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ChangeLog
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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.
2012-04-01, 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.
2012-04-01, Version 4.10.7
* Build system: Fix the use of a libltdl macro. Thanks to Clemens Lang
for fixing this. Adresses some issues with building the iptables
plugin under Gentoo.
* libcollectdclient: A memory leak in the lcc_getval() function has
been fixed. Thanks to Jason Schmidlapp for finding and fixing this
issue.
* bind plugin: The use of 'QType" types has been fixed.
* df plugin: Fixed compiler issue under Mac OS X 10.7.
* conntrack plugin: Support zero as legitimate value. Thanks to Louis
Opter for his patch.
* memcached plugin: Increased the size of a static buffer, which was
truncating status messages form memcached. Thanks to Timon for the
patch.
* network plugin: Forwarding of notifications has been disabled. This
was a contition not checked for before, which may retult in an
endless loop.
* processes plugin: Support for process names with spaces has been
added to the Linux implementation. Thanks to Darrell Bishop for his
patch.
* perl plugin: A race condition in several callbacks, including log and
write callbacks, has been fixed. Thanks to "Rrpv" for reporting this
bug.
* snmp plugin: A bug when casting unsigned integers to gauge values has
been fixed: Unsigned integers would be cast to a signed integer and
then to a gauge, possibly resulting in a negative value.
* tcpconns plugin: Compilation with newer versions of the FreeBSD
runtime has been fixed.
2012-02-19, Version 4.10.6
* Build system: Fix problems when building the ipvs and iptables
plugins. Thanks to Sebastian Harl for his patch. A bashism in the
version-gen.sh script has been fixed. Thanks to Jo-Philipp Wich for
his patch.
* csv and rrdtool plugins: Print a more helpful error message when the
DataDir is a symlink pointing to a non-existing location. Thanks to
Jonathan Nieder for his patch.
* exec plugin: Fix a problem when using select(2) to read from file
handles. Thanks to Gerrie Roos for his patch.
* network plugin: An incorrect error message in the handling of the
"Interface" configuration option has been fixed. Thanks to Gerrie
Roos for his patch.
* oracle plugin: A potential endless loop in the error handling has
been fixed.
* python plugin: A crash bug in the configuration handling has been
fixed. Thanks to Sven Trenkel for his patch.
* interfaces plugin: The change which was supposed to ignore "bogus"
interfaces has been reverted, since it ignored legit interfaces, such
as bonding pseudo-devices as well.
2012-01-21, Version 4.10.5
* curl_xml plugin: Fix handling of file:// and other URLs (which don't
follow HTTP status codes). Thanks to Fabien Wernli for his patch!
* df plugin: Fix handling of negative "available" counts. This can
occur with some file systems, for example UFS. Thanks to Toni Ylenius
for his patch.
* interface plugin: "mac" interfaces are now ignored on Solaris. These
pseudo-interfaces occur multiple times, causing warnings. Also switch
to 64-bit counters on Solaris, improving overflow behavior for
high-speed interfaces. Thanks to Eddy Geez and Fabien Wernli for
their patches.
* memory plugin: Account kernel and unused memory under Solaris. Thanks
to Fabien Wernli for his patch.
* network plugin: A bug in the interaction between the Network plugin
and filter chains has been fixed: When a filter modified a field such
as the hostname, subsequent values in the same network packets could
have ended up using the modified name rather than the original name.
Thanks to Sebastian Harl for identifying the problem.
* oracle plugin: A memory leak has been fixed in the parameter handling.
* python plugin: A memory leak has been fixed. Thanks to Sven Trenkel
for fixing this bug!
2011-10-14, Version 4.10.4
* collectd: A mutex leak has been fixed in the meta data code. Thanks
to Rafal Lesniak for his patch.
* collectd: Compatibility fixes for GCC 4.6 have been applied. Thanks
to Peter Green for his patch.
* csv plugin: The line buffer size has been increased. Thanks to Colin
McCabe for the patch.
* curl_json plugin: Don't use the "parent" node to build the type
instance, if it is empty. Compatibility with libyajl 2 has been
added. Thanks to "spupykin" of the Arch Linux project for the initial
code.
* iptables plugin: Fix linking with some versions of libiptc.
* irq plugin: Fix support for interrupts under Linux. The old code
assumed that interrupts have a numeric value -- this is no longer
true for Linux. Thanks to Bostjan Skufca for implementing this.
* notify_desktop plugin: Compatibility with libnotify 0.7 has been
added. Thanks to Samuli Suominen for his patch.
* processes plugin: Fix handling of regular expressions containing
spaces. Thanks for Sebastian Harl for fixing this.
* rrdtool, rrdcached plugins: Improve precision of the XFF parameter.
Previously, values like 0.999 would have been rounded to 1.0. Thanks
to Francois-Xavier Bourlet for fixing this.
* Various plugin: Set a multi-threading flag in libcurl. Thanks to Mike
Flisher for the fix.
2011-03-26, Version 4.10.3
* Documentation: Several updates and additions. Thanks to Sebastian Harl.
* collectd: Build issues (compiler warnings) have been fixed. Thanks to
Bruno Prémont.
* collectd: Threshold subsection: Handling of NAN values in the
percentage calculation has been fixed.
* collectd, java plugin, ntpd plugin: Several diagnostic messages have
been improved.
* curl_json plugin: Handling of arrays has been fixed.
* libvirt plugin: A bug in reading the virtual CPU statistics has been
fixed. Thanks to “JLPC” for reporting this problem.
* modbus plugin: Compatibility with libmodbus 2.0.3 has been restored.
* processes plugin: Potentially erroneous behavior has been fixed in an
error handling case.
* python plugin: Fix dispatching of values from Python scripts to
collectd. Thanks to Gregory Szorc for finding and fixing this
problem.
2010-11-27, Version 4.10.2
* Documentation: Various documentation fixes.
* collectd: If including one configuration file fails, continue with
the rest of the configuration if possible.
* collectd: Fix a bug in the read function scheduling. In rare cases
read functions may not have been called as often as requested.
* collectd: Concurrency issues with errno(3) under AIX have been
fixed: A thread-safe version of errno has to be requested under AIX.
Thanks to Aurélien Reynaud for his patch.
* collectd: A left-over hard-coded 2 has been replaced by the
configurable timeout value.
* curl, memcachec, tail plugins: Fix handling of "DERIVE" data
sources. Matching the end of a string has been improved; thanks to
Sebastian Harl for the patch.
* curl_json plugin: Fix a problem when parsing 64bit integers. Reading
JSON data from non-HTTP sources has been fixed.
* netapp plugin: Pass the interval setting to the dispatch function.
Restore compatibility to NetApp Release 7.3. Thanks to Sven Trenkel
for the patch.
* network plugin: Be less verbose about unchecked signatures, in order
to prevent spamming the logs.
* notify_email plugin: Concurrency problems have been fixed.
* python plugin: Set "sys.argv", since many scripts don't expect that
it may not be set. Thanks to Sven Trenkel for the patch.
* rrdtool, rrdcached plugin: Fix a too strict assertion when creating
RRD files.
* swap plugin: A bug which lead to incorrect I/O values has been
fixed.
* value match: A minor memory leak has been fixed. Thanks to Sven
Trenkel for the patch.
2010-07-09, Version 4.10.1
* Build system: Checking for "strtok_r" under Solaris has been fixed.
* Portability: Fixes for Solaris 8 have been applied. Thanks to
Alexander Wuerstlein for his patch.
* collectd: The shutdown speed when terminating the read threads has
been improved.
* libcollectdclient: A format error in the PUTVAL command has been
removed. Thanks to Johan Van den Brande for fixing this.
* df plugin: An error message shown when "cu_mount_getlist" fails has
been added.
* processes plugin: Missing initialization code for IO members of a
struct has been added. Thanks to Aurélien Reynaud for fixing this.
* python plugin: Memory leaks in the write and notification callbacks
have been fixed. A possible crash when the plugin was loaded but not
configured has been fixed. Thanks to Sven Trenkel for his patches.
* snmp plugin: Verbosity with regard to unknown ASN types has been
increased. A build problem on PowerPC and ARM processors has been
fixed by Aurélien Reynaud; thanks!
* powerdns plugin: Compatibility changes for PowerDNS 2.9.22 and above
have been applied. Thanks to Luke Heberling for his changes.
2010-05-01, Version 4.10.0
* collectd: JSON output now includes the "dstypes" and "dsnames"
fields. This makes it easier for external applications to interpret
the data. Thanks to Chris Buben for his work.
* collectd: The new "Timeout" option can be used to specify a
"timeout" for missing values. This is used in the threshold checking
code to detect missing values. Thanks to Andrés J. Díaz for the
patch.
* apache plugin: Support for "IdleWorkers" (Apache 1.*: "IdleServers")
has been added.
* curl plugin: The new "ExcludeRegex" allows to easily exclude certain
lines from the match.
* curl_xml plugin: This new plugin allows to read XML files using cURL
and extract metrics included in the files. Thanks to Amit Gupta for
his work.
* filecount plugin: The new "IncludeHidden" option allows to include
"hidden" files and directories in the statistics. Thanks to Vaclav
Malek for the patch.
* logfile plugin: The new "PrintSeverity" option allows to include the
severity of a message in the output. Thanks to Clément Stenac for
his patch.
* memcachec plugin: The new "ExcludeRegex" allows to easily exclude
certain lines from the match.
* modbus plugin: This new plugin allows to read registers from
Modbus-TCP enabled devices.
* network plugin: The new "Interface" option allows to set the
interface to be used for multicast and, if supported, unicast
traffic. Thanks to Max Henkel for his work.
* openvpn plugin: The "CollectUserCount" and "CollectIndividualUsers"
options allow more detailed control over how to report sessions of
multiple users. Thanks to Fabian Schuh for his work.
* pinba plugin: This new plugin receives timing information from the
Pinba PHP extension, which can be used for profiling PHP code and
webserver performance. Thanks to Phoenix Kayo for his work.
* ping plugin: The new "MaxMissed" allows to re-resolve a hosts
address when it doesn't reply to a number of ping requests. Thanks
to Stefan Völkel for the patch.
* postgresql plugin: The "Interval" config option has been added. The
plugin has been relicensed under the 2-clause BSD license. Thanks to
Sebastian Harl for his work.
* processes plugin: Support for "code" and "data" virtual memory sizes
has been added. Thanks to Clément Stenac for his patch.
* python plugin: Support for Python 3 has been implemented. Thanks to
Sven Trenkel for his work.
* routeros plugin: Support for collecting CPU load, memory usage, used
and free disk space, sectors written and number of bad blocks from
MikroTik devices has been added.
* swap plugin: Support for Linux < 2.6 has been added. Thanks to Lorin
Scraba for his patch.
* tail plugin: The new "ExcludeRegex" allows to easily exclude certain
lines from the match. Thanks to Peter Warasin for his patch.
* write_http plugin: The "StoreRates" option has been added. Thanks to
Paul Sadauskas for his patch.
* regex match: The "Invert" option has been added. Thanks to Julien
Ammous for his patch.
2011-03-26, Version 4.9.5
* Documentation: Several updates and additions. Thanks to Sebastian Harl.
* collectd: Build issues (compiler warnings) have been fixed. Thanks to
Bruno Prémont.
* collectd: Threshold subsection: Handling of NAN values in the
percentage calculation has been fixed.
* collectd, java plugin, ntpd plugin: Several diagnostic messages have
been improved.
* libvirt plugin: A bug in reading the virtual CPU statistics has been
fixed. Thanks to “JLPC” for reporting this problem.
* processes plugin: Potentially erroneous behavior has been fixed in an
error handling case.
* python plugin: Fix dispatching of values from Python scripts to
collectd. Thanks to Gregory Szorc for finding and fixing this
problem.
2010-11-27, Version 4.9.4
* Documentation: Various documentation fixes.
* collectd: If including one configuration file fails, continue with
the rest of the configuration if possible.
* collectd: Fix a bug in the read function scheduling. In rare cases
read functions may not have been called as often as requested.
* collectd: Concurrency issues with errno(3) under AIX have been
fixed: A thread-safe version of errno has to be requested under AIX.
Thanks to Aurélien Reynaud for his patch.
* curl, memcachec, tail plugins: Fix handling of "DERIVE" data
sources. Matching the end of a string has been improved; thanks to
Sebastian Harl for the patch.
* curl_json plugin: Fix a problem when parsing 64bit integers. Reading
JSON data from non-HTTP sources has been fixed.
* netapp plugin: Pass the interval setting to the dispatch function.
Restore compatibility to NetApp Release 7.3. Thanks to Sven Trenkel
for the patch.
* network plugin: Be less verbose about unchecked signatures, in order
to prevent spamming the logs.
* notify_email plugin: Concurrency problems have been fixed.
* python plugin: Set "sys.argv", since many scripts don't expect that
it may not be set. Thanks to Sven Trenkel for the patch.
* rrdtool, rrdcached plugin: Fix a too strict assertion when creating
RRD files.
* value match: A minor memory leak has been fixed. Thanks to Sven
Trenkel for the patch.
2010-07-09, Version 4.9.3
* Build system: Checking for "strtok_r" under Solaris has been fixed.
* Portability: Fixes for Solaris 8 have been applied. Thanks to
Aurélien Reynaud and Alexander Wuerstlein for their patches.
* collectd: The shutdown speed when terminating the read threads has
been improved.
* collectd-nagios: The format of the performance data has been fixed.
* libcollectdclient: A format error in the PUTVAL command has been
removed. Thanks to Johan Van den Brande for fixing this.
* df plugin: An error message shown when "cu_mount_getlist" fails has
been added.
* processes plugin: Missing initialization code for IO members of a
struct has been added. Thanks to Aurélien Reynaud for fixing this.
* python plugin: Memory leaks in the write and notification callbacks
have been fixed. A possible crash when the plugin was loaded but not
configured has been fixed. Thanks to Sven Trenkel for his patches.
* rrdcached plugin: A build issue has been resolved. Thanks to
Thorsten von Eicken for the patch.
* snmp plugin: Verbosity with regard to unknown ASN types has been
increased. A build problem on PowerPC and ARM processors has been
fixed by Aurélien Reynaud; thanks!
* powerdns plugin: Compatibility changes for PowerDNS 2.9.22 and above
have been applied. Thanks to Luke Heberling for his changes.
2010-04-22, Version 4.9.2
* Build system, various plugins: Fixes for AIX compatibility have been
added. Thanks to Manuel Sanmartin for his patches.
* Build system: Checking for "nanosleep" on old Solaris machines has
been fixed. Thanks to Vincent McIntyre and Sebastian Harl for
figuring out a way to make this work.
* collectd: Append a newline to messages written to STDERR.
* collectd: Serialization of NANs in JSON format has been fixed.
Thanks to Chris Buben for pointing out the resulting syntax error.
* collectd: Checks whether a "sleep" returned early have been added;
the cases are now handled correctly. Thanks to Michael Stapelberg
for the patch.
* collectd: Continue reading files in a directory when parsing one
file fails.
* apache plugin: Collection of the number of active connections has
been fixed for Apache 2.*.
* contextswitch plugin: Handle large counter/derive values correctly.
Thanks to Martin Merkel for reporting the bug.
* exec plugin: Error messages have been improved. The "running" flag
is now cleared correctly when forking a child fails.
* iptables plugin: Fix a violation of aliasing rules. This resolves a
warning / error with new GCC versions. Thanks to Jan Engelhardt for
the work-around.
* java plugin: The Java API files are now packaged into a .jar file.
Thanks to Amit Gupta for his patch.
* network plugin: Fix a segmentation fault when receiving packets with
an unknown data source type.
* network plugin: A memory leak when receiving encrypted network
packets has been fixed.
* openvpn plugin: Fix naming schema when reading "MULTI1" type status
files.
* oracle plugin: Fix checking for lost connections and reconnect in
this case. Thanks to Sven Trenkel for pointing out the problem.
* unixsock plugin: A memory leak in the "LISTVAL" command has been
fixed. Thanks to Peter Warasin for pointing it out.
* write_http plugin: Use the "any" authentication schema. This used to
be "digest". Thanks to Paul Sadauskas for the patch.
2010-01-14, Version 4.9.1
* Documentation: Some manpage fixes.
* Default config: Added sample configuration for missing plugins.
* apache plugin: Fix a segmentation fault in the config handling of
VerifyPeer / VerifyHost. Thanks to "plazmus" for his or her patch.
* processes plugin: Fix handling of derive data sources.
* rrdtool plugin: Fix a bug with random write timeouts. Due to an
incorrect initialization some files may be suspended basically
indefinitely. After flushing the files they were written regularly
again.
* routeros plugin: Use the node name for the "host" field.
* Monitorus.pm: Put the plugin into the "Collectd::Plugins" namespace.
* Perl bindings: Fix a warning that was printed when building
debugging output.
2009-12-21, Version 4.9.0
* contextswitch plugin: The new ContextSwitch plugin gathers the
number of context switches done by the CPU. Thanks to Patrik
Weiskircher for the patch.
* cpu plugin: Support for SMP (multiple processors) under FreeBSD has
been added. Thanks to Doug MacEachern for the patch.
* curl plugin: The “MeasureResponseTime” option has been added. Thanks
to Aman Gupta for the patch.
* df plugin: Collecting the inode count and reserved space has been
added. Thanks to Patrik Weiskircher for the patch.
* exec plugin: The environment variables “COLLECTD_INTERVAL” and
“COLLECTD_HOSTNAME” are now set before executing the application.
* Monitorus plugin: This Perl-based plugin to query statistics from
mon.itor.us has been added. Thanks to Jeff Green for the patch.
* netapp plugin: New plugin to collect statistics from NetApp filers.
Thanks to Sven Trenkel of the noris network AG for the patch.
* network plugin: Statistics collection about the plugin itself has
been implemented.
* openvpn plugin: Add support for more versions of the “status file”.
Thanks to Marco Chiappero for the patch.
* OpenVZ plugin: This Perl-based plugin to gather OpenVZ statistics
has been added. Thanks to Jonathan Kolb for the patch.
* ping plugin: The config options "SourceAddress" and "Device"
have been added. Thanks to Sebastian Harl for the patch.
* processes plugin: Collection of IO-metrics has been added. Thanks to
Andrés J. Díaz for the patch.
* python plugin: The new Python plugin integrates a Python interpreter
into collectd and allows to execute plugins written in the scripting
language. Thanks to Sven Trenkel for his work.
* routeros plugin: The new RouterOS plugin queries interface and
wireless registration statistics from RouterOS.
* Various plugins: AIX support has been added to the cpu, disk,
interface, load, memory, processes, and swap plugins. Thanks to
Manuel Sanmartin for his patches.
* hashed match: This match for simple load balancing and redundant
storage has been added.
* scale target: This target to scale (multiply) values by an arbitrary
value has been added.
2010-04-22, Version 4.8.5
* collectd: Append a newline to messages written to STDERR.
* network plugin: Fix a segmentation fault when receiving packets with
an unknown data source type.
2010-04-07, Version 4.8.4
* Build system, various plugins: Fixes for AIX compatibility have been
added. Thanks to Manuel Sanmartin for his patches.
* Build system: Checking for "nanosleep" on old Solaris machines has
been fixed. Thanks to Vincent McIntyre and Sebastian Harl for
figuring out a way to make this work.
* collectd: Serialization of NANs in JSON format has been fixed.
Thanks to Chris Buben for pointing out the resulting syntax error.
* collectd: Checks whether a "sleep" returned early have been added;
the cases are now handled correctly. Thanks to Michael Stapelberg
for the patch.
* collectd: Continue reading files in a directory when parsing one
file fails.
* apache plugin: Collection of the number of active connections has
been fixed for Apache 2.*.
* exec plugin: Error messages have been improved. The "running" flag
is now cleared correctly when forking a child fails.
* iptables plugin: Fix a violation of aliasing rules. This resolves a
warning / error with new GCC versions. Thanks to Jan Engelhardt for
the work-around.
* java plugin: The Java API files are now packaged into a .jar file.
Thanks to Amit Gupta for his patch.
* network plugin: A memory leak when receiving encrypted network
packets has been fixed.
* oracle plugin: Fix checking for lost connections and reconnect in
this case. Thanks to Sven Trenkel for pointing out the problem.
* unixsock plugin: A memory leak in the "LISTVAL" command has been
fixed. Thanks to Peter Warasin for pointing it out.
* write_http plugin: Use the "any" authentication schema. This used to
be "digest". Thanks to Paul Sadauskas for the patch.
2010-01-14, Version 4.8.3
* Documentation: Some manpage fixes.
* rrdtool plugin: Fix a bug with random write timeouts. Due to an
incorrect initialization some files may be suspended basically
indefinitely. After flushing the files they were written regularly
again.
2009-12-18, Version 4.8.2
* Build system, java plugin: Don't use “find -L” to search for Java
headers, because it's a GNU extension.
* Build system: Support for parallel builds has been improved. Thanks
Sebastian Harl and Stefan Völkel for looking into this.
* collectd: Print error messages to STDERR if no log plugin has been
loaded.
* genericjmx plugin: Close and re-open the connection upon I/O-errors.
* gmond plugin: Fix typos which caused syntax errors.
* memory plugin: Handling of >4 Gbyte of memory has been fixed.
* network plugin: The license has been changed to LGPL 2.1.
* oracle plugin: Reconnect to the database if the connection dies.
* rrdcached plugin: Work-around for a bug in RRDtool 1.4rc2 has been
added.
* snmp plugin: Handling of negative values has been fixed. Strings
containing control characters are now interpreted as hex-strings.
* unixsock plugin: A memory leak in the LISTVAL command has been
fixed. Thanks to Ben Knight for his patch.
2009-10-04, Version 4.8.1
* Build system: Issues when building the iptables plugin have been
fixed.
* exec plugin: Clear the signal block mask before calling exec(2).
* perl plugin: Declare the “environ” variable. This solves build
issues on some platforms.
* processes plugin: Remove unnecessary call of realloc(3). Thanks to
Andrés J. Díaz for the patch.
* unixsock plugin: Fix a (well hidden) race condition related to file
descriptor handling.
2009-09-13, Version 4.8.0
* collectd: Two new data source types, “DERIVE” and “ABSOLUTE”, have
been added. “DERIVE” can be used for counters that are reset
occasionally. Thanks to Mariusz Gronczewski for implementing this.
* thresholds: The advanced threshold options “Percentage”, “Hits”, and
“Hysteresis” have been added. Thanks to Andrés J. Díaz for his
patches.
* curl_json plugin: The new cURL-JSON plugin reads JSON files using
the cURL library and parses the contents according to user
specification. Among other things, this allows to read statistics
from a CouchDB instance. Thanks to Doug MacEachern for the patch.
* df plugin: Using the new “ReportByDevice” option the device rather
than the mount point can be used to identify partitions. Thanks to
Paul Sadauskas for the patch.
* dns plugin: The possibility to ignore numeric QTypes has been added.
Thanks to Mirko Buffoni for the patch.
* GenericJMX plugin: The new, Java-based GenericJMX plugin allows to
query arbitrary data from a Java process using the “Java Management
Extensions” (JMX).
* madwifi plugin: The new MadWifi plugin collects information about
Atheros wireless LAN chipsets from the MadWifi driver. Thanks to
Ondrej Zajicek for his patches.
* network plugin: The receive- and send-buffer-sizes have been made
configurable, allowing for bigger and smaller packets. Thanks to
Aman Gupta for the patch.
* olsrd plugin: The new OLSRd plugin queries routing information from
the “Optimized Link State Routing” daemon.
* rrdtool plugin: A new configuration option allows to define a random
write delay when writing RRD files. This spreads the load created by
writing RRD files more evenly. Thanks to Mariusz Gronczewski for the
patch.
* swap plugin: The possibility to collect swapped in/out pages has
been added to the Swap plugin. Thanks to Stefan Völkel for the
patch.
* tokyotyrant plugin: The new TokyoTyrant plugin reads the number of
records and file size from a running Tokyo Tyrant server. Thanks to
Paul Sadauskas for the patch.
* unixsock plugin: Add the “GETTHRESHOLD” command. This command can be
used to query the thresholds configured for a particular identifier.
* write_http plugin: The new Write HTTP plugin sends the values
collected by collectd to a web-server using HTTP POST requests.
Thanks to Paul Sadauskas for the patch.
* zfs_arc plugin: The new ZFS ARC plugin collects information about
the “Adaptive Replacement Cache” (ARC) of the “Zeta File-System”
(ZFS). Thanks to Anthony Dewhurst for the patch.
* empty_counter match: The new Empty Counter match matches value
lists, where at least one data source is of type COUNTER and the
counter value of all counter data sources is zero.
2009-12-18, Version 4.7.5
* Build system, java plugin: Don't use “find -L” to search for Java
headers, because it's a GNU extension.
* Build system: Support for parallel builds has been improved. Thanks
Sebastian Harl and Stefan Völkel for looking into this.
* collectd: Print error messages to STDERR if no log plugin has been
loaded.
* memory plugin: Handling of >4 Gbyte of memory has been fixed.
* network plugin: The license has been changed to LGPL 2.1.
* oracle plugin: Reconnect to the database if the connection dies.
* rrdcached plugin: Work-around for a bug in RRDtool 1.4rc2 has been
added.
* snmp plugin: Handling of negative values has been fixed. Strings
containing control characters are now interpreted as hex-strings.
* unixsock plugin: A memory leak in the LISTVAL command has been
fixed. Thanks to Ben Knight for his patch.
2009-10-03, Version 4.7.4
* Build system: Issues when building the iptables plugin have been
fixed.
* exec plugin: Clear the signal block mask before calling exec(2).
* perl plugin: Declare the “environ” variable. This solves build
issues on some platforms.
* processes plugin: Remove unnecessary call of realloc(3). Thanks to
Andrés J. Díaz for the patch.
* unixsock plugin: Fix a (well hidden) race condition related to file
descriptor handling.
2009-09-13, Version 4.7.3
* collectd: Fix a possible but very rare invalid “free” in the caching
code. Thanks to Sebastian Harl for the patch.
* collectd: Remove old values when a cache entry is marked as missing.
This way the “GETVAL” command of the UnixSock plugin doesn't return
old, no longer valid values when this happens. Thanks to Andrés J.
Díaz for the patch.
* collectd: The “plugin_unregister_read” function has been fixed.
* apache, ascent, bind, curl, nginx plugins: Advise the cURL library
to follow redirects. Thanks to Joey Hess for reporting this bug.
* df plugin: Check the ignorelist before stating the file system,
possibly reducing the number of stats considerably. Thanks to Joey
Hess for reporting this bug.
* iptables plugin: Support for the new libiptc API has been added.
Thanks to Sebastian Harl for the patch. The build system has been
updated to the plugin only includes the shipped header files when it
is linked with the shipped library, too.
* java plugin: Delay creating the JVM until after the daemon has
forked. The JVM internally creates threads that are lost when
forking. This means that Java-based plugins are now configured
during the init-phase, i. e. later than other plugins.
* libvirt plugin: Re-connect to libvirtd if connecting fails. Thanks
to Alan Pevec for the patch.
* network plugin: Fix the handling of the “CacheFlush” option: The
value was assigned to a wrong variable. The initialization of the
gcrypt library, which is used for signing / encrypting traffic, has
been fixed. Thanks to Luke Heberling for the patch.
* powerdns plugin: Set a timeout when reading data from the datagram
socket. Handling of the “LocalSocket” option has been fixed. An
incorrectly used “type” has been corrected. Thanks to Luke Heberling
for his patches.
2009-07-19, Version 4.7.2
* Build system: Support for `DESTDIR' has been fixed in the Java
bindings.
* collectd: Okay-notifications have been fixed. Thanks to Andrés J.
Díaz for fixing this bug.
* collectd: A programming error has been fixed in the notification
code. The bug may result in an assertion failure.
* memcached plugin: Portability fix for Solaris. Thanks to Amit Gupta
for reporting the bug.
* ping plugin: Link the plugin with libm.
2009-06-02, Version 4.7.1
* Build system: Detection of Java has been improved and missing
details have been added to the configuration summary. Support for
libtool 2.2 has been added.
* collectd: Two bugs with the threshold checking have been fixed. The
first one prevented thresholds to be checked at all, the second one
caused wrong behavior with the persistency option. Thanks to Andrés
J. Díaz for fixing these problems.
* collectd: Handling of the `Include' configuration option has been
fixed.
* rrdtool plugin: Make sure initialization is run only once. This
resolves problems under Solaris and potentially other systems.
Thanks to Amit Gupta for reporting this bug.
* java plugin: Make it possible to use dots ('.') instead of slashes
('/') as the class separator. Thanks to Randy Rizun for pointing
this out.
* swap plugin: A work-around for 32-bit Solaris has been added. Thanks
to Doug MacEachern for the patch.
2009-05-11, Version 4.7.0
* apache plugin: Support to query multiple servers has been added.
Thanks to Amit Gupta for the patch.
* apache plugin: Handling of lighttpd's scoreboard statistics has been
improved. Thanks to Amit Gupta for the patch.
* conntrack plugin: The new conntrack plugin collects the connection
tracking table size. Thanks to Tomasz Pala for the patch.
* fscache plugin: The new fscache plugin collects statistics about
Linux' file-system based caching framework. Thanks to Edward
Konetzko for the patch.
* gmond plugin: The new gmond plugin can receive and interpret
multicast traffic from Ganglia's gmond daemon.
* java plugin: The new java plugin exports the collectd API to Java,
making it possible to write extensions to collectd in Java.
* memcachec plugin: The new memcachec plugin queries data from a
memcached daemon and parses it similar to the cURL plugin. Thanks to
Doug MacEachern for the initial code.
* memcached plugin: Support for connections over UNIX domain sockets
has been added. Thanks to Franck Lombardi for the patch.
* memory plugin: Support for OpenBSD and possibly other *BSDs has been
added. Thanks to Simon Kuhnle for the patch.
* mysql plugin: Support to query multiple databases has been added.
Thanks to Doug MacEachern for the patch.
* mysql plugin: Master/slave statistics have been added.
* mysql plugin: Lock statistics have been added. Thanks to Rodolphe
Quiédeville for the patch.
* network plugin: The possibility to sign or encrypt network traffic
has been added.
* protocols plugin: The new protocols plugin provides information
about network protocols, such as IP, TCP and UDP.
* snmp plugin: The intervals given in the configuration of the SNMP
plugin must no longer be a multiple of the global interval.
* table plugin: The new Table plugin provides parsing for table-like
structured files, such as many files beneath /proc.
* ted plugin: The new TED plugin reads power consumption measurements
from “The Energy Detective” (TED). Thanks to Eric Reed for this
plugin.
* onewire plugin: The new `Interval' option allows collecting
information from OneWire sensors at arbitrary intervals.
* ping plugin: Support for collecting the drop rate and standard
deviation of round-trip times has been added.
* uptime plugin: The new uptime plugin can collect the server's
uptime. Thanks to Marco Chiappero for the patch.
2009-09-10, Version 4.6.5
* collectd: Remove old values when a cache entry is marked as missing.
This way the “GETVAL” command of the UnixSock plugin doesn't return
old, no longer valid values when this happens. Thanks to Andrés J.
Díaz for the patch.
* apache, ascent, bind, curl, nginx plugins: Advise the cURL library
to follow redirects. Thanks to Joey Hess for reporting this bug.
* df plugin: Check the ignorelist before stating the file system,
possibly reducing the number of stats considerably. Thanks to Joey
Hess for reporting this bug.
* iptables plugin: Support for the new libiptc API has been added.
Thanks to Sebastian Harl for the patch. The build system has been
updated to the plugin only includes the shipped header files when it
is linked with the shipped library, too.
* libvirt plugin: Re-connect to libvirtd if connecting fails. Thanks
to Alan Pevec for the patch.
* powerdns plugin: Set a timeout when reading data from the datagram
socket. Handling of the “LocalSocket” option has been fixed. An
incorrectly used “type” has been corrected. Thanks to Luke Heberling
for his patches.
2009-07-18, Version 4.6.4
* collectd: Okay-notifications have been fixed. Thanks to Andrés J.
Díaz for fixing this bug.
* collectd: A programming error has been fixed in the notification
code. The bug may result in an assertion failure.
* memcached plugin: Portability fix for Solaris. Thanks to Amit Gupta
for reporting the bug.
2009-06-02, Version 4.6.3
* Build system, various plugins: Many build fixes for FreeBSD,
OpenBSD, NetBSD, Solaris and Mac OS X. Big thanks to Doug MacEachern
for many fixes and providing a build system for many platforms,
Ulf Zimmermann for providing a FreeBSD system and Simon Kuhnle for
providing an OpenBSD system.
* collectd: Two bugs with the threshold checking have been fixed. The
first one prevented thresholds to be checked at all, the second one
caused wrong behavior with the persistency option. Thanks to Andrés
J. Díaz for fixing these problems.
* collectd: Handling of the `Include' configuration option has been
fixed.
* battery plugin: Don't complain about a missing directory every
interval.
* exec plugin: Allow executed programs to close STDERR. Thanks to
Thorsten von Eicken for reporting this problem.
* irq plugin: Fix handling of overflowing 32-bit counters. Thanks to
Tomasz Pala for the patch.
* perl plugin: Portability build-fixes. Thanks to Doug MacEachern for
the patch.
* memory plugin: Fix a potential problem under Solaris.
* swap plugin: A work-around for 32-bit Solaris has been added. Thanks
to Doug MacEachern for the patch.
2009-03-18, Version 4.6.2
* collectd: Some Solaris utility code has been improved.
* filter subsystem: Allow `Chains' without default targets.
* liboping: A patch to comply with strict aliasing rules has been
added.
* timediff match: Fix a typo: The match was registered with a wrong
name which prevented this match to be used as documented. Thanks to
Bruno Prémont for finding this problem.
* bind plugin: Fix collection of the cached RR sets. The number of RR
sets currently in the cache was collected as a counter value, which
is nonsense. Thanks to Bruno Prémont for implementing this.
* dns plugin: Don't pass NULL to `pcap_open_live': Some systems,
primarily BSDs, don't take it well and crash.
* oracle plugin: Portability to 64 bit systems has been improved.
* postgresql plugin: The default configuration has been improved.
* rrdtool plugin: Fix a possible race condition: If the network plugin
is brought and dispatches a value before the rrdtool plugin is
initialized, the daemon may crash.
2009-02-22, Version 4.6.1
* collectd: Many documentation fixes.
* Collectd::Unixsock: Error handling has been improved.
* regex match: Don't link with the PCRE library.
* bind plugin: Various bugs have been fixed. Thanks to Bruno Prémont
for finding and fixing most of them.
* ipmi plugin: Fix an off-by-one error which could cause segmentation
faults. Thanks to Peter Holik for his patch.
2009-02-16, Version 4.6.0
* collectd: Added the `filter chain' infrastructure, which allows the
user to use `matches' and `targets' to control value processing.
* collectd: The new `-T' command line argument allows more in-depth
testing of a configuration. Thanks to Doug MacEachern for the patch.
* collectd-nagios: The Nagios integration command has been updated to
use libcollectdclient. The `percentage' aggregation function has
been added. Thanks to Fabian Linzberger for the patch.
* libcollectdclient: A library which abstracts communication with the
unixsock plugin for clients has been added.
* regex match: Match values by their identifies using regular
expressions.
* timediff match: Match for values with an invalid timestamp.
* value match: Select values by their data sources' values.
* notification target: Create and dispatch a notification.
* replace target: Replace parts of an identifier using regular
expressions.
* set target: Set (overwrite) entire parts of an identifier.
* bind plugin: This new plugin uses the new HTTP/XML interface to BIND
statistics, allowing very detailed name server statistics. Thanks to
Bruno Prémont for this plugin.
* cpu plugin: Report `interrupt' separately when using
sysctlbyname(3) (used under *BSD). Support for sysctl(3), for
example for native OpenBSD support, has been added. Thanks to Simon
Kuhnle for the patch.
* csv plugin: Make it possible to write values to STDOUT instead of
files. This is meant for testing purposes mostly. The output written
to STDOUT is compatible with the exec plugin. Thanks to Doug
MacEachern for the patch.
* curl plugin: This new plugin can be used to read web pages and parse
them using the same mechanism that's used in the tail plugin.
* dbi plugin: This new plugin allows you to connect to a variety of
relational databases and use SQL to gather custom statistics from
it. It is similar to the already existing PostgreSQL plugin but uses
libdbi to communicate with the database(s).
* interface plugin: Use the ignorelist framework when selecting /
ignoring interfaces. This allows one to use regular expressions to
select interfaces, too.
* ipmi plugin: Handle temporary IPMI error conditions more gracefully.
Thanks to Bruno Prémont for this patch.
* memcached plugin: Add hit-ratio metric. Thanks to Doug MacEachern
for the patch.
* mysql plugin: Allow connecting to a database via the UNIX domain
socket, too. Thanks to Mirko Buffoni for the patch.
* network plugin: Further performance improvements for the receive
code. This hopefully will help very large setups.
* openvpn plugin: This new plugin collects statistics provided by the
OpenVPN daemon. Thanks to Doug MacEachern for the patch.
* oracle plugin: This new plugin allows you to connect to an Oracle
database and use SQL to gather custom statistics from it. It is
similar to the already existing PostgreSQL plugin.
* perl plugin: Compatibility fixes for broken versions of Perl 5.10
have been added.
* perl plugin: Export the newly added plugin_write() to Perl plugins.
* perl plugin: Added support for `notification meta data'.
* perl plugin: Added support for the `filter chain' infrastructure by