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CPU Fair scheduler

36 bytes added, 06:30, 7 June 2015
added category
It is a two-level implementation of [[fair-share scheduling]] strategy.
On the first level the scheduler decides which VE is to give the CPU time slice to, based on per-VE <code>cpuunits</code> values. On the second level the standard Linux scheduler decides which process to run in that container, using standard Linux process priorities and such.
The OpenVZ administrator can set up different values of <code>cpuunits</code> for different containers, and the CPU time will be given to those proportionally.
Also there is a way to limit CPU time, e.g. say that this container is limited to, say, 10% of CPU time available.
== Monitoring ==
The scheduler can be monitored by using the <code>/proc/vz/[[vestat]]</code> file.
 
[[Category:Definitions‏‎]]