Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> I have added this item to TODO:
> * Consider use of open/fctl(O_DIRECT) to minimize OS caching
Why exactly would we wish to minimize OS caching?
In my mind, Postgres has always relied heavily on the existence of a
layer of kernel caching. Disabling that will hurt far more than help.
regards, tom lane
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