On 26.06.2013 11:37, KONDO Mitsumasa wrote:
On Tue, Jun 25, 2013 at 1:15 PM, Heikki Linnakangas
Hmm, so the write patch doesn't do much, but the fsync patch makes
the response
times somewhat smoother. I'd suggest that we drop the write patch
for now, and focus on the fsyncs.

Write patch is effective in TPS!

Your test results don't agree with that. You got 3465.96 TPS with the write patch, and 3474.62 and 3469.03 without it. The fsync+write combination got slightly more TPS than just the fsync patch, but only by about 1%, and then the response times were worse.

- Heikki

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