Re: Consecutive Query Executions with Increasing Execution Time
Laurenz Albe <[email protected]> Tue, 17 Dec 2019 14:08:39 +0100
| Newsgroups | gmane.comp.db.postgresql.performance |
|---|---|
| Message-ID | <[email protected]> |
On Mon, 2019-12-16 at 15:50 -0500, Tom Lane wrote: > Peter Geoghegan <[email protected]> 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 -- Cybertec | https://www.cybertec-postgresql.com