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vserver plugin
Plugin name vserver
Type read
Callbacks init, read
Status supported
Since 3.9
Copyright 2006–2007 Sebastian Harl, 2007–2010 Florian Forster
License MIT License
Configuration collectd.conf(5)

The VServer plugin collects information about the virtual servers running on a system, using Linux-Vserver.

Collected statistics

Network traffic

There are no real interface counters returned by "vserver", but summaries by socket type. Namely, these are:

  • unix
  • inet
  • inet6
  • unspec
  • other

Example graph

Plugin-vserver-inet-traffic.png

Thread count

Number of threads running within a guest.

Example graph

Plugin-vserver-threads.png

Process count

Counts the number of processes associated with a certain VServer.

Example graph

Plugin-vserver-processes.png

System load

System load of a guest. This is identical to the values collected by the Load plugin, but representing a guest system, not the host system.

Example graph

Plugin-vserver-load.png

Memory usage

Memory used by a VServer.

Example graph

Plugin-vserver-memory.png

Dependencies

Configuration

Configuration options · from collectd.conf(5)

See this section in the full configuration reference

This plugin doesn't have any options. VServer support is only available for Linux. It cannot yet be found in a vanilla kernel, though. To make use of this plugin you need a kernel that has VServer support built in, i. e. you need to apply the patches and compile your own kernel, which will then provide the /proc/virtual filesystem that is required by this plugin.

The VServer homepage can be found at http://linux-vserver.org/.

Note: The traffic collected by this plugin accounts for the amount of traffic passing a socket which might be a lot less than the actual on-wire traffic (e. g. due to headers and retransmission). If you want to collect on-wire traffic you could, for example, use the logging facilities of iptables to feed data for the guest IPs into the iptables plugin.