| From: | Michael Paquier <michael(at)paquier(dot)xyz> |
|---|---|
| To: | Christophe Pettus <xof(at)thebuild(dot)com> |
| Cc: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, postgresql(at)taljaren(dot)se, pgsql-bugs(at)lists(dot)postgresql(dot)org, Peter Geoghegan <pg(at)bowt(dot)ie> |
| Subject: | Re: BUG #17717: Regression in vacuumdb (15 is slower than 10/11 and possible memory issue) |
| Date: | 2022-12-19 03:21:26 |
| Message-ID: | Y5/YtnCO8GNW9svE@paquier.xyz |
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| Lists: | pgsql-bugs pgsql-hackers |
On Sat, Dec 17, 2022 at 06:23:27PM -0800, Christophe Pettus wrote:
> My first reaction to that is: Is it possible to explain to a DBA
> what N should be for a particular cluster?
Assuming that we can come up with a rather straight-forward still
portable rule for the distribution of the relations across of the
slots like something I mentioned above (which is not the best thing
depending on the sizes and the number of tables), that would be quite
tricky IMO.
--
Michael
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