Messages in this thread | | | Date | Mon, 16 Aug 2010 09:14:33 -0700 | From | "Darrick J. Wong" <> | Subject | Re: [RFC v3] ext4: Combine barrier requests coming from fsync |
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On Mon, Aug 09, 2010 at 05:07:23PM -0400, Christoph Hellwig wrote: > Can you try with the new barrier implementation in the > > [PATCH, RFC] relaxed barriers > > by making cache flushes just that and not complicated drain barrier > it should speed this case up a lot.
Indeed it does! The barrier count increases to about 21000, but I also see much higher throughput, about 830 transactions per second (versus 12000 and 760 respectively before Tejun's patch).
--D
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