From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stefan Priebe - Profihost AG <s.priebe@profihost.ag>
Subject: Re: less cores more iops / speed
Date: Thu, 08 Nov 2012 09:45:17 +0100
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References: <509ADA6A.9000807@profihost.ag> <509AF625.8040207@inktank.com> <509B03EA.9050701@inktank.com>
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To: Mark Nelson <mark.nelson@inktank.com>
Cc: Joao Eduardo Luis <joao.luis@inktank.com>, "ceph-devel@vger.kernel.org" <ceph-devel@vger.kernel.org>

Am 08.11.2012 01:59, schrieb Mark Nelson:
> There's also the context switching overhead.  It'd be interesting to
> know how much the writer processes were shifting around on cores.
What do you mean by that? I'm talking about the KVM guest not about the 
ceph nodes.

> Stefan, what tool were you using to do writes?
as always: fio ;-)

Stefan