Re: Consecutive Query Executions with Increasing Execution Time - Mailing list pgsql-performance

On Mon, 2019-12-16 at 15:50 -0500, Tom Lane wrote:
> Peter Geoghegan <pg@bowt.ie> writes:
> > Why do the first and the twentieth executions of the query have almost
> > identical "buffers shared/read" numbers? That seems odd.
> 
> It's repeat execution of the same query, so that doesn't seem odd to me.

Really?  Shouldn't the blocks be in shared buffers after a couple
of executions?

Yours,
Laurenz Albe
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