+2017-11-17, Version 5.8.0
+ * collectd: The core daemon is now completely licensed under the MIT
+ license.
+ * collectd: Added daemon option to avoid making BaseDir. Thanks to
+ Nathaniel Wesley Filardo and Florian Forster. #2422
+ * collectd: Global variables have been moved to their own module to make
+ porting collectd easier. Thanks to Sean Campbell. #2467
+ * collectd as well as Apache, memcached, OpenLDAP, Perl, RouterOS, SNMP,
+ Tail-CSV plugins: Free userdata for "plugin_register_complex_read()".
+ Thanks to Pavel Rochnyack. #2349
+ * Collectd client library: Added parsing and server code. Thanks to
+ Florian Forster. #2258
+ * Build system: Dependency on libltdl has been removed, support for
+ libtool 1 has been dropped. Thanks to Ruben Kerkhof. #1898
+ * Build system: The build system has been switched to non-recursive
+ make. Thanks to Ruben Kerkhof. #2085
+ * APC UPS plugin: The plugin's configuration is now optional. Without a
+ "<Plugin />" block reasonable defaults will be used. Thanks to Pavel
+ Rochnyack. #2351
+ * Chrony plugin: Several issues found when working with a stratum-1
+ server have been fixed. Thanks to Miroslav Lichvar. #2190
+ * Ceph plugin: Support for the Ceph version "Luminous" has been added.
+ Thanks to Aleksei Zakharov. #2464
+ * CPU plugin : Linux-specific "guest" states have been added. Thanks to
+ Xavier G. #2439
+ * cURL plugin, cURL-JSON, cURL-XML, DBI, FileCount, memcachec, Oracle,
+ PostgreSQL, Table, Tail, Tail CSV plugins: The ability to configure
+ the "plugin" field of generated metrics has been added. Thanks to
+ Pavel Rochnyack. #1944, #1681, #1558
+ * cURL-JSON plugin: Parsing of arrays has been fixed. Thanks to Florian
+ Forster. #2281
+ * DPDKEvents plugin: This new plugin reports link status and keep alive
+ events. Thanks to Maryam Tahhan, Harry van Haaren, Serhiy Pshyk,
+ Kim-Marie Jones, Krzysztof Matczak, Przemyslaw Szczerbik, Christian
+ Ehrhardt and Luca Boccassi. #2157, #2348, #2400, #2405, #2417
+ * DPDKStat plugin: The plugin has been refactored to make DPDK related
+ utility functions reusable. Thanks to Krzysztof Matczak, Przemyslaw
+ Szczerbik, Christian Ehrhardt and Luca Boccassi. #2130, #2348, #2400,
+ #2405, #2417
+ * DPDKStat plugin: The "LogLevel" and "RteDriverLibPath" config options
+ have been added. Thanks to Jiri Prokes. #2505
+ * Email plugin as well as Exec and Unixsock plugins: Use
+ "_SC_GETPW_R_SIZE_MAX". Thanks to Florian Forster. #2451
+ * FileCount plugin: Custom values for reported plugin, type and type
+ instance. Thanks to Pavel Rochnyack. #1979
+ * GenericJMX plugin: Support for "AtomicInteger" and "AtomicLong" has
+ been added. Thanks to Pierre Mauduit. #2158
+ * gRPC plugin: Support for meta data has been added. Thanks to Taylor
+ Cramer. #2378
+ * IPC plugin: Fixed failed compilation on AIX. Thanks to Pavel
+ Rochnyack. #2357
+ * Intel PMU plugin: This new plugin collects CPU performance metrics
+ using Intel's Performance Monitoring Unit (PMU). Scaling information
+ added to metadata. Thanks to Serhiy Pshyk and Roman Korynkevych.
+ #2276, #2398, #2374
+ * Intel RDT plugin: Support for collectd's logging infrastructure has
+ been added. PQoS monitoring groups are being reset on start-up to fix
+ potential previous unclean shutdowns. Thanks to Roman Korynkevych.
+ #2089.
+ * IPMI plugin: Support for System Event Log (SEL) has been added. Thanks
+ to Roman Korynkevych. #2091
+ * IPMI plugin: Support for remote IPMI controllers has been added.
+ Thanks to Pavel Rochnyack. #2024
+ * LVM plugin: A check for the "CAP_SYS_ADMIN" capability has been added.
+ This will give users an informative warning when the process is not
+ running with the required privileges for this plugin. Thanks to
+ Florian Forster. #2426, #2499
+ * mcelog plugin: This new plugin subscribes to Machine Check Exceptions
+ (MCE) and dispatches notifications. Metadata reset. Thanks to Maryam
+ Tahhan, Volodymyr Mytnyk, Taras Chornyi, Krzysztof Matczak and Roman
+ Korynkevych. #2003, #2246, #2380
+ * MQTT plugin: Add support for TLS in "Subscriber" blocks. Thanks to
+ Florian Forster. #2434
+ * memcached plugin: Persistent connections have been implemented. Fix
+ hit ratio reporting, add connections rate report. Thanks to Pavel
+ Rochnyack. #2388, #2385
+ * memcached plugin: The type of the "listen_disabled" metric has been
+ changed to "total_events". Thanks to Florian Forster. #2386, #2468
+ * Netlink plugin: The dropped packets metric has been added. Thanks to
+ Denys Fedoryshchenko. #2053
+ * NFS plugin: Support for NFS 4.2 metrics has been added. Thanks to
+ Marek Becka. #2369
+ * NFS plugin: Config options to ignore specified NFS versions have been
+ added. Thanks to Christian Bartolomäus. #2430
+ * NUT plugin: The "ConnectTimeout", "ForceSSL", "VerifyPeer" and
+ "CAPath" options have been added. Thanks to Pavel Rochnyack and Steven
+ Bell. #2145, #2354
+ * OpenLDAP plugin: A segfault after a connection failure has been fixed.
+ Thanks to Pavel Rochnyack. #2377
+ * Openvpn plugin: Added support for status files from latest OpenVPN-2.4
+ and possible from future versions. Thanks to Pavel Rochnyack. #2352
+ * OVS Events plugin: This new plugin reports link state changes from
+ Open vSwitch (OVS). Thanks to Volodymyr Mytnyk. #1971
+ * OVS Stats plugin: This new plugin reports bridge / interface
+ statistics from Open vSwitch (OVS). Thanks to Volodymyr Mytnyk and
+ Taras Chornyi. #2137
+ * Perl plugin: Bugfix, added check of proper interpreter initialization.
+ Thanks to Pavel Rochnyack. #2391
+ * PostgreSQL plugin: The plugin now sets the "application_name"
+ parameter when connecting to the database. Thanks to daniacs. #2497
+ * Processes plugin: The I/O operations reported for selected processes
+ has been fixed. The metric "ps_disk_octets" has been renamed to
+ "io_octets" because it actually contains the number of I/O operation
+ by the process, not just disk related I/O. Same for "io_ops"
+ (previously "ps_disk_ops"). The new metric "disk_octets" has been
+ added and is reporting disk I/O only. Add option to collect the count
+ of active memory maps for Linux processes. The "CollectFileDescriptor"
+ and "CollectContextSwitch" options have been added. Thanks to Pavel
+ Rochnyack and to Wilfried Goesgens. #2232, #2454, #1989
+ * Processes and TCPConns plugins: The OpenBSD implementation has been
+ changed to use "kvm_openfiles" with "KVM_NO_FILES". Thanks to Jeremie
+ Courreges-Anglas. #2061
+ * Python plugin: Extend Notification class to include metadata. Thanks
+ to Volodymyr Mytnyk. #2135
+ * Python plugin: The "CollectdException" class has been added. This
+ allows to throw an exception without a stack trace being logged.
+ Thanks to Sven Trenkel. #2330, #2346
+ * Sensors plugin: Support for (electrical) current has been added.
+ Thanks to Clemens Gruber. #2255
+ * SNMP plugin: Error handling has been improved: a potential double-free
+ is now avoided (potentially leaking memory) and handling of
+ non-failing subtrees has been fixed. Thanks to Pavel Rochnyack. #2449
+ * SNMP plugin: The "Timeout" and "Retries" config options have been
+ added. Thanks to Carlos Vicente. #1472, #2488
+ * SNMP Agent plugin: This new plugin implements an SNMP AgentX subagent
+ that receives and handles queries from SNMP master agent and returns
+ configured metrics. Thanks to Roman Korynkevych, Serhiy Pshyk and
+ Pavel Rochnyack. #2105, #2362
+ * Synproxy plugin: This new plugin provides statistics for Linux
+ SYNPROXY. Thanks to Marek Bečka. #2381
+ * Tail plugin: Allow the calculation of several distributions in one
+ "tail" instance through a "bucket" type. Thanks to Pavel Rochnyack.
+ #2442
+ * Turbostat plugin: Import "msr-index.h" header from Linux and better
+ support for mutliple packages. Thanks to Vincent Brillault. #2445,
+ #2446
+ * Uptime plugin: Changed implementation to read from "/proc/uptime"
+ instead of "/proc/stat". Update for Linux and AIX, uptime is read
+ directly using a system call. Update for BSD and Solaris, uptime is
+ calculated by subtracting boot time from current time. Thanks to Ivan
+ Kurnosov and Marcin Jurkowski. #2431, #2034
+ * UUID plugin: Support for libhal has been removed. Thanks to Ruben
+ Kerkhof. #2080
+ * Varnish plugin: Extended the varnish plugin with varnish-plus
+ counters. Fixed invalid data source type. Thanks to Denes Matetelki.
+ #2453, #2463
+ * virt plugin: The plugin has been updated to use
+ "virConnectListAllDomains()". Thanks to Denis Silakov. #2051
+ * virt plugin: Support for domain tags has been added. Thanks to
+ Francesco Romani. #2048
+ * virt plugin: Connection handling has been improved. Thanks to
+ Francesco Romani. #2100, #2101
+ * virt plugin: Many metrics have been added, including disk, hypervisor
+ CPU usage, performance monitoring events, domain state, CPU pinning
+ (affinity), file system, and job statistics. Thanks to Francesco
+ Romani and Przemyslaw Szczerbik. #2103, #2175, #2168
+ * Write Graphite plugin: Additional tests have been added. Thanks to
+ Florian Forster.
+ * Write HTTP plugin: The "Attribute" and "TTL" options for the KairosDB
+ format have been added. Implementation of "Prefix" option. Thanks to
+ jaroug, Denis Pompilio and Pavel Rochnyack. #2199, #2252, #2482
+ * Write MongoDB plugin: Memory leaks have been fixed. Thanks to
+ Saikrishna Arcot. #2307
+ * Write Prometheus plugin: Label values are now properly escaped. Thanks
+ to Florian Forster. #2035
+ * Write Redis plugin: Add "max_set_duration" to set duration for value.
+ Thanks to Tomofumi Hayashi. #2440
+ * Write Riemann plugin: Export times with microsecond resolution. Thanks
+ to mcorbin. #2315
+ * Write TSDB plugin: The options "ResolveInterval" and "ResolveJitter"
+ have been added to control DNS lookup behavior. This prevents DNS
+ flooding in case TSDB is not available. Thanks to Yves Mettier and
+ Florian Forster. #2059
+ * ZFS ARC plugin: Header lines are now ignored in the Linux
+ implementation. Thanks to YmrDtnJu. #2097
+
+2017-06-06, Version 5.7.2
+ * Build system: The Notify Email plugin is no longer linked with
+ indirect dependencies. Thanks to Marc Fournier.
+ * collectd: A race condition when calculating a metric's rate has been
+ fixed. Thanks to Florian Forster. #1193
+ * AMQP, Exec, UnixSock, Write Kafka plugins: Parsing of the PUTVAL
+ command with multiple values has been fixed. Thanks to Florian
+ Forster. #2274
+ * AMQP plugin: The "ExchangeType" option is now also valid for
+ publishers. Thanks to Florian Forster. #2286
+ * BIND plugin: Fix parsing of the sample time provided by BIND.
+ Previously, the time was assumed to be in the local timezone when in
+ fact it was in UTC. Thanks to Ed Ravin. #1268
+ * BIND plugin: Memory leaks have been fixed. Thanks to Ruben Kerkhof.
+ #2303
+ * cURL-JSON plugin: Handling of arrays has been fixed. Thanks to Florian
+ Forster. #2266
+ * DPDKStat plugin: Error handling during initialization has been
+ improved. Thanks to Ruben Kerkhof.
+ * DPDKStat plugin: Handling of a number of metrics has been improved,
+ for example "rx_q0bytes". Thanks to Przemyslaw Szczerbik. #2167
+ * Intel RDT plugin: Configuration handling has been changed to be more
+ graceful. Thanks to Maryam Tahhan. #2165
+ * Log Logstash plugin: If writing the log entry fails, print it to
+ "STDERR" instead. Thanks to Marc Fournier.
+ * LogFile plugin: If writing to the file fails, print log messages on
+ "STDERR" instead. Thanks to Marc Fournier.
+ * memcachec, Tail plugins: A resource leak in the matching
+ infrastructure has been fixed. Thanks to Krzysztof Matczak. #2192
+ * MQTT plugin: Invalid symbols in topic names are now replaced and a
+ resource leak has been fixed. Thanks to Denys Fedoryshchenko. #2123
+ * Network plugin: A potential endless-loop has been fixed. This can be
+ triggered remotely by sending a signed network packet to a server
+ which is not set up to check signatures. Thanks to Marcin Kozlowski
+ and Pavel Rochnyack. #2174, #2233, CVE-2017-7401
+ * Perl plugin: A potential double-free has been fixed. Thanks to Florian
+ Forster. #2278
+ * Processes plugin: A compilation error on AIX has been fixed. Thanks to
+ Pavel Rochnyack. #2210
+ * SMART plugin: A check for the "CAP_SYS_RAWIO" capability has been
+ added. Thanks to Marc Fournier.
+ * Write Graphite plugin: Error handling in the case that calculating a
+ metric's rate fails has been improved. Previously, the raw counter
+ values were sent to Graphite. Thanks to Iain Buclaw. #2209
+ * Write Prometheus plugin: An incorrect use of "realloc(3)" has been
+ fixed. Thanks to Florian Forster. #2275
+
+2017-01-23, Version 5.7.1
+ * collectd: Handling of boolean configuration options has been unified.
+ Thanks to Sebastian Harl. #2083, #2098
+ * collectd: Reporting of internal statistics has been fixed. Thanks to
+ Florian Forster. #2108
+ * collectd, various plugins: Bugs and issues reported by scan-build and
+ coverity-scan have been fixed. Thanks to Ruben Kerkhof and Florian
+ Forster.
+ * Build system: Parallel build have been fixed. Thanks to Ruben Kerkhof.
+ #2110
+ * DPDKStat plugin: Portability issues and a double-close bug have been
+ fixed. Thanks to Ruben Kerkhof and Marc Fournier.
+ * Intel RDT plugin: A check for the libpqos library version has been
+ added. Thanks to Serhiy Pshyk.
+ * NetApp plugin: Compilation problems have been corrected. Thanks to
+ Florian Forster. #2120
+ * Write Prometheus plugin: A memory leak has been fixed. Thanks to Ruben
+ Kerkhof.
+
+2016-12-12, Version 5.7.0
+ * Documentation: The Turbostat plugin section has been improved. Thanks
+ to Florian Forster
+ * Documentation: The semantics of the "TypesDB" option have been
+ improved. Thanks to Florian Forster.
+ * collectd: A generic interface for parsing the text protocol has been
+ added. Thanks to Sebastian Harl. #1749
+ * collectd: Threads now get named, making them easier to track using
+ tools such as top, ps, etc. Thanks to Manuel Luis Sanmartín Rozada
+ and Marc Fournier. #547
+ * AMQP plugin, Write Graphite plugin, Write Kafka plugin: The new
+ "[Graphite]PreserveSeparator" option allows retaining the default dot
+ separator rather than escaping it. Thanks to Florian Forster. #419
+ * Battery plugin: A StateFS backend for gathering statistics has been
+ added. Thanks to Rinigus. #1795
+ * CPU plugin: CPU aggregation on AIX was fixed. Thanks to Chao Yang.
+ #1957
+ * Collectd::Unixsock: Fractional seconds support has been made more
+ robust. Thanks to Matthias Bethke. #2052
+ * DPDKStat plugin: This new plugin collects DPDK interface statistics.
+ Thanks to Maryam Tahhan, Harry van Haaren, Taras Chornyi and Kim
+ Jones. #1649
+ * gRPC plugin: The "DispatchValues" option has been renamed to
+ "PutValues". Thanks to Florian Forster.
+ * HDDTemp plugin: The 32 devices limit has been removed. Thanks to
+ Benjamin Gilbert. #631
+ * Hugepages plugin: This new plugin reports the number of used and free
+ hugepages on Linux. Thanks to Jaroslav Safka, Maryam Tahhan, Kim Jones
+ and Florian Forster. #1799
+ * Intel RDT plugin: This new plugin collects statistics exposed by
+ Intel's Resource Director Technology . Thanks to SerhiyX. #1970
+ * memcached plugin: The new "Address" option allows connecting to a
+ different server than specified by the "Host" option. Thanks to Pavel
+ Rochnyack. #1975
+ * nginx plugin: Support for reporting failed connections has been added.
+ Thanks to Pavel Rochnyack. #1609
+ * Perl plugin: Significant internal reworking has been made. The new
+ "RegisterLegacyFlush" option has been added. Thanks to Pavel
+ Rochnyack. #1731
+ * PostgreSQL plugin: Timestamps are now RFC 3339-formatted local time.
+ Thanks to Igor Peshansky and Dave Cunningham. #1918
+ * Processes plugin: Internal performance improvements have been made.
+ Thanks to Pavel Rochnyack. #1980, #1981
+ * RRDCacheD plugin: The plugin now tries to reconnect upon failed
+ operations. Thanks to Sebastian Harl. #1959
+ * SpamAssassin: The plugin can now run in Perl's "tainted mode" ("-T").
+ Thanks to Akos Vandra. #1962
+ * Tail plugin: Support for calculating latency distribution of matching
+ values has been added. Thanks to Pavel Rochnyack and Florian Forster.
+ #1700
+ * Tail plugin: The new "GaugePersist" option has been added. Thanks to
+ Florian Forster. #2015
+ * Target:Set, Target:Replace, Match:RegEx: MetaData support has been
+ added . Thanks to Igor Peshansky. #1922, #1923, #1930
+ * turbostat plugin: The new "LogicalCoreNames" option allows switching
+ to per-core naming rather than per-CPU. Thanks to Brock Johnson. #2056
+ * virt plugin: The new "BlockDeviceFormat" and
+ "BlockDeviceFormatBasename" options help controlling the names
+ reported for block-device metrics. Thanks to Deyan Chepishev. #2004
+ * Write Graphite plugin: A new "DropDuplicateFields" option has been
+ added. Thanks to Michael Leinartas. #1915
+ * Write Kafka plugin: The "Key Random" setting has been reintroduced.
+ Thanks to Florian Forster. #1977
+ * Write Log plugin: Support for formatting output in JSON has been
+ added, using the new "Format" configuration option. Thanks to Igor
+ Peshansky. #1924
+ * Write Prometheus plugin: This new plugin publishes values using an
+ embedded HTTP server, in a format compatible with Prometheus'
+ collectd_exporter. Thanks to Florian Forster. #1967
+
+2017-10-06, Version 5.6.3
+ * collectd: support for boolean string config values has been
+ reintroduced. Thanks to Sebastian Harl. #2083, #2098
+ * collectd: The capability checking has been changed to use
+ "cap_get_proc()". Thanks to Marc Fournier. #2151
+ * Documentation: A section documenting ignore lists has been added to
+ collectd.conf(5). Thanks to Florian Forster.
+ * AMQP plugin: The "ExchangeType" option is now also valid for
+ publishers. Thanks to Florian Forster. #2286
+ * Apache, Ascent, BIND, cURL, cURL-JSON, cURL-XML, nginx, Write HTTP
+ plugins: Handling of URLs that redirect elsewhere has been fixed.
+ Thanks to Pavel Rochnyack. #2328
+ * BIND plugin: Fix parsing of the sample time provided by BIND.
+ Previously, the time was assumed to be in the local time zone when in
+ fact it was in UTC. Thanks to Ed Ravin. #1268
+ * BIND plugin: Memory leaks have been fixed. Thanks to Ruben Kerkhof.
+ #2303
+ * Chrony plugin: Build flags have been fixed. Thanks to Thomas Jost and
+ Marc Fournier. #2133
+ * cURL-JSON plugin: The timeout value has been changed to default to the
+ collection interval. This fixes a regression. Thanks to Marc Fournier.
+ * cURL-JSON plugin: Handling of arrays has been fixed. Thanks to Florian
+ Forster. #2266
+ * DBI plugin: Memory leaks at shutdown have been fixes. Thanks to Pavel
+ Rochnyack and Florian Forster.
+ * E-Mail, Exec, UnixSock plugins: Group ID lookup on systems with many
+ groups has been fixed. Thanks to Ruben Kerkhof and Florian Forster.
+ #2208
+ * IPC plugin: A compilation error on AIX has been fixed. Thanks to Pavel
+ Rochnyack. #2305
+ * LogFile plugin: If writing to the file fails, print log messages on
+ "STDERR" instead. Thanks to Marc Fournier.
+ * Log Logstash plugin: If writing the log entry fails, print it to
+ "STDERR" instead. Thanks to Marc Fournier.
+ * memcachec, Tail plugins: A resource leak in the matching
+ infrastructure has been fixed. Thanks to Krzysztof Matczak. #2192
+ * MQTT plugin: Invalid symbols in topic names are now replaced and a
+ resource leak has been fixed. Thanks to Denys Fedoryshchenko. #2123
+ * Network plugin: A potential endless-loop has been fixed. This can be
+ triggered remotely by sending a signed network packet to a server
+ which is not set up to check signatures. Thanks to Marcin Kozlowski
+ and Pavel Rochnyack. #2174, #2233, CVE-2017-7401
+ * Network plugin: A use-after-free has been fixed. Thanks to Pavel
+ Rochnyack. #2375
+ * Notify Email plugin: The plugin is no longer explicitly linked against
+ libssl and libcrypto, relies on libesmtp being linked correctly.
+ Thanks to Marc Fournier. Debian#852924
+ * NTPd plugin: Calculation of loop offset and error has been fixed.
+ Thanks to Neil Wilson. #2188
+ * OpenLDAP plugin: An incorrect use of the ldap library, leading to a
+ crash, has been fixed. Thanks to Marc Fournier. #2331
+ * Perl plugin: A potential double-free has been fixed. Thanks to Florian
+ Forster. #2278
+ * Perl plugin: Print an error when an incorrect configuration is
+ encountered. Thanks to Pavel Rochnyack. #927
+ * RRDtool plugin: Incorrect handling of the flushes timeout option has
+ been fixed. Handling of the "RandomTimeout" has been fixed. Thanks to
+ Pavel Rochnyack. #2363
+ * SMART plugin: Some warning messages have been removed and the code has
+ been cleaned up. Thanks to Florian Forster. #2062
+ * SMART plugin: A check for the "CAP_SYS_RAWIO" capability has been
+ added. Thanks to Marc Fournier.
+ * SNMP plugin: A double free has been fixed. Thanks to Pavel Rochnyack.
+ #2291
+ * Write Graphite plugin: Error handling in the case that calculating a
+ metric's rate fails has been improved. Previously, the raw counter
+ values were sent to Graphite. Thanks to Iain Buclaw. #2209
+ * Write Kafka plugin: A 32 bit random number is now used when formatting
+ a random key. Thanks to Florian Forster. #2074
+
+
+2016-11-30, Version 5.6.2
+ * collectd: A compile error on AIX has been fixed: "MSG_DONTWAIT" is not
+ available on AIX. Thanks to Chao Yang.
+ * collectd: The capability checking has been rewritten to be more
+ portable. Thanks to Florian Forster. #2009
+ * collectd.conf(5): Various typos have been fixed. Thanks to Marc
+ Fournier.
+ * collectd-tg: Incorrect usage of "nanosleep()" has been fixed which
+ caused the tool to sleep (almost) indefinitely. Thanks to Florian
+ Forster.
+ * Build system: Detection of the Java environment has been made
+ deterministic to allow for reproducible builds. Thanks to Marc
+ Fournier. #1523
+ * Build system: Detection of the Lua headers has been improved. Thanks
+ to Ruben Kerkhof.
+ * APC UPS plugin: Unavailable metrics are now skipped instead of
+ reported as 0 (zero). Thanks to Florian Forster. #2025
+ * Modbus plugin: Build issues on FreeBSD have been fixed. Thanks to
+ Florian Forster.
+ * OpenVPN plugin: Gracefully handle empty configurations. Thanks to
+ Pavel Rochnyack. #1932
+ * PowerDNS plugin: The "recursor command" has been fixed so PowerDNS can
+ correctly parse all requested fields. Thanks to Ruben Kerkhof.
+ * Write Graphite and AMQP plugins: A bug that could lead to a missing
+ null-termination has been fixed. Thanks to Markus Linnala.
+ * Write HTTP plugin: A logic error when checking the correctness of the
+ data set has been fixed. Thanks to Pavel Rochnyack. #1996
+ * Write Kafka plugin: The "Key Random" config option has been fixed.
+ Thanks to Florian Forster. #1977
+ * Write Kafka plugin: Support for librdkafka 0.9.0 has been added.
+ Thanks to Florian Forster.
+ * Write Riemann plugin: Build issues on Solaris have been fixed. Thanks
+ to Florian Forster.
+ * ZFS ARC plugin: A duplicate metric has been removed. Thanks to Ruben
+ Kerkhof. #1963
+
+2016-10-07, Version 5.6.1
+ * Build system: Unnecessary linking of the Write Graphite plugin with
+ libyajl has been removed. Thanks to Marc Fournier.
+ Debian#839771, #1976
+ * collectd: A bug in the "FlushInterval" option that caused a
+ segmentation fault in the Write HTTP plugin has been fixed. Thanks to
+ Florian Forster. #1954
+ * Apache plugin: A syntax error has been fixed. Thanks to Florian
+ Forster.
+ * cURL-JSON plugin: A segmentation fault that occurred when handling
+ JSON with unexpected structure has been fixed. Thanks to Florian
+ Forster. #1896
+ * PostgreSQL plugin: Handling of "NULL" values in the "query_plans" and
+ "query_plans_by_table" queries has been fixed. Thanks to Bernd
+ Zeimetz. #1905
+ * RRDCacheD plugin: Reconnection behavior has been added. Thanks to
+ Sebastian Harl. Debian#657877
+ * VServer plugin: Use of a deprecated API ("readdir_r()") has been
+ fixed. Thanks to Sebastian Harl.
+ * Write Graphite plugin: Make default values configurable at compile
+ time again. Thanks to Florian Forster. #1953
+ * Write HTTP plugin: A bug has been fixed that lead to flush callbacks
+ being registered twice. Thanks to Florian Forster. #1955
+
+2016-09-11, Version 5.6.0
+ * Build system: An option to to avoid building the DF plugin against XFS
+ has been added. Thanks to Ruben Kerkhof. #1878
+ * Build system: Autoconf ≥ 2.60, a C99-capable compiler and pkg-config
+ are now required. Thanks to Ruben Kerkhof.
+ * Build system: Building with "-Werror" is now optional. Thanks to Ruben
+ Kerkhof. #1222
+ * Build system: Many compilation issues on non-Linux platforms have been
+ fixed, leading to wider plugin support. Thanks to Ruben Kerkhof,
+ Dagobert Michelsen, Havard Eidnes and Robert Viduya.
+ * Build system: The configuration summary now also ends up in
+ config.log. Thanks to Sebastian Harl.
+ * collectd: All command-line options now override global options from
+ the config file. Thanks to Sebastian Harl. #366
+ * collectd: A number of unit tests for commonly used functions have been
+ added. Thanks to Florian Forster.
+ * collectd: Plugins start up and read timeouts are now logged. Thanks to
+ Marc Fournier. #1293, #1254
+ * collectd: Support for a timeout has been added to "FLUSH" callbacks.
+ Thanks to Manuel Luis Sanmartín Rozada.
+ * collectd: The "-T" command line switch now reports more errors. Thanks
+ to Corey Kosak. #1642
+ * collectd: The max size of value list elements ("DATA_MAX_NAME_LEN")
+ has been doubled and is now configurable at build time. Thanks to Amy
+ Lin, Florian Forster and Radu Brumariu. #1120
+ * Set target: The "MetaData" option has been added. Thanks to Yves
+ Mettier and Kevin Bowling. #1106, #1656, #1913
+ * AMQP, Write_HTTP, Write_Kafka plugins: Support for libyajl < 2 has
+ been added. Thanks to Florian Forster.
+ * APC UPS plugin: Parsing of end markers has been fixed. Thanks to
+ Florian Forster #617
+ * APC UPS plugin: The "PersistentConnection" option has been added.
+ Thanks to Florian Forster #617
+ * ceph, DNS, Exec, IPTables, Ping, turbostat plugins: When running
+ unprivileged, these plugins will now warn about insuffiscient
+ permissions or capabilities(7). Thanks to Marc Fournier. #1530
+ * Chrony plugin: This new plugin collects NTP data from the chrony NTP
+ server. Thanks to Claudius Zingerli. #1548
+ * cpusleep plugin: This new plugin measures time spent by CPU in deep
+ sleep mode. Thanks to Rinigus. #1826
+ * CPU plugin: The "ReportNumCpu" option has been added. Thanks to Fabien
+ Wernli.
+ * cURL, cURL-JSON, cURL-XML plugins: The new "Statistics" reports
+ various per-HTTP connection timers. Thanks to Sebastian Harl. #1004
+ * DBI plugin: The "Interval" option has been added to "Database" blocks.
+ Thanks to Michal Bebjak.
+ * Disk plugin: Support for FreeBSD has been added. Thanks to Xin Li,
+ Brad Davis, Ruben Kerfhof and Kevin Bowling.
+ * Empty Counter match: Support for derives has been implemented. Thanks
+ to Florian Forster. #1813
+ * GenericJMX plugin: Support for TabularData and the "PluginName" option
+ have been added. Thanks to David Crane. #1290, #1291
+ * GPS plugin: This new plugin reports the number of sattelites seen by
+ and precision of a GPS receiver. Thanks to Nicolas Jourden. #1346
+ * gRPC plugin: This new client and server plugin allows sending and
+ receiving metrics using the gRPC protocol. Comparable to the UnixSock
+ plugin, but using TCP and TLS. Thanks to Sebastian Harl and Florian
+ Forster.
+ * Interface plugin: Reporting dropped packets has been added. Thanks to
+ Marc Falzon. #1555
+ * Interface plugin: The "ReportInactive" has been added, letting users
+ skip inactive network interfaces. Thanks to Rinigus. #1791
+ * Interface plugin: The new, Solaris-only "UniqueName" option has been
+ added. Thanks to Yoga Ramalingam. #1416
+ * Lua plugin: This new language binding allows writing plugins using the
+ Lua programming language. Thanks to Julien Ammous, Florian Forster and
+ Ruben Kerkhof.
+ * Memory plugin: Reporting of ARC memory on Solaris has been added.
+ Thanks to Brian ONeill.
+ * MQTT plugin: This new plugin sends metrics to and/or receives metrics
+ from an MQTT broker. Thanks to Marc Falzon, Jan-Piet Mens, Nicholas
+ Humfrey and Florian Forster. #805, #1124
+ * MySQL plugin: Connection to the database server can now be done over
+ SSL. Thanks to Brian Lalor. #1256
+ * MySQL plugin: Monitoring slow queries has been added. Thanks to skob.
+ #1773
+ * MySQL plugin: mysql_bpool_pages-flushed has been renamed to
+ mysql_bpool_counters-pages_flushed because the value is cumulative.
+ Thanks to Marek Becka.
+ * MySQL plugin: Support for Galera statistics has been added. Thanks to
+ Rachid Zarouali. #1849
+ * MySQL plugin: Support for InnoDB metrics was improved. Thanks to Aman
+ Gupta. #1111
+ * MySQL plugin: The "mysql_sort" type has been split into 3 different
+ types. Thanks to Pavel Rochnyack. #1592
+ * Network plugin: Decryption error logging has been improved. Thanks to
+ Pavel Rochnyack. #1735
+ * Notify Nagios plugin: This new plugin sends notifications to Nagios as
+ a passive check result. Thanks to Florian Forster.
+ * NTPd plugin: The plugin now detects if the ntp daemon reports
+ nanoseconds instead of microseconds. Thanks to Matwey V. Kornilov.
+ #1783
+ * OpenLDAP plugin: Several connection-related improvements have been
+ made. Thanks to Marc Fournier. #1308
+ * OpenLDAP plugin: Support for "simple authentication" has been added.
+ Thanks to Marek Becka. #1087
+ * Ping plugin: The "Size" option has been added, allowing the ICMP data
+ payload size to be configured. Thanks to Witold Baryluk. #1395
+ * PostgreSQL, DBI, Oracle plugins: The new "PluginInstanceFrom" option
+ has been added. Thanks to Pavel Rochnyack. #1707
+ * PowerDNS plugin: The recursor metrics have been updated to 3.7.3 and
+ missing rr types have been added. Thanks to Ruben Kerkhof.
+ * Processes plugin: Counting of context switches was added for Linux.
+ Thanks to Manuel Luis Sanmartín Rozada. #1036
+ * Processes plugin: Improve reliability of thread counts on Linux.
+ Thanks to Manuel Luis Sanmartín Rozada.
+ * Python plugin: Minimal Python version requirement has been bumped to
+ 2.6. Thanks to Ruben Kerkhof. #1864
+ * Redis plugin: Several additional metrics are now collected. Thanks to
+ Marc Falzon and Matteo Contrini. #1807, #1483
+ * Sensors plugin: The "UseLabels" option has been added. Thanks to
+ Christian Fetzer.
+ * SMART plugin: The new "IgnoreSleepMode" option has been added. Thanks
+ to Scott Talbert. #1770
+ * SMART plugin: The new "UseSerial" option allows identifying devices in
+ a stable way. Thanks to Scott Talbert. #1794
+ * SNMP plugin: The "IpAddress" can now be used for instances. Thanks to
+ Vincent Bernat. #1397
+ * StatsD plugin: Latency calculation histogram is now able to shrink
+ automatically to optimal size. Thanks to Pavel Rochnyack. #1622
+ * StatsD plugin: The "CounterSum" option has been added. Thanks to
+ Florian Forster. #929, #1282, #1311
+ * UUID plugin: The plugin now also looks in in smbios system table and
+ "/sys/class/dmi". Thanks to Ruben Kerkhof. #1490
+ * virt plugin: The "PluginInstanceFormat" option has been added. Thanks
+ to Ruben Kerkhof. #1100
+ * Write Graphite plugin: The "ReconnectInterval" option has been added.
+ Thanks to Toni Moreno and Florian Forster.
+ * Write HTTP plugin: A KairosDB formatter has been added. Thanks to
+ Aurélien Rougemont. #1809
+ * Write HTTP plugin: Notifications are now handled by this plugin.
+ Thanks to Florian Forster.
+ * Write HTTP plugin: The "LogHttpError" option has been added. Thanks to
+ vzubko.
+ * Write HTTP plugin: The new "Headers" option allows setting custom HTTP
+ headers in outgoing requests. Thanks to Brandon Arp. #1634
+ * Write Kafka plugin: Key handling has been made more comprehensive and
+ reliable. Thanks to Florian Forster, Pierre-Yves Ritschard and Vincent
+ Bernat. #1765, #1695, #1393
+ * Write Redis plugin: The "Database", "MaxSetSize", "Prefix" and
+ "StoreRates" options have been added. Thanks to Brian Kelly and
+ Sebastian Pfahl.
+ * Write Riemann plugin: The new "BatchFlushTimeout" and "Timeout" option
+ have been added. Thanks to Pierre-Yves Ritschard and Gergely Nagy.
+ * Write Riemann plugin: This plugin now requires the riemann-c-client
+ library, version 1.6.0+. This adds support for submitting values to
+ Riemann over TLS. Thanks to Gergely Nagy. #986
+ * Write TSDB, Write Sensu, Write Riemann, Write Graphite, Write TSDB
+ plugin: TCP keepalive is now enabled, helping graceful recovery from
+ unclean network disconnections. Thanks to Marc Fournier. #1549
+ * XenCPU plugin: This new plugin collects XEN Hypervisor CPU stats.
+ Thanks to Pavel Rochnyack. #1608
+ * ZFS ARC plugin: Several new statistics have been added and a couple of
+ obsolete ones removed. Thanks to Brad Davis, Brian ONeill and Ruben
+ Kerkhof.
+ * Zone plugin: This new plugin reads per-zone CPU usage on Solaris.
+ Thanks to Mathijs Mohlmann and Dagobert Michelsen.
+
+2016-11-28, Version 5.5.3
+ * collectd: Write threads are stopped before shutdown callbacks are
+ called. Thanks to Florian Forster. #1110
+ * collectd: A compile error on AIX has been fixed: "MSG_DONTWAIT" is not
+ available on AIX. Thanks to Chao Yang.
+ * libcollectdclient: Lines printed to "STDERR" are now guarded by the
+ environment variable "COLLECTD_TRACE". Thanks to Florian Forster. #105
+ * collectd.conf(5): Various typos have been fixed. Thanks to Marc
+ Fournier.
+ * Build system: Detection of the Java environment has been made
+ deterministic to allow for reproducible builds. Thanks to Marc
+ Fournier. #1523
+ * APC UPS plugin: Unavailable metrics are now skipped instead of
+ reported as 0 (zero). Thanks to Florian Forster. #2025
+ * Battery plugin: The minimum value has been removed from the power type
+ to allow the plugin to report discharging batteries as negative power.
+ Thanks to Florian Forster.
+ * DBI, Oracle and PostgreSQL plugins: An error message when the type
+ instance is truncated has been added. Thanks to Florian Forster. #4
+ * cURL-JSON plugin: A possible segmentation fault when parsing
+ unexpected JSON has been fixed. Thanks to Florian Forster. #1896
+ * DF plugin: Compilation with xfsprogs ≥ 4.7.0 has been fixed. Thanks
+ to Thomas Deutschmann. #1877
+ * Modbus plugin: Build issues on FreeBSD have been fixed. Thanks to
+ Florian Forster.
+ * Network plugin: An error message has been corrected. Thanks to Florian
+ Forster.
+ * Network plugin: Handling of errors form secure memory initialization
+ has been improved: the plugin fails gracefully now instead of calling
+ "abort()". Thanks to Sebastian Harl.
+ * Network plugin: The gcrypt library is only initialized when it is
+ actually required due to the network plugin's configuration. Thanks to
+ Florian Forster. #1902
+ * Ping plugin: The init callback has been changed to be idempotent,
+ fixing errors being reported on Solaris. Thanks to Florian Forster.
+ #869
+ * PostgreSQL plugin: The query_plans and query_plans_by_table queries
+ have been improved to return 0 (zero) instead of "NULL" when not
+ available. Thanks to Bernd Zeimetz. #1905
+ * PowerDNS plugin: The "recursor command" has been fixed so PowerDNS can
+ correctly parse all requested fields. Thanks to Ruben Kerkhof.
+ * Python plugin: Handling of data sets with multiple data sources of
+ different type has been fixed. Thanks to Sebastian Harl.
+ * RRDCacheD plugin: Reconnection behavior after failed operations has
+ been added. Thanks to Sebastian Harl. Debian#657877
+ * Write Graphite and AMQP plugins: A bug that could lead to a missing
+ null-termination has been fixed. Thanks to Markus Linnala.
+ * Write Kafka plugin: Support for librdkafka 0.9.0 has been added.
+ Thanks to Florian Forster.
+ * Write Riemann plugin: Build issues on Solaris have been fixed. Thanks
+ to Florian Forster.
+
+2016-07-25, Version 5.5.2
+ * collectd: A division by zero has been fixed in the
+ "plugin_dispatch_multivalue()" function. Thanks to Corey Kosak.
+ * collectd: The address of the Free Software Foundation has been fixed
+ in GPL license headers. Thanks to Ruben Kerkhof.
+ * Build system: Detection and handling of librrd 1.6 and later has been
+ fixed. Thanks to Ruben Kerkof.
+ * Apache plugin: A warning about a possible misconfiguration has been
+ added. Thanks to Marc Fournier.
+ * cURL, cURL-JSON and cURL-XML plugins: A memory leak when allocating
+ more memory fails has been fixed. Thanks to Brandon Arp.
+ * DF plugin: A build issue on DragonFlyBSD has been fixed. Thanks to
+ Ruben Kerkhof. #1575
+ * Ethstat plugin: Code to strip leading whitespace from device names.
+ This works around an issue in the VMXNet3 driver. Thanks to Thomas
+ Guthmann. #1059
+ * Exec plugin: A problem in the error handling of an fdopen() failure
+ has been fixed. Thanks to @ciomaire.
+ * Modbus plugin: The debug output has been disabled by default. It is
+ now only enabled when building with "--enable-debug". Thanks to Eric
+ Sandeen and Marc Fournier.
+ * Network plugin: A check for the initialization of secure memory has
+ been added. Previously, failure to initialize this memory was
+ ignored. Thanks to @yujokang. #1665
+ * Network plugin: A heap overflow has been fixed in the server code.
+ This issue can be triggered remotely and is potentially exploitable.
+ Thanks to Emilien Gaspar. CVE-2016-6254
+ * Perl plugin: Init callbacks have been changed to run essentially
+ single-threaded to avoid race conditions by init functions which
+ create additional threads. Thanks to Pavel Rochnyack. #1706
+ * Processes plugin: A warning about too long process names has been
+ added. Thanks to Marc Fournier. #1284
+ * Redis plugin: A memory leak in an error handling code path has been
+ fixed. Thanks to Andrés J. Díaz.
+ * Redis plugin: The data source type of the expired_keys metric has been
+ corrected to "DERIVE". Thanks to Marc Falzon and Marc Fournier. #1483.
+ * SMART plugin: A build dependency on libudev has been added. Thanks to
+ Pavel Rochnyack. #1724
+ * StatsD plugin: A deadlock on plugin shutdown has been fixed. Thanks to
+ Pavel Rochnyack #1703
+ * Write HTTP plugin: Freeing of memory holding HTTP headers during
+ shutdown has been fixed. Thanks to Tolga Ceylan.
+ * Write Sensu plugin: A segfault when the Tag was unset has been fixed.
+ Thanks to Marc Fournier.
+ * ZFS ARC plugin: The cache_operation-stolen metric has been removed for
+ FreeBSD 10.2 and later. Thanks to Ruben Kerkhof. #1580
+
+2016-01-22, Version 5.5.1
+ * Build system: Compilation errors have been avoided by correctly
+ defining package name and version used by autoconf. Thanks to Nathan
+ Berkley. #1063
+ * Build system: Dependency ordering was fixed to ensure parallel builds
+ work reliably. Thanks to Gustavo Zacarias. #1125
+ * Build system: Error messages have been improved and building the unit
+ tests has been fixed on Solaris. Thanks to Florian Forster and
+ Dagobert Michelsen. #1077
+ * Build system: The move of the "utils_ignorelist" functions has been
+ reverted. This fixes build issues of numerous plugins. Thanks to
+ Benjamin Drung;. #1323
+ * Build system: The fhcount plugin has been restricted to Linux. Thanks
+ to Ruben Kerkhof. #1195
+ * Build system: Detection of header files for the turbostat plugin has
+ been fixed. Thanks to Marc Fournier. #1075
+ * collectd: The "LC_NUMERIC" locale is now forced, to prevent issues
+ with some plugins on environments using a comma as decimal separator.
+ Thanks to Florian Forster. #1237
+ * Documentation: Some precisions related to the virt plugin have beed
+ added. Thanks to Wojtek Bocer and Ruben Kerkhof.
+ * Documentation: The CollectdInternalStats documentation has been
+ improved. Thanks to Yves Mettier and Florian Forster.
+ * Battery plugin: A missing Type has been added. Thanks to Marc
+ Fournier. #1338
+ * Bind plugin: An off-by-one error has been fixed: an index was checked
+ against a wrong variable, which may lead to an out-of-bounds read.
+ Thanks to Michal Humpula. #1123
+ * Ceph plugin: JSON parsing has been refactored to support ceph 10.0.0
+ and fixes several buffer overflows. Thanks to Florian Forster. #1350
+ * CPU plugin: A Mac OS X specific bug has been fixed: the plugin
+ expected an incorrect number of CPU states, resulting in failing read
+ callbacks. This regression was introduced in 5.5.0. Thanks to Robert
+ Viduya.
+ * Disk plugin: Support for Mac OS X 10.10 has been added. Thanks to
+ Robert Viduya. #1065
+ * IPC plugin: Support for building with musl-libc has been added. Thanks
+ to Natanael Copa. #1147
+ * Log Logstash plugin: A segfault when using libyajl, version 1 was
+ fixed. Thanks to Vincent Bernat. #1190
+ * Log Logstash plugin: The timestamp is now ISO 8601 compliant. Thanks
+ to Marc Fournier. #1132
+ * memcached plugin: The Type of the listen-disabled metric was fixed.
+ Thanks to Florian Forster. #1356
+ * MySQL plugin: The Type used by Innodb_buffer_pool_pages_flushed was
+ fixed. Thanks to Marek Becka. #1085
+ * OpenLDAP plugin: A crash when using LDAPI (LDAP-over-IPC) got fixed.
+ Thanks to Marek Becka. #1080
+ * OpenLDAP plugin: Support for Mac OS X has been added. Thanks to Ruben
+ Kerkhof. #1489
+ * SMART plugin: A memory leak has been fixed. Thanks to Florian
+ Schüller and Pierre-Yves Ritschard. #1076
+ * Swap plugin: A regression that would lead to swap usage being reported
+ in kilobytes (instead of bytes) has been fixed. Thanks to Marek Becka.
+ #1071
+ * Varnish plugin: Support for FreeBSD has been added. Thanks to Ruben
+ Kerkhof. #1182
+ * Varnish plugin: Support for versions 3 and 4 has been made more
+ tolerant to minor changes in Varnish point releases. Thanks to Marc
+ Fournier. #1302
+ * virt plugin: A copy-and-paste mistake in an error message has been
+ fixed. Thanks to Ruben Kerkhof. #1101
+ * Write Kafka plugin: Support for Solaris has been added. Thanks to
+ Shahul Hameed. #1171
+ * Write Redis plugin: Dead code has been removed. Thanks to Brian Kelly.
+ #1143
+ * 27 patches have been applied to numerous plugins and core components,
+ fixing various programming errors which were reported by scan-build,
+ libasan, FBInfer, coverity-scan and clang: Thanks to Ruben Kerkhof,
+ Florian Forster and Marek Becka.
+ * Collectd::Unixsock: A Perl error got corrected. Thanks to Ciaran Mac
+ An Iomaire. #1295
+
+2015-05-27, Version 5.5.0
+ * Build system: Ability to make out-of-tree builds has been fixed.
+ Thanks to Vincent Bernat. #792
+ * Build system, Disk and Users plugins: Detection and use of libstatgrab
+ ≧ 0.90 has been added. Thanks to Vincent Bernat. #445, #795, #806,
+ #807, #908
+ * Build system, Memory, CPU, TCPConns and Processes plugins: Numerous
+ fixes related to OpenBSD support have been added. Thanks to Landry
+ Breuil. #777, #778, #779, #808
+ * Build system: Plugins now only export "module_register()". Thanks to
+ Florian Forster.
+ * Build system: Various cleanups and improvements have been done. Thanks
+ to Marc Fournier.
+ * collectd: Numerous internal changes and improvements to the daemon and
+ the plugin API have been make. Thanks to Florian Forster, Pierre-Yves
+ Ritschard and Alex Petrov. #512, #727
+ * collectd: Numerous spelling mistakes have been corrected in comments
+ and documentation and several error messages have been improved.
+ Thanks to Ruben Kerkhof, Abhinav Upadhyay, Olivier Bazoud, Pierre-Yves
+ Ritschard, Tim Smith, Moshe Zada, Katelyn Perry and Marc Fournier.
+ * collectd: Rules/Targets can now be appended to existing Filter Chains.
+ Thanks to Marc Falzon. #444
+ * collectd: Failing Filter Chains destinations will now log the list of
+ available write targets. Thanks to Wilfried Goesgens. #650, #1043
+ * collectd: Support for process signaling and management by upstart and
+ systemd has been implemented for the Linux platform. Thanks to
+ Pierre-Yves Ritschard and Marc Fournier. #798, #811, #814
+ * collectd: The "CollectInternalStats" option has been added. Thanks to
+ Yves Mettier. #691
+ * collectd: The daemon source code and dependencies have moved to the
+ "src/daemon/" directory. Thanks to Florian Forster.
+ * collectd: The new "MaxReadInterval" option allows to cap the
+ exponential retry interval of plugins read errors. Thanks to Alexey
+ Remizov and Florian Forster. #713
+ * collectd: The "-P" command-line option now has precedence over the
+ "PIDFile" option. Thanks to Thomas D. #553
+ * collection.cgi: Various data-source related adjustments have been
+ made. Thanks to Fabiano Pires and Sebastian Harl.
+ * libcollectdclient: Now propagates errors when signing / encrypting
+ network packets. Thanks to Florian Forster.
+ * Configuration: Support for unquoted IPv6 addresses has been added.
+ Thanks to Sebastian Harl. #489
+ * Documentation: Various improvements have been done. Thanks to Florian
+ Forster and Marc Fournier.
+ * Examples: the sample C plugin has been updated to the current plugin
+ API. Thanks to Sebastian Harl.
+ * Licensing: The following components have been relicensed to the MIT
+ license: the Apple Sensors, Ascent, DBI, E-Mail, Entropy, GenericJMX,
+ gmond, LogFile, nginx, Notify Desktop, NTPd, NUT, olsrd, Perl, Ping,
+ PostgreSQL, Protocols, RouterOS, RRDCacheD, SNMP, StatsD, SysLog,
+ Table, Tail, UnixSock, vmem, VServer, Wireless, Write Riemann and XMMS
+ plugins, the core collectd daemon, the collectdmon, collectd-nagios
+ and collectd-tg utilities, all the Targets and Matches, liboconfig,
+ most of the "utils_*" files and the plugin API.
+ * Tests: A test suite has been added. Thanks to Florian Forster.
+ * Threshold: The hysteresis calculation has been made more reliable.
+ Thanks to Jan Kundrát. #581
+ * Threshold: Various fixes and improvements have been made. Thanks to
+ Manuel Luis Sanmartín Rozada. #649, #644
+ * AMQP plugin: The "ConnectionRetryDelay" option has been added,
+ allowing to delay reconnection. Thanks to Yoga Ramalingam and Marc
+ Fournier. #833
+ * AMQP plugin: The "QueueDurable" and "QueueAutoDelete" options have
+ been added, giving control over queue creation and deletion. Thanks to
+ David Blundell and Marc Fournier. #623
+ * Apache, Ascent, BIND, cURL, cURL-JSON, cURL-XML, nginx and Write HTTP
+ plugins: Customizing the "User-Agent" field is now possible at
+ compile-time. Thanks to Jeremy Katz. #440
+ * Apache, Ascent, BIND, cURL, cURL-JSON, cURL-XML, nginx plugins: The
+ connection will be reset if it hasn't completed within the configured
+ "Interval". The new "Timeout" option gives control over this behavior.
+ Thanks to Jan Kundrát and Marc Fournier. #982, #983, #993
+ * Apache, Ascent, cURL, cURL-JSON, cURL-XML, nginx, Write HTTP plugins:
+ Allow usernames and passwords to contain colons if built against
+ libcurl ≧ 7.19.1. Thanks to Marc Fournier. #695, #947
+ * Apache plugin: The "SSLCiphers" option gives control over the
+ encryption algorithms to use with TLS connections. Thanks to Toni
+ Moreno. #946
+ * Barometer plugin: This new plugin reads sensor data from various
+ Freescale and Bosch digital barometers. Thanks to Tomas Menzl. #69,
+ #693
+ * Battery plugin: Reporting values as percentages and reporting degraded
+ batteries has been added. Thanks to Florian Forster.
+ * Battery plugin: Support for reading values from sysfs on Linux has
+ been added. Thanks to Andy Parkins, Nicholas Humfrey, Peter Wu and
+ Florian Forster. #725, #810, #998
+ * Battery plugin: The value for current is no longer supplied unless the
+ battery provides this information. Thanks to Florian Forster.
+ * BIND plugin: Bind's XML v3 API is now supported; Thanks to Victor
+ Berger, Bruno Prémont and Michal Humpula. #742, #847
+ * Ceph plugin: This new plugin collects statistics from the Ceph
+ distributed storage system. Thanks to Dan Ryder, Dennis Zou, Colin
+ McCabe, Sage Weil. #522, #598
+ * ConnTrack plugin: Support for reporting values as percentages as well
+ as legacy conntrack files in "/proc" has been added. Thanks to
+ Pierre-Yves Ritschard. #497, #680
+ * CPU plugin: The plugin is now able to report values as percentages and
+ aggregate values per-state and per-CPU. Thanks to Pierre-Yves
+ Ritschard, Florian Forster, Fabien Wernli, Nicholas Humfrey and
+ Wilfried Goesgens. #499, #516, #639 #734, #812, #802
+ * cURL-JSON plugin: Extracting values from complex JSON structures has
+ been enhanced. Thanks to Jim Radford. #408, #411
+ * cURL-JSON plugin: Intervals can now be configured on a per-URL basis.
+ Thanks to Stan Sawa. #685
+ * cURL-JSON, cURL-XML, Write HTTP plugins: These plugins now also follow
+ HTTP redirects. Thanks to Marc Fournier.
+ * cURL, cURL-JSON, cURL-XML plugins: HTTP Digest authentication has been
+ implemented. Thanks to Frank Cornelis. #482
+ * DBI, Oracle, PostgreSQL plugins: A "MetadataFrom" parameter has been
+ added which allows to set metadata from database columns. Thanks to
+ Mark Wong. #317, #321
+ * DBI plugin: Querying several databases in parallel is now possible.
+ Thanks to Vincent Bernat. #453
+ * Disk plugin: On the Linux platform, disk names can now get looked up
+ in udev with the "UdevNameAttr" option. Thanks to Patrick Mooney. #537
+ * Disk plugin: This plugin now collects several additional I/O-related
+ metrics on the Linux platform. Thanks to Florian Forster and Michael
+ Schenck. #705, #759
+ * DRBD plugin: This new plugin reads Linux's Distributed Replicated
+ Block Device (DRBD) statistics. Thanks to Tim Laszlo. #566, #700
+ * Exec, UnixSock plugins: The "PUTNOTIF" command now allows to set
+ metadata on notifications. Thanks to John-John Tedro. #416
+ * fhcount plugin: This new plugin reports the number of used file
+ handles. Thanks to Jiri Tyr. #1009
+ * GenericJMX plugin: A Class Loader for "JMXConnectorFactory" has been
+ added, allowing the plugin to work with JBOSS > 7. Thanks to Alexandre
+ Moutot. #452
+ * IPC plugin: This new plugin collects information related to shared
+ memory. Thanks to Andrés J. Díaz. #925
+ * Java plugin: Now uses the hostname defined in the configuration file.
+ Thanks to Pierre-Yves Ritschard. #530, #681
+ * Load plugin: The plugin is now able to report values as percentages.
+ Thanks to Vedran Bartonicek and Pierre-Yves Ritschard. #344, #498
+ * Log Logstash plugin: This new plugin writes collectd logs and events
+ as Logstash JSON formatted events. Thanks to Pierre-Yves Ritschard.
+ #360
+ * LVM plugin: The plugin collects thin pool data volumes size, and no
+ longer reports virtual volumes. Thanks to Benjamin Gilbert. #603
+ * memcached plugin: "listen_disabled_num" are now also reported. Thanks
+ to Matt Cottingham. #622
+ * Memory plugin: Slab memory reporting on the Linux platform has been
+ added. Thanks to Manuel CISSÉ and Marc Fournier. #560, #697
+ * Memory plugin: The plugin is now able to report values as percentages.
+ Thanks to Jeremy Katz, Florian Forster and Manuel CISSÉ. #501, #511,
+ #559
+ * Modbus plugin: Selecting between holding and input registers is now
+ possible. Thanks to Jan Vitek. #338
+ * Modbus plugin: Support for accessing devices through an RS-485 serial
+ port has been added. Thanks to Eric Sandeen.
+ * Multimeter plugin: This plugin isn't built by default on the AIX
+ platform anymore. Thanks to Manuel Luis Sanmartin Rozada. #549, #684
+ * MySQL and PostgreSQL plugins: Passing "127.0.0.1" as a host will now
+ result in the global Hostname being used in metric names. Thanks to
+ Jeremy Katz. #441
+ * MySQL plugin: InnoDB, Select and Sort statistics collection has been
+ added. Thanks to Wilson Felipe, Marek Becka and Pierre-Yves Ritschard.
+ #248, #621, #699, #824
+ * MySQL plugin: The "Alias" and "ConnectTimeout" options have been
+ added. Thanks to William Tisäter.
+ * Netlink plugin: Support for 64bit netlink counters has been added.
+ Thanks to Marek Becka. #435
+ * Network plugin: The "ReconnectInterval" configuration option has been
+ added. Thanks to John Ferlito. #732
+ * NFS plugin: Support for NFSv4.0 has been implemented. Thanks to Marek
+ Becka. #550
+ * OneWire plugin: Support for more temperature-providing sensor families
+ has been added. Thanks to Tomasz Torcz. #672
+ * OneWire plugin: Support for full OWFS path and more device families
+ has been implemented. Thanks to Tomas Menzl. #68
+ * OpenLDAP plugin: This new plugin reads monitoring information from
+ OpenLDAP's "cn=Monitor" subtree. Thanks to Kimo Rosenbaum, Marc
+ Fournier and Nicholas Humfrey. #719
+ * OpenVPN plugin: Support for OpenVPN 2.3.0 has been implemented. Thanks
+ to Ed Okerson. #252
+ * OpenVZ plugin: Various improvements have been made, making the plugin
+ report values like the other collectd plugins do. Thanks to Chris
+ Lundquist. #264
+ * Perl plugin: A new "listval_filter" method has been added, various
+ internal cleanups and improvements have been made and a test suite has
+ been added. Thanks to Matthias Bethke. #728
+ * PostgreSQL plugin: The new "ExpireDelay" option allows skipping older
+ values pending write when the database slows down. Thanks to Stephen
+ O'Dor. #593
+ * PowerDNS plugin: The plugin was updated for stats from pdns 3.4.3.
+ Thanks to Ruben Kerkhof. #965
+ * Processes plugin: A memory-usage related optimization for low-profile
+ systems has been added. Thanks to Florian Forster. #652
+ * Python plugin: Support for Python3 has been improved, "ModulePath" is
+ now prepended to "sys.path", and the "get_dataset()" function has been
+ added to the Python API. Thanks to Sven Trenkel and Patrick Browne.
+ #890, #751, #771
+ * Redis and Write_Redis plugins: The support library has been switched
+ from credis to hiredis. Thanks to Andrés J. Díaz, Victor Seva, Marc
+ Fournier, Johan Bergström, Michael Spiegle and brianpkelly. #296,
+ #464, #475, #799, #1030
+ * Redis plugin: Custom commands can now be used to fetch values stored
+ in Redis. Thanks to Pierre-Yves Ritschard. #816
+ * Redis plugin: Support for passwords up to 512 characters long has been
+ added. Thanks to Jeremy Katz. #532
+ * Sensors plugin: Support for lm_sensors' power sensors has been added.
+ Thanks to Jan Kundrát. #571
+ * SMART plugin: This new plugin collects SMART statistics from disk
+ drives. Thanks to Vincent Bernat. #797
+ * SNMP plugin: A blacklist/whitelist feature can now be used to filter
+ which OIDs to collect. Thanks to Christophe Courtaut. #414
+ * SNMP plugin: SNMPv3 authentication and encryption support has been
+ implemented. Thanks to Michael Pilat. #362
+ * SNMP plugin: Two error messages have been disambiguated. Thanks to
+ Sergey. #939, #952
+ * Swap plugin: The plugin is now able to report values as percentages.
+ Thanks to Jeremy Katz and Florian Forster. #500, #510
+ * Swap plugin: The plugin no longer fails on Linux systems where
+ "SwapCached" isn't exposed by the kernel. Thanks to Florian Forster.
+ #733
+ * Tail plugin: "GaugeInc" and "GaugeAdd" options have been implemented.
+ Thanks to Andre Ferraz. #673
+ * Tail plugin: Intervals can now be configured on a per-File basis.
+ Thanks to Tom Leaman. #446
+ * TCPConns plugin: The "AllPortsSummary" option, allowing to summarize
+ all connections, has been added. Thanks to Marek Becka. #488
+ * TCPConns plugin: Three metrics were renamed on the AIX platform, for
+ the sake of consistency. Thanks to Manuel Luis Sanmartín Rozada. #546
+ * Turbostat plugin: This new plugin reads CPU frequency and C-state
+ residency on modern Intel turbo-capable processors. Thanks to Vincent
+ Brillault, Jean Delvare and Nicolas Iooss. #651
+ * UnixSock plugin: The "GETTHRESHOLD" command has been re-added. Thanks
+ to Manuel Luis Sanmartín Rozada. #674
+ * Varnish plugin: Varnish 4 support has been added, as well as as
+ monitoring metrics only available in Varnish 4. Thanks to Marc
+ Fournier. #618, #783
+ * virt plugin: Guests memory usage is now also collected. Thanks to
+ Tiago Carvalho, jazzmes and Zollner Robert.
+ * virt plugin: It is now possible to chose between using guests' name or
+ UUID as plugin_instance. Thanks to Remi Ferrand. #385
+ * virt plugin: The libvirt plugin has been renamed to virt. Thanks to
+ Florian Forster.
+ * Write Graphite plugin: When the connection to graphite fails,
+ reconnection attempts are now limited to once per second. Thanks to
+ Florian Forster. #625
+ * Write HTTP plugin: Multi-instance support of this plugin has been
+ improved. The "<URL "url">" block has been deprecated in favor of
+ "<Node "identifier">". Thanks to Marc Fournier. #902
+ * Write HTTP plugin: Several TLS-related configuration options have been
+ added. Thanks to Ingmar Runge. #666
+ * Write HTTP plugin: The "LowSpeedLimit" and "Timeout" options allow to
+ reset slow/stalled network connections. Thanks to loginator17 and Marc
+ Fournier. #752, #985
+ * Write HTTP plugin: The size of the payload posted to the HTTP server
+ can now be controlled with the "BufferSize" option. Thanks to Florian
+ Forster. #722
+ * Write Kafka plugin: This new plugin sends data to Apache Kafka, a
+ distributed messaging queue. Thanks to Pierre-Yves Ritschard,
+ ciomaire, Vincent Bernat, Marc Fournier. #670, #694, #794, #853, #014
+ * Write Log plugin: This new plugin dispatches collected values to the
+ configured log destination(s). Thanks to Pierre-Yves Ritschard. #886
+ * Write Riemann plugin: Extra meta strings are now added as attributes
+ in notifications. Thanks to John-John Tedro. #417
+ * Write Riemann plugin: Notification message are now sent to the Riemann
+ server via the description field. Thanks to Adrian Miron. #575
+ * Write Riemann plugin: Support for custom attributes has been added.
+ Thanks to Pierre-Yves Ritschard. #459
+ * Write Riemann plugin: Support had been implemented for sending events
+ to Riemann in batches (when using TCP), and is enabled by default.
+ Thanks to Pierre-Yves Ritschard. #800
+ * Write Riemann plugin: The "EventServicePrefix" option has been added,
+ which adds a prefix to event service names. Thanks to Moshe Zada. #706
+ * Write Riemann plugin: Threshold checks can now be passed down to the
+ Riemann server. Thanks to Pierre-Yves Ritschard. #518
+ * Write Sensu plugin: This new plugin submits values to Sensu, a stream
+ processing and monitoring system. Thanks to Fabrice A. Marie and Marc
+ Fournier. #912, #1001, #1016
+ * Write TSDB plugin: This new plugin sends data to OpenTSDB, a scalable
+ time series database. Thanks to Kevin Bowling, Florian Forster, Dallin
+ Young, Michael Schenck and Pierre-Yves Ritschard. #703, #772, #945
+ * ZFS ARC plugin: Support for ZFS-on-Linux has been added. Thanks to
+ Marc Fournier and Wilfried Goesgens. #552
+ * Zookeeper plugin: This new plugin reads data from the Apache Zookeeper
+ "MNTR" command. Thanks to Jeremy Katz. #826
+
+2016-07-26, Version 5.4.3
+ * Build system: A deprecation warning has been removed. Thanks to
+ Florian Forster.
+ * Build system: An ordering issue when build the AMQP plugin was
+ corrected. Thanks to Shahul Hameed.
+ * Build system: Building the gmond plugin against recent libganglia
+ versions has been added. Thanks to Marc Fournier. #1129
+ * Build system: "collectd-tg" now builds on AIX. Thanks to Manuel Luis
+ Sanmartín Rozada. #542
+ * Build system: "version-gen.sh" portablility was improved. Thanks to
+ Marc Fournier and Ruben Kerkhof.
+ * Build system: Compiling utils_dns.c on Solaris has beed fixed. Thanks
+ to Yves Mettier, Dagobert Michelsen and Florian Forster. #348
+ * Build system: Default JDK detection got improved. Thanks to Ruben
+ Kerkhof and Marc Fournier.
+ * Build system: Detection and handling of librrd 1.6 and later has been
+ fixed. Thanks to Ruben Kerkhof.
+ * Build system: notify_email build options got corrected to make it
+ build on non-GNU libc systems. Thanks to Marc Fournier.
+ * Build system: Protobuf building and logging has been improved. Thanks
+ to Ruben Kerkhof.
+ * Build system: The "make distcheck" target was fixed to properly handle
+ java build artifacts. Thanks to Florian Forster.
+ * Build system: The configure script got fixed to work properly when
+ called with "CC="gcc -Wall -Werror"" . Thanks to Marc Fournier.
+ * Build system: The configure script will now fail if pkg-config isn't
+ available. Thanks to Ruben Kerkhof.
+ * Build system: The users plugin now builds properly on Solaris when
+ libstatgrab is available. Thanks to Dagobert Michelsen. #1061
+ * Build system: Various fixes have been done to improve library
+ detection on FreeBSD. Thanks to Ruben Kerkhof.
+ * collectd2html: Several perl errors have been corrected. Thanks to Ruud
+ van Melick. #1103
+ * collectd: A global gauge format-string is now used to avoid loss of
+ precision. Thanks to Florian Forster. #1039
+ * collectd: A race condition at plugin initialization time was fixed.
+ Thanks to Jan Andres. #1316
+ * collectd: Autoloading now properly sets plugin context, allowing
+ plugins to determine the interval. Thanks to Florian Forster. #1069
+ * collectd: Empty "Plugin" blocks are now supported by the configuration
+ file parser. Thanks to Manuel Luis Sanmartín Rozada. #1035
+ * collectd: The address of the Free Software Foundation has been fixed
+ in GPL license headers. Thanks to Ruben Kerkhof.
+ * collectd: Writing to a closed TCP socket is now properly handled.
+ Thanks to Tamás Földesi. #1104
+ * Documentation: iptables plugin: IPv6 configuration option has been
+ added to the collectd.conf(5) manpage. Thanks to 'Marc Fournier''.
+ #1496
+ * AMQP plugin: The plugin was fixed to build against librabbitmq 0.6.0.
+ Thanks to Remi Collet. #1008
+ * Apache plugin: A warning about a possible misconfiguration has been
+ added. Thanks to Marc Fournier.
+ * Apache plugin: The plugin was extended to parse the whole response,
+ required to support Apache versions greater than 2.4.17. Thanks to
+ Marc Fournier and Florian Forster. #1170, #1343
+ * APC UPS plugin: Log messages are now prefixed with the plugin name.
+ Thanks to Sergey. #1329
+ * Bind plugin: The type_instance now gets properly sanitized. Thanks to
+ Thomas Kho. #992
+ * CPU plugin: Error messages on MacOSX have been improved. Thanks to
+ Florian Forster. #22
+ * cURL plugin: A typo in an error message got corrected. Thanks to Marc
+ Fournier.
+ * cURL, cURL-JSON and cURL-XML plugins: A memory leak when allocating
+ more memory fails has been fixed. Thanks to Brandon Arp.
+ * DF plugin: An bug preventing filesystems which don't report inodes
+ such as btrfs has been corrected. Thanks to Marek Becka. #1096
+ * DF plugin: Duplicate entries are no longer reported twice. Thanks to
+ Stefan Brüns and Florian Forster. #1402
+ * DF plugin: Legacy code for skipping "rootfs" mount points has been
+ removed. Thanks to Marc Fournier. #1402
+ * DF plugin: Legacy references to the "ReportReserved" option have been
+ removed. Thanks to Marc Fournier.
+ * DF plugin: Reading the mtab now uses a reentrant function when
+ possible. Thanks to Ruben Kerkhof. #1163
+ * Ethstat plugin: Code to strip leading whitespace from device names.
+ This works around an issue in the VMXNet3 driver. Thanks to Thomas
+ Guthmann. #1059
+ * Exec plugin: A file descriptor leak when the plugin is configured to
+ run as a non-existing user was corrected. Thanks to Gautam BT and Marc
+ Fournier. #762
+ * Exec plugin: A problem in the error handling of an fdopen() failure
+ has been fixed. Thanks to @ciomaire.
+ * Interface plugin: Documentation about regular expressions in the
+ ignore list has been added. Thanks to Jakub Jankowski.
+ * IRQ plugin: The "FIQ" line is now skipped as it doesn't contain any
+ counter. Thanks to Ruben Kerkhof. #971
+ * Modbus plugin: The debug output has been disabled by default. It is
+ now only enabled when building with "--enable-debug". Thanks to Eric
+ Sandeen and Marc Fournier.
+ * MongoDB plugin: A memory leak has been fixed and some adaptations to
+ the current API of the mongo-c-driver have been made. Thanks to
+ Florian Forster. #956
+ * Network plugin: A check for the initialization of secure memory has
+ been added. Previously, failure to initialize this memory was ignored.
+ Thanks to @yujokang. #1665
+ * Network plugin: A heap overflow has been fixed in the server code.
+ This issue can be triggered remotely and is potentially exploitable.
+ Thanks to Emilien Gaspar. CVE-2016-6254
+ * Network plugin: The TimeToLive option handling was made more robust.
+ Thanks to Tim Laszlo. #654
+ * NTPd plugin: Documentation about the required "mode 7" has been added.
+ Thanks to Jakub Jankowski.
+ * NTPd plugin: Reporting of "time_offset-loop" was corrected to match
+ the values from ntpq/ntpdc. Thanks to Pierre Fersing and Florian
+ Forster. #1300
+ * OpenVPN plugin: The plugin was fixe to avoid signaling an error when
+ no clients were connected. Thanks to Florian Forster. #731
+ * Perl plugin: Init callbacks have been changed to run essentially
+ single-threaded to avoid race conditions by init functions which
+ create additional threads. Thanks to Pavel Rochnyack. #1706
+ * PF plugin and DNS plugin: These plugins have been fixed to build
+ properly on OpenBSD again. Thanks to Ruben Kerkhof.
+ * Processes plugin: A compilation error on systems without "regex.h" has
+ been fixed. Thanks to Corey Kosak.
+ * Processes plugin: A memory leak on Solaris has been fixed. Thanks to
+ Jim Quinn.
+ * Processes plugin and Swap plugin: These plugins have been corrected to
+ also work inside FreeBSD jails. Thanks to biancalana. #1019
+ * Processes plugin: A warning about too long process names has been
+ added. Thanks to Marc Fournier. #1284
+ * Processes plugin: Process counting on the FreeBSD and OpenBSD
+ platforms has been fixed. Thanks to Herve COMMOWICK. #1298
+ * Processes plugin: The plugin was fixed to work properly on Solaris.
+ Thanks to Jan Andres. #919
+ * Python plugin: A double-free bug got fixed. Thanks to Sven Trenkel.
+ #1285
+ * RRDtool plugin: A race condition leading to corrupt RRD file creation
+ has been fixed. Thanks to Manuel Luis Sanmartín Rozada. #1031
+ * SNMP plugin: The "Gauge32" signedness was corrected to match RFC1902.
+ Thanks to Nathan Ward. #1325
+ * StatsD plugin: A deadlock on plugin shutdown has been fixed. Thanks to
+ Pavel Rochnyack #1703
+ * StatsD plugin: A memory leak was corrected. Thanks to Florian Forster.
+ #997
+ * StatsD plugin: A symbol lookup error was fixed by properly linking the
+ plugin against libm. Thanks to Florian Forster.
+ * StatsD plugin: "utils_latency": Support for including values above
+ 1000 in percentile calculation has been added. Thanks to Yoga
+ Ramalingam. #401
+ * StatsD plugin: "utils_latency": Two division by zero error conditions
+ have been corrected. Thanks to Wilfried Goesgens. #655
+ * StatsD plugin: Counters absolute counts are now also reported. Thanks
+ to Pierre-Yves Ritschard. #1311
+ * StatsD plugin: The plugin now emits NaN values when no timer event is
+ recorded. Thanks to Florian Forster. #1038, #1039
+ * StatsD plugin: The plugin was corrected to avoid crashing when
+ negative timer values are submitted. Thanks to Florian Forster. #1131
+ * Tail CSV plugin: The plugin was fixed to work properly with multiple
+ "Collect" options and a bug got fixed when no "TimeFrom" is specified.
+ Thanks to Manuel Luis Sanmartín Rozada and Florian Forster. #1032
+ * TCPConns plugin: A memory leak was fixed. Thanks to Florian Forster.
+ #1074
+ * TCPConns plugin: An bug causing collectd to enter an inifinite loop on
+ OpenBSD was fixed. Thanks to Landry Breuil. #1094
+ * Threshold plugin: Threshold configuration blocks can now be defined in
+ different files. Thanks to Michael Salmon. #551
+ * vmem plugin: Support for pgsteal in recent Linux kernels has been
+ added. Thanks to Jakub Jankowski. #1307
+ * vmem plugin: The DSType for nr_dirtied and nr_written was corrected to
+ report a derive. Thanks to Marek Becka. #1072
+ * Write Graphite plugin: Error handling when submitting metrics to the
+ server is now more robust. Thanks to Sam Pointer. #1364
+ * Write HTTP plugin: Freeing of memory holding HTTP headers during
+ shutdown has been fixed. Thanks to Tolga Ceylan.
+ * Write Redis plugin: Multi-Valued key was made easier to parse by
+ adding a "|" character as a delimiter. Thanks to brianpkelly and
+ Florian Forster. #1070
+ * Write Redis plugin: The timestamp format was corrected. Thanks to
+ Florian Forster.
+ * ZFS ARC plugin: The plugin was will not emit warning about missing
+ "l2_size" stats anymore. Thanks to Jan Andres. #919
+ * 152 patches have been applied to numerous plugins and core components,
+ fixing various programming errors which were reported by scan-build,
+ libasan, FBInfer, coverity-scan, clang and gcc-6: Thanks to Ruben
+ Kerkhof, Florian Forster, Marc Fournier, Corey Kosak, Laurent,
+ Claudius Zingerli and Fabien Wernli.
+
+2015-02-26, Version 5.4.2
+ * Build system: Numerous fixes. Thanks to Bjørn Nordbø, Jim Radford,
+ KOMEDA Shinji, Lauri Tirkkonen, Manuel Luis Sanmartin Rozada, Marc
+ Fournier, Rainer Müller, Yoga Ramalingam and Yves Mettier. #326,
+ #373, #653, #828
+ * collectd: A use-after-free has been fixed in the "parse_value()"
+ function. Thanks to Matthias Urlichs.
+ * collectd: Fix carriage return sign in types_list Thanks to Marc
+ Fournier and @NsLib.
+ * collectd: Fix programming error in src/configfile.c. Thanks to
+ Wilfried Goesgens.
+ * collectd: An off-by-one error has been fixed in the
+ "strstripnewline()" function. Patch by Florian Forster.
+ * collectd: Use the complain mechanism to report filter chain write
+ failures. Thanks to Sebastian Harl.
+ * collectd: Spelling and grammar of error messages have been fixed.
+ Thanks to Katelyn Perry and Tim Laszlo.
+ * collectdctl: Fixed buffering issues which caused trouble on AIX and
+ Solaris. Thanks to Yoga Ramalingam.
+ * Documentation: Details and example about multi-instance filterchain
+ targets have been added. Thanks to Marc Fournier.
+ * Documentation: The "CollectStatistics" option of the rrdcached has
+ been documented. Thanks to Micha Krause. #907
+ * Documentation: The write_redis has been documented. Thanks to Marc
+ Fournier.
+ * Documentation: The "GraphiteSeparateInstances" and
+ "GraphiteAlwaysAppendDS" options of the amqp have been documented.
+ Thanks to Marc Fournier.
+ * Documentation: Documentation of the "AutoLoadPlugin" option has been
+ improved. Thanks to Florian Forster. #715
+ * aggregation: "utils_vl_lookup": A race when creating user objects
+ has been fixed. Thanks to Sebastian Harl. #535
+ * cpu: Temperature code for Mac OS X has been removed.
+ Thanks to Florian Forster and Marc Fournier. #22
+ * cURL, cURL-JSON, cURL-XML and Write HTTP plugins: Call
+ "curl_global_init()" in the plugins' "init()" callback. Thanks to
+ Jeremy Katz.
+ * cURL and memcachec plugins: Fix calculation of gauge, average,
+ minimum and maximum. Previously, they were calculated from the start
+ of the daemon, which is not the documented behavior. Thanks to
+ Florian Forster. #663
+ * curl-json: A bug, which triggered when two URLs with a long common
+ prefix were configured, was fixed. Thanks to Marc Fournier. #582
+ * dbi: Compatibility with new versions of libdbi has been restored.
+ Thanks to Florian Forster. #950
+ * Exec, UnixSock plugins: Fix parsing of the "time" option of the
+ "PUTNOTIF" command. Thanks to Adrian Miron. #477
+ * ipmi: A conflict with the java over the "SIGUSR2" signal has been
+ fixed. Thanks to Vincent Bernat. #114
+ * java: Conversion from Java's time representation to collectd's
+ representation has been fixed. Thanks to Manuel Luis Sanmartín
+ Rozada.
+ * java: Make sure "cjni_thread_detach()" is called on all paths.
+ Thanks to Florian Forster.
+ * LogFile and SysLog plugins: Avoid total silence in case of a
+ misconfiguration. Thanks to Marc Fournier and Wilfried Goesgens.
+ * network: Support for recent versions of gcrypt has been added.
+ Thanks to Vincent Bernat. #632
+ * network: Robustness of the client connecting behavior has been
+ improved. Thanks to Florian Forster. #627
+ * python: Don't create empty "meta_data_t" objects. Thanks to Florian
+ Forster. #716
+ * python: Fix Py list length check in "cpy_build_meta()". Thanks to
+ Yoga Ramalingam.
+ * python: The "interval" member was fixed to export seconds as a
+ double. Thanks to Justin Burnham.
+ * RRDtool and RRDCacheD plugins: A memory leak when creating RRD files
+ has been fixed. Thanks to Yves Mettier. #661
+ * snmp: Fix a memory leak. Thanks to Marc Fournier and Pierre-Yves
+ Ritschard. #610, #804
+ * statsd: Support for samplerates in timer metrics was added. Thanks
+ to John Leach. #461
+ * swap: Fix behavior under OpenVZ by making "cached" optional. Thanks
+ to Florian Forster. #733
+ * threshold: Population of the "time" field in notifications has been
+ added. Thanks to Manuel Luis Sanmartín Rozada.
+ * libvirt: Only gather stats for running domains. Thanks to Ruben
+ Kerkhof.
+ * lvm: An issue with Volume Groups (VGs) without Logical Volumes (LVs)
+ has been fixed. Thanks to Jan Kundrát.
+ * write_graphite: Escape characters not supported by Graphite. Thanks
+ to Pierre-Yves Ritschard and Marc Fournier.
+ * write_http: Make callback names context-dependent. Thanks to Marc
+ Fournier. #821
+ * write_redis: A formatting bug, which resulted in totally unusable
+ numbers being transmitted to Redis, was fixed. Thanks to Marc
+ Fournier.
+ * write_riemann: Receive acknowledge message when using TCP. Thanks to
+ John-John Tedro.
+
2014-01-26, Version 5.4.1
* amqp plugin: Add support for RabbitMQ 0.4.x to avoid compiler
warnings. Thanks to Sebastian Harl for implementing this.
* 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