctly when shutting down the daemon. * SIGINT and SIGTERM are now handled correctly. 2005-12-16, Version 3.5.0 (Revision 326) * A bug in the `load' module under Solaris has been fixed. * The `users' module has been contributed by Sebastian Harl. It counts currently logged in users. * The CPU module now works under FreeBSD without the use of `libstatgrab', however SMP support is missing. * The default directories for the RRD files and the PID file now depend on the compile time setting of `localstatedir'. 2005-11-15, Version 3.4.0 (Revision 236) * A PID-file is written to /var/run upon startup. Thanks to `Tommie' from gentoo's bugzilla for writing the patch. * The build dependency for librrd has been removed. Binaries built without librrd are client-only and will multicast their value as with the `-c' argument. * A patch by Peter Holik adds a module for monitoring CPU frequencies. * The newly introduced `-f' switch prevents daemon initialization (forking, closing standard filehandles, etc.) Thanks to Alvaro Barcellos for this patch. 2005-11-04, Version 3.3.0 (Revision 216) * New modules have been added: - `serial', for monitoring traffic on the serial interfaces - `nfs', for graphing NFS procedure calls - `tape', traffic from/to tape devices * The memory.rrd now accepts more than 4Gig of memory. 2005-10-26, Version 3.2.0 (Revision 200) * Support for graphing the processes has been added (thanks to Lyonel Vincent) * If reading from hddtemp fails collectd will increase the time between polls up to one day. * The init.d files have been improved. * Problems with the spec file have been fixed. 2005-10-16, Version 3.1.0 (Revision 194) * Added the `setsid' syscall to the startup code. * Support for hddtemp has been added (thanks to Vincent Stehlé) 2005-09-30, Version 3.0.0 (Revision 184) * The ability to send/receive data to/from the network (think multicast) has been added. * Modules have been split up into shared libraries can be loaded at runtime. The biggest advantage is that the core program doesn't need to be linked against an external library. * A patch by George Kargiotakis has been applied: It fixes the sensors behaviour then more than one sensor is being queried. 2005-09-16, Version 2.1.0 (Revision 172) * A module for swap statistics has been added. 2005-09-09, Version 2.0.0 (Revision 135) * Filenames can no longer be configured at program startup. The only options as of this version are the directory and ping hosts. * CPU statistics now include Wait-IO. If provided under Linux IRQ and Soft-IRQ statistics are added to `System'. * Diskstats now collect read and write bytes, not sectors. * Ping statistics can now be collected for more than one host. There is no default any more: If no host is given no host will be pinged. * A self-written patch for libping has been applied so it builds cleanly. 2005-09-01, Version 1.8.1 (Revision 123) * Much improved configure-script: libraries and features may now be disabled. * More detailed warnings/error messages when RRD update fails. 2005-08-29, Version 1.8.0: * Support for collecting disk statistics under Solaris. 2005-08-25, Version 1.7.0: * Support for libstatgrab[1] for load, memory usage and network traffic. CPU- and disk-usage are not (yet) supported, since libstatgrab returns insufficient information. I will contact the authors. * Improved the CPU-initialization code for Solaris. Apparently CPUs aren't necessarily counted linear which is now handled correctly. [1]: http://www.i-scream.org/libstatgrab/ 2005-08-21, Version 1.6.0: * Basic support for Solaris: System load and cpu-usage can be collected under Solaris, too. Other stats will follow later. * Many fixes in the autoconf-script * Collection/Museum scripts have been added under contrib/museum * collectd may now be started in unprivileged mode, though ping statistics will not work. 2005-07-17, Version 1.5.1: * Diskstats-RRDs now use major/minor for naming. Some systems have weird strings as disk-names.. 2005-07-17, Version 1.5: * A new module, diskstats, has been added. It collects information about the disks and partitions. 2005-07-11, Version 1.4.2: * The meminfo module has been changed to work with more platforms and/or kernel versions. 2005-07-10, Version 1.4.1: Correct traffic stats * The traffic rrd-file is now created with DS-type `COUNTER' which I forgot to correct when I changed that module. 2005-07-09, Version 1.4: More traffic stats * Traffic is now collected for all interfaces that can be found * Temperature-statistics are read from lm-sensors if available 2005-07-08, Version 1.3: CPU stats * Collecting CPU statistics now 2005-07-12, Version 1.2: Using syslog * collectd is now using the syslog facility to report errors, warnings and the like.. * The default directory is now /var/db/collectd 2005-07-10, Version 1.1: Minor changes * Nothing really useful to say ;) 2005-07-09, Version 1.0: Initial Version * The following modules are provided: * Load average * Ping time * Traffic * Memory info
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