Subject: Guranteed resources for root context
From: Oliver Welter <mail@oliwel.de>
Date: Mon, 24 May 2010 12:34:45 +0200

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Hi Folks,

I am running vserver 2.6.33-vs2.3.0.36.30 on a dual opteron box to
server a couple of webservers.

I used to have resource limits for each guest in place, which was fine
for a while but as two of the guests need occassionally a bit more ram,
I am looking for a solution to have a kind of this cpu/memory limiting:

* assign each guest a minimum of ram/cpu
* gurantee that the root context always has enough resource to enable
terminal access

in the past, I had the problem that one of the guests went mad, the
oom-killer started to kill the guests process and it took me several
minutes to get into the box and do a vserver stop because the load went up.

Any suggestions?

Oliver
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