PLDWWW: Docs/Vserver

[arekm]

Author: arekm   Date: Tue Mar 22 09:58:23 2011 GMT
Module: PLDWWW   URL: http://www.pld-linux.org/Docs/Vserver?action=diff&rev2=167&rev1=166
---- Log message:
from wojtosz, needs more work

---- Page affected: Docs/Vserver

---- Diffs:

================================================================
The comment on the change is:
from wojtosz, needs more work

  
      * enabling pid namespace is likely to break post-start script (part with guest pid fetching for iproute2 netns use). Using vps (aka context 1 spectacor mode) to find guest process pid but in host namespace is likely to solve this problem.
  
+ == cgroups ==
+ 
+ Example cgroups usage:
+ 
+ * create "cgroup" directory in /etc/vserver/test/
+ * put files there like:
+    * cpuset.cpus - numbers of cores used by Vserver: 0-4
+    * cpuset.mems - memory migration: (1 - do memory migration when shuting down cores or 0 - not)
+    * cpu.shares - Vserver's CPU share: 256
+    * memory.limit_in_bytes - Vserver's RAM: 256M
+ 
+ Important:
+ The share you get is equal to the guest's share divided by the sum of the cpu shares of all the guest.
+