Re: Track IO times in pg_stat_io
От | Bertrand Drouvot |
---|---|
Тема | Re: Track IO times in pg_stat_io |
Дата | |
Msg-id | ZtXTEP9ZQkbgo8T5@ip-10-97-1-34.eu-west-3.compute.internal обсуждение исходный текст |
Ответ на | Re: Track IO times in pg_stat_io (Bertrand Drouvot <bertranddrouvot.pg@gmail.com>) |
Список | pgsql-hackers |
Hi, On Fri, Aug 23, 2024 at 07:32:16AM +0000, Bertrand Drouvot wrote: > Hi, > > On Wed, Mar 08, 2023 at 04:34:38PM -0800, Andres Freund wrote: > > On 2023-03-08 12:55:34 +0100, Drouvot, Bertrand wrote: > > > - pg_stat_io is "global" across all sessions. So, even if one session is doing some "testing" and needs to turn track_io_timingon, then it > > > is even not sure it's only reflecting its own testing (as other sessions may have turned it on too). > > > > I think for 17 we should provide access to per-existing-connection pg_stat_io > > stats, and also provide a database aggregated version. Neither should be > > particularly hard. > > FWIW, I think that would be great and plan to have a look at this (unless someone > beats me to it). FWIW, here is the patch proposal for per backend I/O statistics [1]. [1]: https://www.postgresql.org/message-id/ZtXR%2BCtkEVVE/LHF%40ip-10-97-1-34.eu-west-3.compute.internal Regards, -- Bertrand Drouvot PostgreSQL Contributors Team RDS Open Source Databases Amazon Web Services: https://aws.amazon.com
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