index 2ed8934fc92e43842dcab3ed7df8808bc5aa4bfb..67cac046aa835e8c0a319a5097e88c74c6914fe4 100644 (file)
--- a/README
+++ b/README
- 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).
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).
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.
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.
+
- 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_redis
+ Sends the values to a Redis key-value database server.
+
* Logging is, as everything in collectd, provided by plugins. The following
plugins keep up informed about what's going on:
* Miscellaneous plugins:
+ - 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
<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.
<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/>
* librabbitmq (optional; also called “rabbitmq-c”)