Re: [HACKERS] [Testperf-general] BufferSync and bgwriter

[Neil Conway]

I wonder if we even need to retain the bgwriter_percent GUC var. Is 
there actually a situation in which the combination of bgwriter_maxpages 
and bgwriter_delay does not give the DBA sufficient flexibility in 
tuning bgwriter behavior?

Simon Riggs wrote:
If the bgwriter_percent = 100, then we should actually do the sensible
thing and prepare the list that we need, i.e. limit
StrategyDirtyBufferList to finding at most bgwriter_maxpages.
Is the plan to make bgwriter_percent = 100 the default setting?
-Neil
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