-2009-10-04, Version 4.8.0
+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
+
+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).
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 hit
+ “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
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.
2008-07-15, Version 4.4.2
* build system: Use pkg-config to detect the upsclient library.
- * collectd: Try even harder to determine the endianess of the
+ * 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.
2008-08-30, Version 4.3.4
* Build system: Improved detection of and linking with the statgrab
library.
- * collectd: Portability fixes, especially to determine endianess more
+ * 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