[pve-devel] backup ceph high iops and slow
Dietmar Maurer
dietmar at proxmox.com
Sat Oct 18 09:47:08 CEST 2014
> >>We read 64K blocks, so
>
> Don't for for backup, but drive-mirror have a "granulary" option to change the
> block size:
>
> # @granularity: #optional granularity of the dirty bitmap, default is 64K.
> # Must be a power of 2 between 512 and 64M.
Although it would be much easier it read-ahead solve the problem ;-)
Anybody have newest ceph with those read-ahead patches for testing?
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