Iptables' counters: Number of bytes that were matched by a certain
iptables rule.
+ - ipvs
+ IPVS connection statistics (number of connections, octets and packets
+ for each service and destination).
+ See http://www.linuxvirtualserver.org/software/index.html.
+
- irq
IRQ counters: Frequency in which certain interrupts occur.
- load
System load average over the last 1, 5 and 15 minutes.
+ - libvirt
+ CPU, disk and network I/O statistics from virtual machines.
+
- mbmon
Motherboard sensors: temperature, fanspeed and voltage information,
using mbmon(1).
+ - memcached
+ Statistics of the memcached distributed caching system.
+ <http://www.danga.com/memcached/>
+
- memory
Memory utilization: Memory occupied by running processes, page cache,
buffer cache and free.
NFS Procedures: Which NFS command were called how often. Only NFSv2 and
NFSv3 right now.
+ - nginx
+ Collects statistics from `nginx' (speak: engine X), a HTTP and mail
+ server/proxy.
+
- ntp
NTP daemon statistics: Local clock drift, offset to peers, etc.
write your own plugins in Perl and return arbitrary values using this
API. See collectd-perl(5).
- This plugin is still considered to be experimental and subject to change
- between minor releases.
-
- ping
Network latency: Time to reach the default gateway or another given
host.
- tape
Bytes and operations read and written on tape devices. Solaris only.
+ - tcpconns
+ Number of TCP connections to specific local and remote ports.
+
- users
Users currently logged in.
platforms.
* libcurl (optional)
- If you want to use the `apache' plugin
+ If you want to use the `apache' and/or `nginx' plugins.
* libiptc (optional)
For querying iptables counters.
* libmysqlclient (optional)
+ Unsurprisingly used by the `mysql' plugin.
* libnetlink (optional)
+ Used, obviously, for the `netlink' plugin.
* libnetsnmp (optional)
+ For the `snmp' plugin.
* liboping (optional, if not found a version shipped with this distribution
can be used)
* libpcap (optional)
Used to capture packets by the `dns' plugin.
+ * libperl (optional)
+ Obviously used by the `perl' plugin. The library has to be compiled with
+ ithread support (introduced in Perl 5.6.0).
+
* librrd (optional; headers and library; rrdtool 1.0 and 1.2 both work fine)
If built without `librrd' the resulting binary will be `client only', i.e.
will send its values via multicast and not create any RRD files itself.
instead.
* libsensors (optional)
- To read from `lm_sensors'.
+ To read from `lm_sensors', see the `sensors' plugin.
* libstatgrab may be used to collect statistics on systems other than Linux
and/or Solaris. Note that CPU- and disk-statistics, while being provided
For compiling on Darwin in general and the `apple_sensors' plugin in
particular.
+ * libvirt (optional)
+ Collect statistics from virtual machines.
+
+
+Configuring / Compiling / Installing
+------------------------------------
+
+ To configure, build and install collectd with the default settings, run
+ `./configure && make && make install'. For detailed, generic instructions
+ see INSTALL. For a complete list of configure options and their description,
+ run `./configure --help'.
+
+ By default, the configure script will check for all build dependencies and
+ disable all plugins whose requirements cannot be fulfilled (any other plugin
+ will be enabled). To enable a plugin, install missing dependencies (see
+ section `Prerequisites' above) and rerun `configure'. If you specify the
+ `--enable-<plugin>' configure option, you can force the plugin to be built.
+ This will most likely fail though unless you're working in a very unusual
+ setup and you really know what you're doing.
+
+ By default, collectd will be installed into `/opt/collectd'. You can adjust
+ this setting by specifying the `--prefix' configure option - see INSTALL for
+ details. If you pass DESTDIR=<path> to `make install', <path> will be
+ prefixed to all installation directories. This might be useful when creating
+ packages for collectd.
+
Crosscompiling
--------------