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ChangeLog
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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.
2013-07-13, Version 5.3.1
* Documentation: Various fixes.
* Configuration: Fix error handling: Errors in included files were
ignored, causing configuration mistakes to go unnoticed.
* dns plugin: Don't abort when PCAP returns an error.
* modbus plugin: The reconnection strategy was improved, fixing a
segfault in the libmodbud library. Thanks to Stefan Nickl and
Fabien Wernli for their patches.
* mysql plugin: The notification about a newly running MySQL slave
thread has been fixed. Thanks to Joaquín Cuenca Abela for the patch.
* snmp plugin: A build issue has been fixed (C99 mixed declaration).
The end-of-tree check has been improved by Pierre-Yves Ritschard.
* threshold plugin: Handling of the "Interesting" configuration option
has been fixed. Thanks to Björn for the patch.
* write_riemann plugin: A memory leak has been fixed. Thanks to Dave
Cottlehuber for reporting it.
2013-04-09, Version 5.3.0
* collectd: The "Include" statements can now be limited to include
only matching files in a directory. Thanks to Sebastian Harl for his
patch.
* collectd: Dispatches / writes are now handled by a thread pool. This
improves reliability and throughput for instances configured to act
as a "server". Thanks to Sebastian Harl and Dan Fandrich for
reviewing this change and fixing bugs.
* aggregation plugin: Selection of value lists is now possible using
regular expressions. Parts of the identifier of the resulting metric
can now be set via the configuration file.
* apcups plugin: The "ReportSeconds" option has been implemented.
* curl* plugins: Support for POST requests and custom request headers
has been added. Thanks to Dan Fandrich for his patch.
* curl_xml plugin: Support for XML namespaces has been added. Thanks
to Dan Fandrich for his patch.
* dbi plugin: Support for numeric options has been added. The
"Host" option has been added. Thanks to Daniel Hilst for his patch.
* disk plugin: Support for systems with >256 has been fixed. Thanks to
Greg Mason for his patch.
* libvirt plugin: Support for memory allocation has been added. Thanks
to Johan Wirén for his patch.
* netapp plugin: Support for "SnapVault", "VFiler" and deduplication /
compression and quota metrics. Thanks to Sebastian Harl for his
patches and teamix GmbH for sponsoring this work.
* postgresql plugin: The reconnection logic has been improved. Thanks
to Sebastian Harl for his patches.
* rrdtool, rrdcached plugins: The "CreateFilesAsync" option has been
implemented. When enabled, new RRD files will be created
asynchronously, which improved throughput of "server" instances.
Many thanks to Yves Mettier for all his input and code.
* tail_csv plugin: This new plugins allows to read metrics from CSV
files, such as Snort's statistics file. Thanks to Kris Nielander for
his patch.
* write_mongodb plugin: Authentication options have been added.
* write_riemann plugin: This new plugin allows sending metrics to
Riemann, a stream processing and alerting tool. Big thanks to
Pierre-Yves Ritschard for his work.
2013-04-08, Version 5.2.2
* Build system: A bad interaction between the Java detection code and
libltdl has been fixed. Thanks to Dave Cottlehuber for his patch.
Installation of the Perl bindings has been improved / fixed. Thanks
to Sebastian Harl for his patch.
* collectd: Fixed read callback scheduling at startup.
* apache, ascent, bind, curl, curl_json, curl_xml, nginx and
write_http plugins: Portability fixes, protection from infinite
redirect loops, improved error handling and incorrect dereferences
have been fixed. Most of these are related to the cURL library.
Thanks to Dan Fandrich for his patches.
* logfile plugin: Flush the output file handle. This works around
caching when logging to STDOUT and redirecting into a file. Thanks
to Nathan Huff for the patch.
* mysql plugin: Fix a memory leak in the error handling. Thanks to
Tomas Doran for his patch.
* netapp plugin: Fix the interval with which values are dispatched.
* network plugin: Build issues under FreeBSD and initialization have
been fixed. Thanks to Ed Schouten for his patch.
* nfs plugin: A compilation problem has been fixed.
* notify_email plugin: Add a character set to the mail header. Thanks
to Manuel Cissé for his patch.
* pf plugin: Build issues have been fixed.
* postgresql plugin: Build issues have been fixed.
* rrdcached plugin: Connect to the daemon from the read callback.
* snmp plugin: Matching of SNMP subtrees has been improved. Thanks to
"jkrabbe" for the patch.
* thermal plugin: The initialization of dispatched value lists has
been fixed. Thanks to Markus Knetschke for his patch.
* unixsock plugin: Parsing of options with an underscore, e.g.
"plugin_instance" has been fixed. Thanks to Tommie Gannert for his
patch.
2013-01-27, Version 5.2.1
* Build system: "make distcheck" has been fixed. Build fixes Solaris
and systems without gcrypt. Thanks to Yves Mettier for his patches.
* collectd: The complaint mechanism was fixed. It reported messages
more frequently than intended.
* collectd-tg: A manual page has been added.
* dns plugin: Build issues on FreeBSD have been fixed. Thanks to
Ed Schouten for his patch.
* ethstat plugin: Fix the "Map" config option. An incorrectly used
character pointer may lead to a segmentation fault.
* network plugin: Build issues on FreeBSD have been fixed. Thanks to
Ed Schouten for his patch.
* postgresql plugin: A memory leak in the writing code has been fixed.
A use-after-free issue that happened when more than one database was
configured was fixed. Thanks to Sebastian Harl for fixing these
problems.
* redis plugin: A build failure has been fixed. Thanks to Pierre-Yves
Ritschard for his patch.
* varnish plugin: Fix a problem with instances without name.
* write_graphite plugin: A regression which rendered the
"SeparateInstances" and "AlwaysAppendDS" options unusable has been
fixed. A failed assertion when using types with many data sources
has been fixed. Improve reporting of connection errors to not spam
log files too much. Thanks to Pierre-Yves Ritschard for reporting
the logging problem.
* zfs_arc plugin: Fix the type used for mutex misses. Thanks to Yves
Mettier for reporting this bug.
2012-11-17, Version 5.2.0
* collectd: The performance of the LISTVAL command has been improved.
Thanks to Yves Mettier for the patch.
* collectd: The possibility to configure the collection interval on a
per-plugin basis has been added. Huge thanks to Sebastian Harl for
his work.
* collectd-tg: This new binary allows to generate random but real
looking collectd network traffic. This can be used to load-test new
plugin, for example.
* libcollectdclient: Code for constructing and sending network packets
in the binary format has been added.
* aggregation plugin: This new plugin allows to aggregate multiple
value lists into one.
* amqp and write_http plugins: Meta data is now included in the JSON
output format. Thanks to Mark Wong for the patch.
* amqp plugin: Support for "Graphite" output has been added. Thanks to
Thomas Meson for the patch.
* contextswitch plugin: Support for AIX has been added. Thanks to
Manuel Rozada for his patch.
* disk plugin: The "UseBSDName" config option has been added to the
Mac OS X version.
* GenericJMX plugin: Automatically determine the host name if it isn't
configured.
* libvirt plugin: The "number" interface format has been added. Thanks
to "Davide Guerri" for the patch.
* memcached plugin: Support for multiple connections has been added.
Thanks to Nicolas Szalay for the patch.
* ntpd plugin: The "IncludeUnitID" config option has been added. The
behavior when a peer is unreachable has been improved. Thanks to
Johan Kiviniemi for the patches.
* oracle plugin: The "Host" config option has been added.
* pf plugin: This new plugin allows to collect statistics from BSD's
packet filter "pf". Thanks to Pierre-Yves Ritschard and Stefan Rinkes
for their work.
* postgresql plugin: The "Instance" config option has been added.
Support for writing values to a PostgreSQL database has been added.
Thanks to Sebastian Harl for the patches.
* processes plugin: Support for Solaris has been added. Thanks to
Cosmin Ioiart for the patch.
* redis plugin: Support for authenticating via password has been added.
Thanks to biancalana for the patch.
* rrdcached plugin: The "HeartBeat", "RRARows", "RRATimespan",
"StepSize" and "XFF" config options have been added.
* swap plugin: The "ReportBytes" config option has been added. The AIX
version now also exports "reserved" pages and swap-in / swap-out
"traffic". Thanks to Manuel Rozada for the patch.
* tcpconns plugin: Use a netlink socket rather than reading from /proc
for improved performance. Thanks to Michael Stapelberg for the patch.
2013-04-08, Version 5.1.3
* Build system: A bad interaction between the Java detection code and
libltdl has been fixed. Thanks to Dave Cottlehuber for his patch.
* collectd: Fixed read callback scheduling at startup.
* apache, ascent, bind, curl, curl_json, curl_xml, nginx and
write_http plugins: Portability fixes, protection from infinite
redirect loops, improved error handling and incorrect dereferences
have been fixed. Most of these are related to the cURL library.
Thanks to Dan Fandrich for his patches.
* logfile plugin: Flush the output file handle. This works around
caching when logging to STDOUT and redirecting into a file. Thanks
to Nathan Huff for the patch.
* mysql plugin: Fix a memory leak in the error handling. Thanks to
Tomas Doran for his patch.
* netapp plugin: Fix the interval with which values are dispatched.
* network plugin: Build issues under FreeBSD and initialization have
been fixed. Thanks to Ed Schouten for his patch.
* nfs plugin: A compilation problem has been fixed.
* notify_email plugin: Add a character set to the mail header. Thanks
to Manuel Cissé for his patch.
* rrdcached plugin: Connect to the daemon from the read callback.
* snmp plugin: Matching of SNMP subtrees has been improved. Thanks to
"jkrabbe" for the patch.
* thermal plugin: The initialization of dispatched value lists has
been fixed. Thanks to Markus Knetschke for his patch.
* unixsock plugin: Parsing of options with an underscore, e.g.
"plugin_instance" has been fixed. Thanks to Tommie Gannert for his
patch.
2013-01-25, Version 5.1.2
* Build system: "make distcheck" has been fixed. Thanks to Yves
Mettier for his patches.
* collectd: The complaint mechanism was fixed. It reported messages
more frequently than intended.
* dns plugin: Build issues on FreeBSD have been fixed. Thanks to
Ed Schouten for his patch.
* ethstat plugin: Fix the "Map" config option. An incorrectly used
character pointer may lead to a segmentation fault.
* network plugin: Build issues on FreeBSD have been fixed. Thanks to
Ed Schouten for his patch.
* varnish plugin: Fix a problem with instances without name.
* write_graphite: Improve reporting of connection errors to not spam
log files too much. Thanks to Pierre-Yves Ritschard for reporting
this problem.
* zfs_arc plugin: Fix the type used for mutex misses. Thanks to Yves
Mettier for reporting this bug.
2012-11-11, Version 5.1.1
* collectd: Create new directories with mode 0777 and let umask remove
unwanted permission bits.
* collectd: Build issues have been fixed.
* collectd: An incorrect assertion has been fixed in some common code
for Solaris. This should resolve pseudo-random assertion failures
under Solaris. Thanks to Jeff Blane for his help debugging this.
* collectd: A couple of memory leaks through PThread thread attributes
have been fixed. Thanks to Gerrie Roos for fixing these.
* collectdctl: Fix PUTVAL for data sets with multiple data sources.
Thanks to Cyril Feraudet for reporting this problem.
* contrib/migrate-4-5.px: Handle to "df" to "df_complex" conversion
correctly.
* apcups plugin: Improve the reconnect behavior.
* curl_xml plugin: The "Host" setting was silently ignored. Thanks to
Fabien Wernli for fixing this.
* df plugin: Ignore "rootfs" devices under Linux to avoid having them
reported twice. Thanks to Brune Prémont for fixing this.
* disk plugin: Fix incorrect computation of read and write latency (the
"disk_time" type). Previously, the numbers reported where too small
by a factor of "interval", e.g. when the interval is set to 10
seconds, the values were too low by a factor of 10. Thanks to Manuel
Sanmartin for reporting this problem.
* dns plugin: A build issue under Solaris has been fixed. A erroneous
define that could lead to the reporting of bad data has been fixed by
Daniel Sutto.
* ethstat plugin: An off-by-one error and potential use of
uninitialized memory has been fixed. Thanks to Mark Voelker for
reporting these problems.
* memcachec plugin: A bug in the configuration handling has been fixed.
Thanks to Pascal Hofmann for fixing this issue.
* mysql plugin: Fix a bug when registering multiple databases. Thanks
to Sebastian Harl for fixing this.
* netapp plugin: Correctly close the connection on communication
errors.
* netlink plugin: The function used to query statistics has been
changed to be more in line with iproute2's behavior. Thanks to
"KIvosak" for the patch.
* network plugin: Initialization of libgcrypt has been fixed. Thanks to
Chris Lundquist for his patch.
* oracle plugin: Error messages have been improved.
* ping plugin: Don't enter the exponential back-off mode when
ping_send() fails. This should make recovery after a network failure
much faster.
* python plugin: Memory leaks have been fixed. Thanks to Tommie Gannert
and Sven Trenkel for fixing this.
* redis plugin: Fix a compilation problem on FreeBSD. Thanks to
"biancalana" for the fix.
* rrdtool plugin: Fix an out-of-bounds array access when printing a
warning message. Thanks to Will Hawkins for fixing this bug.
* snmp plugin: Support for the SNMP_ENDOFMIBVIEW return value has been
added. Support for more complex / unusual MIBs / subtrees has been
added. Thanks to Mark Juric to test the changes and point out these
problems.
* varnish plugin: Support for multiple instances of Varnish 3 has been
fixed. Thanks to Jonathan Huot for the patch.
* write_mongodb plugin: Add compatibility with libmongo 0.6.0 and
later. Thanks to Chris Lundquist for this patch.
2012-04-01, Version 5.1.0
* Build system, iptables plugin: The shipped version of libiptc has
been removed.
* collectd-nagios: A list of value lists can now be queried using
"-n LIST". Thanks to Sebastian Harl for his patches.
* bind plugin: The "ParseTime" option has been added. It allows to use
the system time rather than the time reported by BIND.
* curl, memcachec, tail plugins: The "ExcludeRegexp" option has been
added. Thanks to Peter Warasin for his initial patch.
* ethstat plugin: The new "ethstat" plugin reads performance statistics
directly from ethernet cards. Thanks to Cyril Feraudet for his patch.
* GenericJMX plugin: Support for querying MBean "Operations" (in
addition to "Attributes") has been added. Thanks to Pierre-Yves
Ritschard for his patch.
* irq plugin: The selection / ignore code now uses the default
ignorelist infrastructure, providing the standard feature set, e.g.
regex matching.
* md plugin: The new "md" plugin reports the number of disks in various
states in Linux software RAID devices. Thanks to Michael Hanselmann
for his patch.
* modbus plugin: Support for signed integer register types has been
added.
* nfs plugin: Support for Solaris has been added. Thanks to Cosmin
Ioiart for his patch.
* numa plugin: The new "numa" plugin reports statistics of the
Non-Uniform Memory Access (NUMA) subsystem of Linux.
* processes plugin: Various fixes for the FreeBSD implementation.
Thanks to Phil Kulin for his patch.
* rrdcached plugin: Passing flushes to the caching daemon has been
added.
* sensors plugin: The initialization code has been improved. Thanks to
Henrique de Moraes Holschuh for his patch.
* swap plugin: The "ReportByDevice" option has been added.
* syslog plugin: Support for writing notifications has been added.
Thanks to Fabien Wernli for his patch.
* tcpconns plugin: Support for AIX has been added. Thanks to Manuel
Luis Sanmartín Rozada for his patch.
* threshold plugin: The "PersistOK" option has been added. Thanks to
Aaron Brady for his patch.
* varnish plugin: Support for Varnish 3.0 has been added. Thanks to
Jérôme Renard for his patches.
* write_mongodb plugin: The new "write_mongodb" plugin writes value
lists to MongoDB, a shema-less database. Thanks to Akkarit Sangpetch
and Chris Lundquist for their work.
* write_graphite plugin: The new "write_graphite" plugin writes value
lists to Carbon, the storage layer of the Graphite time-series
database. Thanks to Scott Sanders and Pierre-Yves Ritschard for their
work.
* zfs_arc plugin: Several new statistics have been added. Thanks to
Aurelien Rougemont for his patches.
* scale target: Support for scaling specific data sources only has been
added. Thanks to Gerrie Roos for his patch.
2012-11-11, Version 5.0.5
* collectd: Create new directories with mode 0777 and let umask remove
unwanted permission bits.
* collectd: Build issues have been fixed.
* collectd: An incorrect assertion has been fixed in some common code
for Solaris. This should resolve pseudo-random assertion failures
under Solaris. Thanks to Jeff Blane for his help debugging this.
* collectd: A couple of memory leaks through PThread thread attributes
have been fixed. Thanks to Gerrie Roos for fixing these.
* collectdctl: Fix PUTVAL for data sets with multiple data sources.
Thanks to Cyril Feraudet for reporting this problem.
* contrib/migrate-4-5.px: Handle to "df" to "df_complex" conversion
correctly.
* apcups plugin: Improve the reconnect behavior.
* curl_xml plugin: The "Host" setting was silently ignored. Thanks to
Fabien Wernli for fixing this.
* df plugin: Ignore "rootfs" devices under Linux to avoid having them
reported twice. Thanks to Brune Prémont for fixing this.
* disk plugin: Fix incorrect computation of read and write latency (the
"disk_time" type). Previously, the numbers reported where too small
by a factor of "interval", e.g. when the interval is set to 10
seconds, the values were too low by a factor of 10. Thanks to Manuel
Sanmartin for reporting this problem.
* dns plugin: A build issue under Solaris has been fixed. A erroneous
define that could lead to the reporting of bad data has been fixed by
Daniel Sutto.
* memcachec plugin: A bug in the configuration handling has been fixed.
Thanks to Pascal Hofmann for fixing this issue.
* mysql plugin: Fix a bug when registering multiple databases. Thanks
to Sebastian Harl for fixing this.
* netapp plugin: Correctly close the connection on communication
errors.
* netlink plugin: The function used to query statistics has been
changed to be more in line with iproute2's behavior. Thanks to
"KIvosak" for the patch.
* network plugin: Initialization of libgcrypt has been fixed. Thanks to
Chris Lundquist for his patch.
* oracle plugin: Error messages have been improved.
* ping plugin: Don't enter the exponential back-off mode when
ping_send() fails. This should make recovery after a network failure
much faster.
* python plugin: Memory leaks have been fixed. Thanks to Tommie Gannert
and Sven Trenkel for fixing this.
* redis plugin: Fix a compilation problem on FreeBSD. Thanks to
"biancalana" for the fix.
* rrdtool plugin: Fix an out-of-bounds array access when printing a
warning message. Thanks to Will Hawkins for fixing this bug.
* snmp plugin: Support for the SNMP_ENDOFMIBVIEW return value has been
added. Support for more complex / unusual MIBs / subtrees has been
added. Thanks to Mark Juric to test the changes and point out these
problems.
2012-04-01, Version 5.0.4
* Build system: Fix the use of a libltdl macro. Thanks to Clemens Lang
for fixing this. Adresses some issues with building the iptables
plugin under Gentoo.
* libcollectdclient: A memory leak in the lcc_getval() function has
been fixed. Thanks to Jason Schmidlapp for finding and fixing this
issue.
* bind plugin: The use of 'QType" types has been fixed.
* df plugin: Fixed compiler issue under Mac OS X 10.7.
* conntrack plugin: Support zero as legitimate value. Thanks to Louis
Opter for his patch.
* memcached plugin: Increased the size of a static buffer, which was
truncating status messages form memcached. Thanks to Timon for the
patch.
* network plugin: Forwarding of notifications has been disabled. This
was a contition not checked for before, which may retult in an
endless loop.
* processes plugin: Support for process names with spaces has been
added to the Linux implementation. Thanks to Darrell Bishop for his
patch.
* perl plugin: A race condition in several callbacks, including log and
write callbacks, has been fixed. Thanks to "Rrpv" for reporting this
bug.
* snmp plugin: A bug when casting unsigned integers to gauge values has
been fixed: Unsigned integers would be cast to a signed integer and
then to a gauge, possibly resulting in a negative value.
* tcpconns plugin: Compilation with newer versions of the FreeBSD
runtime has been fixed.
2012-02-19, Version 5.0.3
* Build system: Fix problems when building the ipvs and iptables
plugins. Thanks to Sebastian Harl for his patch. A bashism in the
version-gen.sh script has been fixed. Thanks to Jo-Philipp Wich for
his patch.
* csv and rrdtool plugins: Print a more helpful error message when the
DataDir is a symlink pointing to a non-existing location. Thanks to
Jonathan Nieder for his patch.
* exec plugin: Fix a problem when using select(2) to read from file
handles. Thanks to Gerrie Roos for his patch.
* network plugin: An incorrect error message in the handling of the
"Interface" configuration option has been fixed. Thanks to Gerrie
Roos for his patch.
* oracle plugin: A potential endless loop in the error handling has
been fixed.
* python plugin: A crash bug in the configuration handling has been
fixed. Thanks to Sven Trenkel for his patch.
* interfaces plugin: The change which was supposed to ignore "bogus"
interfaces has been reverted, since it ignored legit interfaces, such
as bonding pseudo-devices as well.
2012-01-21, Version 5.0.2
* curl_xml plugin: Fix handling of file:// and other URLs (which don't
follow HTTP status codes). Thanks to Fabien Wernli for his patch!
* df plugin: Fix handling of negative "available" counts. This can
occur with some file systems, for example UFS. Thanks to Toni Ylenius
for his patch.
* interface plugin: "mac" interfaces are now ignored on Solaris. These
pseudo-interfaces occur multiple times, causing warnings. Also switch
to 64-bit counters on Solaris, improving overflow behavior for
high-speed interfaces. Thanks to Eddy Geez and Fabien Wernli for
their patches.
* memory plugin: Account kernel and unused memory under Solaris. Thanks
to Fabien Wernli for his patch.
* network plugin: A bug in the interaction between the Network plugin
and filter chains has been fixed: When a filter modified a field such
as the hostname, subsequent values in the same network packets could
have ended up using the modified name rather than the original name.
Thanks to Sebastian Harl for identifying the problem.
* oracle plugin: A memory leak has been fixed in the parameter handling.
* python plugin: A memory leak has been fixed. Thanks to Sven Trenkel
for fixing this bug!
2011-10-07, Version 5.0.1
* collectd: A mutex leak has been fixed in the meta data code. Thanks
to Rafal Lesniak for his patch.
* collectd: Compatibility fixes for GCC 4.6 have been applied. Thanks
to Peter Green for his patch.
* csv plugin: The line buffer size has been increased. Thanks to Colin
McCabe for the patch.
* curl_json plugin: Don't use the "parent" node to build the type
instance, if it is empty. Compatibility with libyajl 2 has been
added. Thanks to "spupykin" of the Arch Linux project for the initial
code. Formatting of time has been fixed in the JSON module.
* exec plugin: Fix the timestamp value passed to notification scripts.
Thanks to Alexander Kovalenko for fixing this.
* iptables plugin: Fix linking with some versions of libiptc.
* irq plugin: Fix support for interrupts under Linux. The old code
assumed that interrupts have a numeric value -- this is no longer
true for Linux. Thanks to Bostjan Skufca for implementing this.
* notify_desktop plugin: Compatibility with libnotify 0.7 has been
added. Thanks to Samuli Suominen for his patch.
* processes plugin: Fix handling of regular expressions containing
spaces. Thanks for Sebastian Harl for fixing this.
* rrdtool, rrdcached plugins: Improve precision of the XFF parameter.
Previously, values like 0.999 would have been rounded to 1.0. Thanks
to Francois-Xavier Bourlet for fixing this.
* varnish plugin: Fix data type handling of some metrics. Some values
were submitted as gauge even though they were derives.
* Various plugin: Set a multi-threading flag in libcurl. Thanks to Mike
Flisher for the fix.
2011-03-28, Version 5.0.0
* collectd: The "FQDNLookup" option is now enabled by default.
* collectd: The internal representation of time has been changed to
allow a higher accuracy than one second.
* collectdcmd: This new command line utility can send various commands
to collectd using the UnixSock plugin. Thanks to Håkon Dugstad
Johnsen and Sebastian Harl for their code.
* collectd-nagios: The "-m" option has been implemented (treat NaNs as
critical).
* collectd-tg: Traffic generator creating bogus network traffic
compatible to the Network plugin. This utility can be used to
stress-test new write plugins and collectd in general.
* libcollectdclient: Creating and sending network packets has been
added to the collectd client library.
* All data sets: The data source name of all data sets with exactly
one data source has been changed to "value".
* All plugins: All "counter" data sources have been converted to
"derive" data sources. All plugins now use "derive" by default, but
plugins such as the network plugin can still handle "counter", of
course. The minimum value of all derive data sources is zero, the
maximum value is unspecified.
* amqp plugin: The new AMQP plugin can send data to and receive data
from an AMQP broker. Thanks to Sebastien Pahl for his code.
* apache plugin: Backwards compatibility code has been removed.
Support for the IBM HTTP Server has been added. Thanks to Manuel
Luis Sanmartín Rozada for his patch.
* contextswitch plugin: Support for sysctlbyname(3) has been added.
Thanks to Kimo Rosenbaum for his patch.
* df plugin: The default behavior has been changed to be equivalent to
the "ReportReserved" behavior of v4.
* dns plugin: Improved RFC 1035 name parsing has been imported from
"dnstop".
* exec plugin: Backwards compatibility code has been removed.
* GenericJMX plugin: The "InstancePrefix" option has been added to
"Connection" blocks.
* hddtemp plugin: The "TranslateDevicename" config option has been
removed.
* interface plugin: Use the "plugin instance" to store the interface
value.
* libvirt plugin: The "InterfaceFormat" option has been added. Thanks
to Ruben Kerkhof for his patch.
* lpar plugin: New plugins for "logical partitions", a virtualization
technique of POWER CPUs. Thanks to Aurélien Reynaud for his code and
patience.
* modbus plugin: Support for libmodbus 2.9.2 has been added and the
license has been changed to LGPLv2.1.
* mysql plugin: Backwards compatibility code has been removed. The
data sets used have been improved.
* network plugin: The default buffer size has been increased to
1452 bytes.
* perl plugin: Backwards compatibility code has been removed.
* postgresql plugin: Backwards compatibility code has been removed.
* redis plugin: Plugin for collecting statistics from Redis, a key-
value store, has been added. Thanks to Andres J. Diaz for his code.
* swap plugin: Implement collection of physical and virtual memory
statistics under Solaris. The new default is collecting physical
memory. Thanks to Aurélien Reynaud for his patches.
* threshold plugin: The threshold configuration has been moved into
this separate plugin.
* unixsock plugin: The "DeleteSocket" option has been added.
* varnish plugin: The new Varnish plugin reads statistics from
Varnish, a web accelerator. Thanks to Jérôme Renard and Marc
Fournier for their contributions.
* write_redis: New plugin for writing data to Redis, a key-value
store.
* zfs_arc plugin: The data sets have been replaced by more elegant
alternatives.
* v5upgrade target: Target for converting v4 data sets to the v5
schema.
2013-04-07, Version 4.10.9
* Build system: A bad interaction between the Java detection code and
libltdl has been fixed. Thanks to Dave Cottlehuber for his patch.
* apache, ascent, bind, curl, curl_json, curl_xml, nginx and
write_http plugins: Portability fixes, protection from infinite
redirect loops, improved error handling and incorrect dereferences
have been fixed. Most of these are related to the cURL library.
Thanks to Dan Fandrich for his patches.
* logfile plugin: Flush the output file handle. This works around
caching when logging to STDOUT and redirecting into a file. Thanks
to Nathan Huff for the patch.
* network plugin: Build issues under FreeBSD and initialization have
been fixed. Thanks to Ed Schouten for his patch.
* mysql plugin: Fix a memory leak in the error handling. Thanks to
Tomas Doran for his patch.
* thermal plugin: The initialization of dispatched value lists has
been fixed. Thanks to Markus Knetschke for his patch.
* unixsock plugin: Parsing of options with an underscore, e.g.
"plugin_instance" has been fixed. Thanks to Tommie Gannert for his
patch.
2012-11-11, Version 4.10.8
* collectd: Create new directories with mode 0777 and let umask remove
unwanted permission bits.
* collectd: Build issues have been fixed.
* collectd: An incorrect assertion has been fixed in some common code
for Solaris. This should resolve pseudo-random assertion failures
under Solaris. Thanks to Jeff Blane for his help debugging this.
* collectd: A couple of memory leaks through PThread thread attributes
have been fixed. Thanks to Gerrie Roos for fixing these.
* apcups plugin: Improve the reconnect behavior.
* df plugin: Ignore "rootfs" devices under Linux to avoid having them
reported twice. Thanks to Brune Prémont for fixing this.
* disk plugin: Fix incorrect computation of read and write latency (the
"disk_time" type). Previously, the numbers reported where too small
by a factor of "interval", e.g. when the interval is set to 10
seconds, the values were too low by a factor of 10. Thanks to Manuel
Sanmartin for reporting this problem.
* dns plugin: A build issue under Solaris has been fixed. A erroneous
define that could lead to the reporting of bad data has been fixed by
Daniel Sutto.
* memcachec plugin: A bug in the configuration handling has been fixed.
Thanks to Pascal Hofmann for fixing this issue.
* netapp plugin: Correctly close the connection on communication
errors.
* netlink plugin: The function used to query statistics has been
changed to be more in line with iproute2's behavior. Thanks to
"KIvosak" for the patch.
* network plugin: Initialization of libgcrypt has been fixed. Thanks to
Chris Lundquist for his patch.
* oracle plugin: Error messages have been improved.
* ping plugin: Don't enter the exponential back-off mode when
ping_send() fails. This should make recovery after a network failure
much faster.
* python plugin: Memory leaks have been fixed. Thanks to Tommie Gannert
and Sven Trenkel for fixing this.
* rrdtool plugin: Fix an out-of-bounds array access when printing a
warning message. Thanks to Will Hawkins for fixing this bug.
* snmp plugin: Support for the SNMP_ENDOFMIBVIEW return value has been
added. Support for more complex / unusual MIBs / subtrees has been
added. Thanks to Mark Juric to test the changes and point out these
problems.
2012-04-01, Version 4.10.7
* Build system: Fix the use of a libltdl macro. Thanks to Clemens Lang
for fixing this. Adresses some issues with building the iptables
plugin under Gentoo.
* libcollectdclient: A memory leak in the lcc_getval() function has
been fixed. Thanks to Jason Schmidlapp for finding and fixing this
issue.
* bind plugin: The use of 'QType" types has been fixed.
* df plugin: Fixed compiler issue under Mac OS X 10.7.
* conntrack plugin: Support zero as legitimate value. Thanks to Louis
Opter for his patch.
* memcached plugin: Increased the size of a static buffer, which was
truncating status messages form memcached. Thanks to Timon for the
patch.
* network plugin: Forwarding of notifications has been disabled. This
was a contition not checked for before, which may retult in an
endless loop.
* processes plugin: Support for process names with spaces has been
added to the Linux implementation. Thanks to Darrell Bishop for his
patch.
* perl plugin: A race condition in several callbacks, including log and
write callbacks, has been fixed. Thanks to "Rrpv" for reporting this
bug.
* snmp plugin: A bug when casting unsigned integers to gauge values has
been fixed: Unsigned integers would be cast to a signed integer and
then to a gauge, possibly resulting in a negative value.
* tcpconns plugin: Compilation with newer versions of the FreeBSD
runtime has been fixed.
2012-02-19, Version 4.10.6
* Build system: Fix problems when building the ipvs and iptables
plugins. Thanks to Sebastian Harl for his patch. A bashism in the
version-gen.sh script has been fixed. Thanks to Jo-Philipp Wich for
his patch.
* csv and rrdtool plugins: Print a more helpful error message when the
DataDir is a symlink pointing to a non-existing location. Thanks to
Jonathan Nieder for his patch.
* exec plugin: Fix a problem when using select(2) to read from file
handles. Thanks to Gerrie Roos for his patch.
* network plugin: An incorrect error message in the handling of the
"Interface" configuration option has been fixed. Thanks to Gerrie
Roos for his patch.
* oracle plugin: A potential endless loop in the error handling has
been fixed.
* python plugin: A crash bug in the configuration handling has been
fixed. Thanks to Sven Trenkel for his patch.
* interfaces plugin: The change which was supposed to ignore "bogus"
interfaces has been reverted, since it ignored legit interfaces, such
as bonding pseudo-devices as well.
2012-01-21, Version 4.10.5
* curl_xml plugin: Fix handling of file:// and other URLs (which don't
follow HTTP status codes). Thanks to Fabien Wernli for his patch!
* df plugin: Fix handling of negative "available" counts. This can
occur with some file systems, for example UFS. Thanks to Toni Ylenius
for his patch.
* interface plugin: "mac" interfaces are now ignored on Solaris. These
pseudo-interfaces occur multiple times, causing warnings. Also switch
to 64-bit counters on Solaris, improving overflow behavior for
high-speed interfaces. Thanks to Eddy Geez and Fabien Wernli for
their patches.
* memory plugin: Account kernel and unused memory under Solaris. Thanks
to Fabien Wernli for his patch.
* network plugin: A bug in the interaction between the Network plugin
and filter chains has been fixed: When a filter modified a field such
as the hostname, subsequent values in the same network packets could
have ended up using the modified name rather than the original name.
Thanks to Sebastian Harl for identifying the problem.
* oracle plugin: A memory leak has been fixed in the parameter handling.
* python plugin: A memory leak has been fixed. Thanks to Sven Trenkel
for fixing this bug!
2011-10-14, Version 4.10.4
* collectd: A mutex leak has been fixed in the meta data code. Thanks
to Rafal Lesniak for his patch.
* collectd: Compatibility fixes for GCC 4.6 have been applied. Thanks
to Peter Green for his patch.
* csv plugin: The line buffer size has been increased. Thanks to Colin
McCabe for the patch.
* curl_json plugin: Don't use the "parent" node to build the type
instance, if it is empty. Compatibility with libyajl 2 has been
added. Thanks to "spupykin" of the Arch Linux project for the initial
code.
* iptables plugin: Fix linking with some versions of libiptc.
* irq plugin: Fix support for interrupts under Linux. The old code
assumed that interrupts have a numeric value -- this is no longer
true for Linux. Thanks to Bostjan Skufca for implementing this.
* notify_desktop plugin: Compatibility with libnotify 0.7 has been
added. Thanks to Samuli Suominen for his patch.
* processes plugin: Fix handling of regular expressions containing
spaces. Thanks for Sebastian Harl for fixing this.
* rrdtool, rrdcached plugins: Improve precision of the XFF parameter.
Previously, values like 0.999 would have been rounded to 1.0. Thanks
to Francois-Xavier Bourlet for fixing this.
* Various plugin: Set a multi-threading flag in libcurl. Thanks to Mike
Flisher for the fix.
2011-03-26, Version 4.10.3
* Documentation: Several updates and additions. Thanks to Sebastian Harl.
* collectd: Build issues (compiler warnings) have been fixed. Thanks to
Bruno Prémont.
* collectd: Threshold subsection: Handling of NAN values in the
percentage calculation has been fixed.
* collectd, java plugin, ntpd plugin: Several diagnostic messages have
been improved.
* curl_json plugin: Handling of arrays has been fixed.
* libvirt plugin: A bug in reading the virtual CPU statistics has been
fixed. Thanks to “JLPC” for reporting this problem.
* modbus plugin: Compatibility with libmodbus 2.0.3 has been restored.
* processes plugin: Potentially erroneous behavior has been fixed in an
error handling case.
* python plugin: Fix dispatching of values from Python scripts to
collectd. Thanks to Gregory Szorc for finding and fixing this
problem.
2010-11-27, Version 4.10.2
* Documentation: Various documentation fixes.
* collectd: If including one configuration file fails, continue with
the rest of the configuration if possible.
* collectd: Fix a bug in the read function scheduling. In rare cases
read functions may not have been called as often as requested.
* collectd: Concurrency issues with errno(3) under AIX have been
fixed: A thread-safe version of errno has to be requested under AIX.
Thanks to Aurélien Reynaud for his patch.
* collectd: A left-over hard-coded 2 has been replaced by the
configurable timeout value.
* curl, memcachec, tail plugins: Fix handling of "DERIVE" data
sources. Matching the end of a string has been improved; thanks to
Sebastian Harl for the patch.
* curl_json plugin: Fix a problem when parsing 64bit integers. Reading
JSON data from non-HTTP sources has been fixed.
* netapp plugin: Pass the interval setting to the dispatch function.
Restore compatibility to NetApp Release 7.3. Thanks to Sven Trenkel
for the patch.
* network plugin: Be less verbose about unchecked signatures, in order
to prevent spamming the logs.
* notify_email plugin: Concurrency problems have been fixed.
* python plugin: Set "sys.argv", since many scripts don't expect that
it may not be set. Thanks to Sven Trenkel for the patch.
* rrdtool, rrdcached plugin: Fix a too strict assertion when creating
RRD files.
* swap plugin: A bug which lead to incorrect I/O values has been
fixed.
* value match: A minor memory leak has been fixed. Thanks to Sven
Trenkel for the patch.
2010-07-09, Version 4.10.1
* Build system: Checking for "strtok_r" under Solaris has been fixed.
* Portability: Fixes for Solaris 8 have been applied. Thanks to
Alexander Wuerstlein for his patch.
* collectd: The shutdown speed when terminating the read threads has
been improved.
* libcollectdclient: A format error in the PUTVAL command has been
removed. Thanks to Johan Van den Brande for fixing this.
* df plugin: An error message shown when "cu_mount_getlist" fails has
been added.
* processes plugin: Missing initialization code for IO members of a
struct has been added. Thanks to Aurélien Reynaud for fixing this.
* python plugin: Memory leaks in the write and notification callbacks
have been fixed. A possible crash when the plugin was loaded but not
configured has been fixed. Thanks to Sven Trenkel for his patches.
* snmp plugin: Verbosity with regard to unknown ASN types has been
increased. A build problem on PowerPC and ARM processors has been
fixed by Aurélien Reynaud; thanks!
* powerdns plugin: Compatibility changes for PowerDNS 2.9.22 and above
have been applied. Thanks to Luke Heberling for his changes.
2010-05-01, Version 4.10.0
* collectd: JSON output now includes the "dstypes" and "dsnames"
fields. This makes it easier for external applications to interpret
the data. Thanks to Chris Buben for his work.
* collectd: The new "Timeout" option can be used to specify a
"timeout" for missing values. This is used in the threshold checking
code to detect missing values. Thanks to Andrés J. Díaz for the
patch.
* apache plugin: Support for "IdleWorkers" (Apache 1.*: "IdleServers")
has been added.
* curl plugin: The new "ExcludeRegex" allows to easily exclude certain
lines from the match.
* curl_xml plugin: This new plugin allows to read XML files using cURL
and extract metrics included in the files. Thanks to Amit Gupta for
his work.
* filecount plugin: The new "IncludeHidden" option allows to include
"hidden" files and directories in the statistics. Thanks to Vaclav
Malek for the patch.
* logfile plugin: The new "PrintSeverity" option allows to include the
severity of a message in the output. Thanks to Clément Stenac for
his patch.
* memcachec plugin: The new "ExcludeRegex" allows to easily exclude
certain lines from the match.
* modbus plugin: This new plugin allows to read registers from
Modbus-TCP enabled devices.
* network plugin: The new "Interface" option allows to set the
interface to be used for multicast and, if supported, unicast
traffic. Thanks to Max Henkel for his work.
* openvpn plugin: The "CollectUserCount" and "CollectIndividualUsers"
options allow more detailed control over how to report sessions of
multiple users. Thanks to Fabian Schuh for his work.
* pinba plugin: This new plugin receives timing information from the
Pinba PHP extension, which can be used for profiling PHP code and
webserver performance. Thanks to Phoenix Kayo for his work.
* ping plugin: The new "MaxMissed" allows to re-resolve a hosts
address when it doesn't reply to a number of ping requests. Thanks
to Stefan Völkel for the patch.
* postgresql plugin: The "Interval" config option has been added. The
plugin has been relicensed under the 2-clause BSD license. Thanks to
Sebastian Harl for his work.
* processes plugin: Support for "code" and "data" virtual memory sizes
has been added. Thanks to Clément Stenac for his patch.
* python plugin: Support for Python 3 has been implemented. Thanks to
Sven Trenkel for his work.
* routeros plugin: Support for collecting CPU load, memory usage, used
and free disk space, sectors written and number of bad blocks from
MikroTik devices has been added.
* swap plugin: Support for Linux < 2.6 has been added. Thanks to Lorin
Scraba for his patch.
* tail plugin: The new "ExcludeRegex" allows to easily exclude certain
lines from the match. Thanks to Peter Warasin for his patch.
* write_http plugin: The "StoreRates" option has been added. Thanks to
Paul Sadauskas for his patch.
* regex match: The "Invert" option has been added. Thanks to Julien
Ammous for his patch.
2011-03-26, Version 4.9.5
* Documentation: Several updates and additions. Thanks to Sebastian Harl.
* collectd: Build issues (compiler warnings) have been fixed. Thanks to
Bruno Prémont.
* collectd: Threshold subsection: Handling of NAN values in the
percentage calculation has been fixed.
* collectd, java plugin, ntpd plugin: Several diagnostic messages have
been improved.
* libvirt plugin: A bug in reading the virtual CPU statistics has been
fixed. Thanks to “JLPC” for reporting this problem.
* processes plugin: Potentially erroneous behavior has been fixed in an
error handling case.
* python plugin: Fix dispatching of values from Python scripts to
collectd. Thanks to Gregory Szorc for finding and fixing this
problem.
2010-11-27, Version 4.9.4
* Documentation: Various documentation fixes.
* collectd: If including one configuration file fails, continue with
the rest of the configuration if possible.
* collectd: Fix a bug in the read function scheduling. In rare cases
read functions may not have been called as often as requested.
* collectd: Concurrency issues with errno(3) under AIX have been
fixed: A thread-safe version of errno has to be requested under AIX.
Thanks to Aurélien Reynaud for his patch.
* curl, memcachec, tail plugins: Fix handling of "DERIVE" data
sources. Matching the end of a string has been improved; thanks to
Sebastian Harl for the patch.
* curl_json plugin: Fix a problem when parsing 64bit integers. Reading
JSON data from non-HTTP sources has been fixed.
* netapp plugin: Pass the interval setting to the dispatch function.
Restore compatibility to NetApp Release 7.3. Thanks to Sven Trenkel
for the patch.
* network plugin: Be less verbose about unchecked signatures, in order
to prevent spamming the logs.
* notify_email plugin: Concurrency problems have been fixed.
* python plugin: Set "sys.argv", since many scripts don't expect that
it may not be set. Thanks to Sven Trenkel for the patch.
* rrdtool, rrdcached plugin: Fix a too strict assertion when creating
RRD files.
* value match: A minor memory leak has been fixed. Thanks to Sven
Trenkel for the patch.
2010-07-09, Version 4.9.3
* Build system: Checking for "strtok_r" under Solaris has been fixed.
* Portability: Fixes for Solaris 8 have been applied. Thanks to
Aurélien Reynaud and Alexander Wuerstlein for their patches.
* collectd: The shutdown speed when terminating the read threads has
been improved.
* collectd-nagios: The format of the performance data has been fixed.
* libcollectdclient: A format error in the PUTVAL command has been
removed. Thanks to Johan Van den Brande for fixing this.
* df plugin: An error message shown when "cu_mount_getlist" fails has
been added.
* processes plugin: Missing initialization code for IO members of a
struct has been added. Thanks to Aurélien Reynaud for fixing this.
* python plugin: Memory leaks in the write and notification callbacks
have been fixed. A possible crash when the plugin was loaded but not
configured has been fixed. Thanks to Sven Trenkel for his patches.
* rrdcached plugin: A build issue has been resolved. Thanks to
Thorsten von Eicken for the patch.
* snmp plugin: Verbosity with regard to unknown ASN types has been
increased. A build problem on PowerPC and ARM processors has been
fixed by Aurélien Reynaud; thanks!
* powerdns plugin: Compatibility changes for PowerDNS 2.9.22 and above
have been applied. Thanks to Luke Heberling for his changes.
2010-04-22, Version 4.9.2
* Build system, various plugins: Fixes for AIX compatibility have been
added. Thanks to Manuel Sanmartin for his patches.
* Build system: Checking for "nanosleep" on old Solaris machines has
been fixed. Thanks to Vincent McIntyre and Sebastian Harl for
figuring out a way to make this work.
* collectd: Append a newline to messages written to STDERR.
* collectd: Serialization of NANs in JSON format has been fixed.
Thanks to Chris Buben for pointing out the resulting syntax error.
* collectd: Checks whether a "sleep" returned early have been added;
the cases are now handled correctly. Thanks to Michael Stapelberg
for the patch.
* collectd: Continue reading files in a directory when parsing one
file fails.
* apache plugin: Collection of the number of active connections has
been fixed for Apache 2.*.
* contextswitch plugin: Handle large counter/derive values correctly.
Thanks to Martin Merkel for reporting the bug.
* exec plugin: Error messages have been improved. The "running" flag
is now cleared correctly when forking a child fails.
* iptables plugin: Fix a violation of aliasing rules. This resolves a
warning / error with new GCC versions. Thanks to Jan Engelhardt for
the work-around.
* java plugin: The Java API files are now packaged into a .jar file.
Thanks to Amit Gupta for his patch.
* network plugin: Fix a segmentation fault when receiving packets with
an unknown data source type.
* network plugin: A memory leak when receiving encrypted network
packets has been fixed.
* openvpn plugin: Fix naming schema when reading "MULTI1" type status
files.
* oracle plugin: Fix checking for lost connections and reconnect in
this case. Thanks to Sven Trenkel for pointing out the problem.
* unixsock plugin: A memory leak in the "LISTVAL" command has been
fixed. Thanks to Peter Warasin for pointing it out.
* write_http plugin: Use the "any" authentication schema. This used to
be "digest". Thanks to Paul Sadauskas for the patch.
2010-01-14, Version 4.9.1
* Documentation: Some manpage fixes.
* Default config: Added sample configuration for missing plugins.
* apache plugin: Fix a segmentation fault in the config handling of
VerifyPeer / VerifyHost. Thanks to "plazmus" for his or her patch.
* processes plugin: Fix handling of derive data sources.
* rrdtool plugin: Fix a bug with random write timeouts. Due to an
incorrect initialization some files may be suspended basically
indefinitely. After flushing the files they were written regularly