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--- a/README
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Name server and resolver statistics from the `statistics-channel'
interface of BIND 9.5, 9,6 and later.
Name server and resolver statistics from the `statistics-channel'
interface of BIND 9.5, 9,6 and later.
+ - cgroups
+ CPU accounting information for process groups under Linux.
+
- conntrack
Number of nf_conntrack entries.
- conntrack
Number of nf_conntrack entries.
- entropy
Amount of entropy available to the system.
- entropy
Amount of entropy available to the system.
+ - ethstat
+ Network interface card statistics.
+
- exec
Values gathered by a custom program or script.
See collectd-exec(5).
- exec
Values gathered by a custom program or script.
See collectd-exec(5).
- load
System load average over the last 1, 5 and 15 minutes.
- load
System load average over the last 1, 5 and 15 minutes.
+ - lpar
+ Detailed CPU statistics of the “Logical Partitions” virtualization
+ technique built into IBM's POWER processors.
+
- libvirt
- libvirt
- CPU, disk and network I/O statistics from virtual machines.
+ CPU, memory, disk and network I/O statistics from virtual machines.
+
+ - lvm
+ Size of “Logical Volumes” (LV) and “Volume Groups” (VG) of Linux'
+ “Logical Volume Manager” (LVM).
- madwifi
Queries very detailed usage statistics from wireless LAN adapters and
- madwifi
Queries very detailed usage statistics from wireless LAN adapters and
Motherboard sensors: temperature, fanspeed and voltage information,
using mbmon(1).
Motherboard sensors: temperature, fanspeed and voltage information,
using mbmon(1).
+ - md
+ Linux software-RAID device information (number of active, failed, spare
+ and missing disks).
+
- memcachec
Query and parse data from a memcache daemon (memcached).
- memcachec
Query and parse data from a memcache daemon (memcached).
Memory utilization: Memory occupied by running processes, page cache,
buffer cache and free.
Memory utilization: Memory occupied by running processes, page cache,
buffer cache and free.
+ - mic
+ Collects CPU usage, memory usage, temperatures and power consumption from
+ Intel Many Integrated Core (MIC) CPUs.
+
- modbus
Reads values from Modbus/TCP enabled devices. Supports reading values
from multiple "slaves" so gateway devices can be used.
- modbus
Reads values from Modbus/TCP enabled devices. Supports reading values
from multiple "slaves" so gateway devices can be used.
Network UPS tools: UPS current, voltage, power, charge, utilisation,
temperature, etc. See upsd(8).
Network UPS tools: UPS current, voltage, power, charge, utilisation,
temperature, etc. See upsd(8).
+ - numa
+ Information about Non-Uniform Memory Access (NUMA).
+
- olsrd
Queries routing information from the “Optimized Link State Routing”
daemon.
- olsrd
Queries routing information from the “Optimized Link State Routing”
daemon.
write your own plugins in Perl and return arbitrary values using this
API. See collectd-perl(5).
write your own plugins in Perl and return arbitrary values using this
API. See collectd-perl(5).
+ - pf
+ Query statistics from BSD's packet filter "pf".
+
- pinba
Receive and dispatch timing values from Pinba, a profiling extension for
PHP.
- pinba
Receive and dispatch timing values from Pinba, a profiling extension for
PHP.
collectd without the need to start a heavy interpreter every interval.
See collectd-python(5) for details.
collectd without the need to start a heavy interpreter every interval.
See collectd-python(5) for details.
+ - redis
+ The redis plugin gathers information from a redis server, including:
+ uptime, used memory, total connections etc.
+
- routeros
Query interface and wireless registration statistics from RouterOS.
- routeros
Query interface and wireless registration statistics from RouterOS.
Follows (tails) logfiles, parses them by lines and submits matched
values.
Follows (tails) logfiles, parses them by lines and submits matched
values.
+ - tail_csv
+ Follows (tails) files in CSV format, parses each line and submits
+ extracted values.
+
- tape
Bytes and operations read and written on tape devices. Solaris only.
- tape
Bytes and operations read and written on tape devices. Solaris only.
* Output can be written or sent to various destinations by the following
plugins:
* Output can be written or sent to various destinations by the following
plugins:
+ - amqp
+ Sends JSON-encoded data to an Advanced Message Queuing Protocol (AMQP)
+ server, such as RabbitMQ.
+
- csv
Write to comma separated values (CSV) files. This needs lots of
diskspace but is extremely portable and can be analysed with almost
- csv
Write to comma separated values (CSV) files. This needs lots of
diskspace but is extremely portable and can be analysed with almost
needed. Please read collectd-unixsock(5) for a description on how that's
done.
needed. Please read collectd-unixsock(5) for a description on how that's
done.
+ - write_graphite
+ Sends data to Carbon, the storage layer of Graphite using TCP or UDP. It
+ can be configured to avoid logging send errors (especially useful when
+ using UDP).
+
- write_http
Sends the values collected by collectd to a web-server using HTTP POST
requests. The transmitted data is either in a form understood by the
Exec plugin or formatted in JSON.
- write_http
Sends the values collected by collectd to a web-server using HTTP POST
requests. The transmitted data is either in a form understood by the
Exec plugin or formatted in JSON.
+ - write_mongodb
+ Sends data to MongoDB, a NoSQL database.
+
+ - write_redis
+ Sends the values to a Redis key-value database server.
+
+ - write_riemann
+ Sends data to Riemann, a stream processing and monitoring system.
+
* Logging is, as everything in collectd, provided by plugins. The following
plugins keep up informed about what's going on:
* Logging is, as everything in collectd, provided by plugins. The following
plugins keep up informed about what's going on:
* Miscellaneous plugins:
* Miscellaneous plugins:
+ - aggregation
+ Selects multiple value lists based on patterns or regular expressions
+ and creates new aggregated values lists from those.
+
+ - threshold
+ Checks values against configured thresholds and creates notifications if
+ values are out of bounds. See collectd-threshold(5) for details.
+
- uuid
Sets the hostname to an unique identifier. This is meant for setups
where each client may migrate to another physical host, possibly going
- uuid
Sets the hostname to an unique identifier. This is meant for setups
where each client may migrate to another physical host, possibly going
* libclntsh (optional)
Used by the `oracle' plugin.
* libclntsh (optional)
Used by the `oracle' plugin.
+ * libcredis (optional)
+ Used by the redis plugin. Please note that you require a 0.2.2 version
+ or higher. <http://code.google.com/p/credis/>
+
* libcurl (optional)
If you want to use the `apache', `ascent', `curl', `nginx', or `write_http'
plugin.
* libcurl (optional)
If you want to use the `apache', `ascent', `curl', `nginx', or `write_http'
plugin.
<http://tangent.org/552/libmemcached.html>
* libmodbus (optional)
<http://tangent.org/552/libmemcached.html>
* libmodbus (optional)
- Used by the `modbus' plugin to communicate with Modbus/TCP devices.
- <https://launchpad.net/libmodbus>
+ Used by the “modbus” plugin to communicate with Modbus/TCP devices. The
+ “modbus” plugin works with version 2.0.3 of the library – due to frequent
+ API changes other versions may or may not compile cleanly.
+ <http://www.libmodbus.org/>
* libmysqlclient (optional)
Unsurprisingly used by the `mysql' plugin.
* libmysqlclient (optional)
Unsurprisingly used by the `mysql' plugin.
Used to capture packets by the `dns' plugin.
<http://www.tcpdump.org/>
Used to capture packets by the `dns' plugin.
<http://www.tcpdump.org/>
+ * libperfstat (optional)
+ Used by various plugins to gather statistics under AIX.
+
* libperl (optional)
Obviously used by the `perl' plugin. The library has to be compiled with
ithread support (introduced in Perl 5.6.0).
* libperl (optional)
Obviously used by the `perl' plugin. The library has to be compiled with
ithread support (introduced in Perl 5.6.0).
<http://code.google.com/p/protobuf-c/>
* libpython (optional)
<http://code.google.com/p/protobuf-c/>
* libpython (optional)
- Used by the `python' plugin. Currently, only 2.3 ≦ Python < 3 is supported.
+ Used by the `python' plugin. Currently, Python 2.3 and later and Python 3
+ are supported.
<http://www.python.org/>
<http://www.python.org/>
+ * librabbitmq (optional; also called “rabbitmq-c”)
+ Used by the AMQP plugin for AMQP connections, for example to RabbitMQ.
+ <http://hg.rabbitmq.com/rabbitmq-c/>
+
* librouteros (optional)
Used by the `routeros' plugin to connect to a device running `RouterOS'.
<http://verplant.org/librouteros/>
* librouteros (optional)
Used by the `routeros' plugin to connect to a device running `RouterOS'.
<http://verplant.org/librouteros/>