From: Matthew Richardson <m.richardson@ed.ac.uk>
To: ceph-devel@vger.kernel.org
Subject: Re: Ceph RBD performance - random writes
Date: Thu, 09 Aug 2012 15:48:50 +0100 [thread overview]
Message-ID: <5023CDD2.6040307@ed.ac.uk> (raw)
In-Reply-To: <5021F6D1.7000004@catalyst.net.nz>
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On 08/08/12 06:19, Mark Kirkwood wrote:
> I've been looking at using Ceph RBD as a block store for database use.
> As part of this I'm looking a how (particularly random) IO of smallish
> (4K, 8K) block sizes performs.
It may or may not be related, but have a look at the message thread here:
http://www.mail-archive.com/ceph-devel@vger.kernel.org/msg07678.html
It looks like there might be a specific bug relating to random writes.
Matthew
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The University of Edinburgh is a charitable body, registered in
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prev parent reply other threads:[~2012-08-09 15:24 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-08 5:19 Ceph RBD performance - random writes Mark Kirkwood
2012-08-08 18:46 ` Josh Durgin
2012-08-08 21:58 ` Mark Nelson
2012-08-08 23:36 ` Mark Kirkwood
2012-08-09 0:43 ` Mark Kirkwood
2012-08-09 3:54 ` Mark Kirkwood
2012-08-09 11:42 ` Mark Nelson
2012-08-09 23:31 ` Mark Kirkwood
2012-08-14 5:41 ` Mark Kirkwood
2012-08-09 14:48 ` Matthew Richardson [this message]
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