+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!