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From: Christian Mayrhuber (christian.mayrhuber_at_gmx.net)
Date: Fri 03 Dec 2004 - 14:38:07 GMT


On Friday 03 December 2004 15:16, David Amiel wrote:

> 2/ which is the higher acceptable load on a vserver server ?

Depends on response times requirements, io bandwidth, etc. but
a these seem to be a good rule of thumb, at least for a webserver:

without hyperthreading:
 - around 2 * number of CPUs
 
with hyperhreading:
 - kernel 2.4: around 2.5 * number of real CPUs
 - kernel 2.6: around 3 * number of real CPUs

Notes:
- I experienced a significantly lower lavg after an
  upgrade to kernel 2.6
- I'd let the vservers run at a nice level above 5 or
renice the sshd of the root server to -10 or below to
always get good interactivity for the root shell.

-- 
lg, Chris

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