Re: merge>hash>loop - Mailing list pgsql-performance

From Tom Lane
Subject Re: merge>hash>loop
Date
Msg-id 19388.1145398946@sss.pgh.pa.us
Whole thread Raw
In response to Re: merge>hash>loop  ("Jim C. Nasby" <jnasby@pervasive.com>)
Responses Re: merge>hash>loop  ("Jim C. Nasby" <jnasby@pervasive.com>)
List pgsql-performance
"Jim C. Nasby" <jnasby@pervasive.com> writes:
> Actually, if you run with stats_block_level turned on you have a
> first-order approximation of what is and isn't cached.

Only if those stats decayed (pretty fast) with time; which they don't.

            regards, tom lane

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