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

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От Christophe Pettus
Тема Re: BUG #17717: Regression in vacuumdb (15 is slower than 10/11 and possible memory issue)
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Msg-id 06770AA8-58E8-44C8-A0FF-558289897DDC@thebuild.com
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Ответ на Re: BUG #17717: Regression in vacuumdb (15 is slower than 10/11 and possible memory issue)  (Michael Paquier <michael@paquier.xyz>)
Ответы Re: BUG #17717: Regression in vacuumdb (15 is slower than 10/11 and possible memory issue)  (Michael Paquier <michael@paquier.xyz>)
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> In order to control all that, rather than a hardcoded rule, could it
> be as simple as introducing an option like vacuumdb --batch=N
> defaulting to 1 to let users control the number of relations grouped
> in a single command with a round robin distribution for each slot?

My first reaction to that is: Is it possible to explain to a DBA what N should be for a particular cluster?

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