Re: [vserver] virt_load, virt_mem and vs 2.3.0.36

From: Herbert Poetzl <herbert_at_13thfloor.at>
Date: Mon 25 May 2009 - 12:18:37 BST
Message-ID: <20090525111837.GJ10667@MAIL.13thfloor.at>

On Mon, May 25, 2009 at 11:55:10AM +0200, Xavier Montagutelli wrote:
> Hello,

> Do virt_load and virt_mem work as expected in VServer 2.3.0.36 ?
> Or do I misunderstand them ?

> Kernel used (compiled by ben@bristolwireless.net) :
> 2.6.29.2-vs2.3.0.36.10-beng (OK, if I have time, I will compile
> my own kernel ...)

> 1) virt_load : "monvs" and "nono" are two VServers with virt_load
> activated

> # cat /etc/vservers/monvs/flags
> virt_mem
> virt_load

> I run "burnMMX" inside both VServers : the load average is the
> same under the VServers and the host, around 1.9, each burnMM
> process consuming aroud 50 % of my CPU.

expected for this kernel, get vs2.3.0.36.13 and the
load virtualization should work as expected

> Same thing when I activate "sched_hard" : in this case, I would
> expect the load average to stay at 1 inside the VServers, and each
> burnMMX appearing as consuming 100% of the (allocated slice of the) CPU

> 2) virt_mem : with VServer version 2.0, the "swap" size displayed
> inside a VServer used to be "AS.hard - RSS.hard".

correct, we changed that :)

> Now, the memory is displayed virtualized (as expected equal to
> RSS.hard), but the swap is always 0.

it is now the difference between RSS.hard and RSS.soft

HTC,
Herbert

> --
> Xavier Montagutelli Tel : +33 (0)5 55 45 77 20
> Service Commun Informatique Fax : +33 (0)5 55 45 75 95
> Universite de Limoges
> 123, avenue Albert Thomas
> 87060 Limoges cedex
Received on Mon May 25 12:19:01 2009

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