Re: Performance degradation in IO writes vs. reads (was scsi-mq V2)

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On 8/21/2014 5:02 PM, Sagi Grimberg wrote:
On 8/21/2014 4:03 PM, Christoph Hellwig wrote:
On Thu, Aug 21, 2014 at 03:32:09PM +0300, Sagi Grimberg wrote:
So I just got back to checking this issue of *extremely low* IO write
performance I got in 3.16-rc2.

Please test with 3.16 final.  There once issue each in aio and dio
that caused bad I/O performance regression that were only fixed last
minute in the 3.16 cycle.


I'll do that now.


Indeed this issue is resolved in 3.16. Sorry for the false alarm...
Thanks Christoph.

Sagi.
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