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@xxxxxxxxxxxxxxx/msg07678.html It looks like there might be a specific bug relating to random writes. Matthew -- The University of Edinburgh is a charitable body, registered in Scotland, with registration number SC005336.
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