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Re: BUG #17717: Regression in vacuumdb (15 is slower than 10/11 and possible memory issue) - Mailing list pgsql-bugs

From Michael Paquier
Subject Re: BUG #17717: Regression in vacuumdb (15 is slower than 10/11 and possible memory issue)
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Msg-id Y5/YtnCO8GNW9svE@paquier.xyz
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In response to Re: BUG #17717: Regression in vacuumdb (15 is slower than 10/11 and possible memory issue)  (Christophe Pettus <xof@thebuild.com>)
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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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