Simon Riggs wrote:
>
>100pct.patch (SR)
>
>Test results to date:
>1. Mark Kirkwood ([HACKERS] [Testperf-general] BufferSync and bgwriter)
>pgbench 1xCPU 1xDisk shared_buffers=10000
>showed 8.0RC1 had regressed compared with 7.4.6, but patch improved
>performance significantly against 8.0RC1
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It occurs to me that cranking up the number of transactions (say
1000->100000) and seeing if said regression persists would be
interesting. This would give the smoothing effect of the bgwriter (plus
the ARC) a better chance to shine.
regards
Mark