Le Tue, 22 Jan 2013 12:10:28 +0100
Samuel Kvasnica <samuel.kvasnica@xxxxxxxxx> écrivait:
> We do not see any remarkable CPU load.
What does the output from iostat -mx 3 looks like while you're writing
or reading?
> The interesting point is, we use btrfs filesystem on server instead of
> xfs now (with otherwise same config) and we are getting consistent,
> steady throughput
> around 1.2-1.3GB/s.
>
> What is wrong with XFS on 3.x kernel ? Any hints what parameters to
> look at ?
What mkfs and mount options did you use? With a large array nobarrier
and inode64 may make a big difference.
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