Monday, May 26, 2008

Re: [PERFORM] I/O on select count(*)

"Heikki Linnakangas" <heikki@enterprisedb.com> writes:
> Decibel! wrote:
>> Also, Simon and Tom had an idea at PGCon: Don't set hint-bits in the
>> back-end if the page isn't already dirty.

> Or even better: set the hint-bits, but don't dirty the page.

Which in fact is what Simon suggested, not the other thing.

regards, tom lane

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