Re: bgwriter changes

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
>
>
>  
>
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