Version 5.4

List-of-versions

Version 5.4 has been released on Sunday, August 18^th 2013. The newest release is 5.4.3 which as been released on Tuesday, July 26^th 2016. Support for this version has ended.

Changes

Release 5.4.0

Released on Sunday, August 18^th, 2013.

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.

Release 5.4.2

Released on Thursday, February 26^th 2015.

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 plugin has been documented. Thanks to Micha Krause. #907
Documentation: The Write Redis plugin has been documented. Thanks to Marc Fournier.
Documentation: The GraphiteSeparateInstances and GraphiteAlwaysAppendDS options of the AMQP plugin have been documented. Thanks to Marc Fournier.
Documentation: Documentation of the AutoLoadPlugin option has been improved. Thanks to Florian Forster. #715
Aggregation plugin: utils_vl_lookup: A race when creating user objects has been fixed. Thanks to Sebastian Harl. #535
CPU plugin: 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 plugin: A bug, which triggered when two URLs with a long common prefix were configured, was fixed. Thanks to Marc Fournier. #582
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
IPMI plugin: A conflict with the Java plugin over the SIGUSR2 signal has been fixed. Thanks to Vincent Bernat. #114
Java plugin: Conversion from Java's time representation to collectd's representation has been fixed. Thanks to Manuel Luis Sanmartín Rozada.
Java plugin: 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 plugin: Support for recent versions of gcrypt has been added. Thanks to Vincent Bernat. #632
Network plugin: Robustness of the client connecting behavior has been improved. Thanks to Florian Forster. #627
Python plugin: Don't create empty meta_data_t objects. Thanks to Florian Forster. #716
Python plugin: Fix Py list length check in cpy_build_meta(). Thanks to Yoga Ramalingam.
Python plugin: 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 plugin: Fix a memory leak. Thanks to Marc Fournier and Pierre-Yves Ritschard. #610, #804
StatsD plugin: Support for samplerates in timer metrics was added. Thanks to John Leach. #461
Swap plugin: Fix behavior under OpenVZ by making cached optional. Thanks to Florian Forster. #733
Threshold plugin: Population of the time field in notifications has been added. Thanks to Manuel Luis Sanmartín Rozada.
libvirt plugin: Only gather stats for running domains. Thanks to Ruben Kerkhof.
LVM plugin: An issue with Volume Groups (VGs) without Logical Volumes (LVs) has been fixed. Thanks to Jan Kundrát.
Write Graphite plugin: Escape characters not supported by Graphite. Thanks to Pierre-Yves Ritschard and Marc Fournier.
Write HTTP plugin: Make callback names context-dependent. Thanks to Marc Fournier. #821
Write Redis plugin: A formatting bug, which resulted in totally unusable numbers being transmitted to Redis, was fixed. Thanks to Marc Fournier.
Write Riemann plugin: Receive acknowledge message when using TCP. Thanks to John-John Tedro.

Release 5.4.3

Released on Tuesday, July 26^th 2016.

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.

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Version 5.4

Changes

Release 5.4.0

Release 5.4.2

Release 5.4.3

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