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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.
- 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).
technique built into IBM's POWER processors.
- 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
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.
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.
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.
done.
- write_graphite
- Sends data to Carbon, the storage layer of Graphite.
+ Sends data to Carbon, the storage layer of Graphite using TCP or 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_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:
* 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.