Re: NUMA settings
От
Laurenz Albe
Тема
Re: NUMA settings
Дата
Msg-id
78e4af96a4b34f1280ef96ddf347d5f7b8a53380.camel@cybertec.at
Ответ на
Re: NUMA settings (Marc Rechté)
Список
Дерево обсуждения
NUMA settings Marc Rechté <marc4@rechte.fr>
Re: NUMA settings Laurenz Albe <laurenz.albe@cybertec.at>
Re: NUMA settings Andres Freund <andres@anarazel.de>
Re: NUMA settings Marc Rechté <marc4@rechte.fr>
Re: NUMA settings Laurenz Albe <laurenz.albe@cybertec.at>
Re: NUMA settings Marc Rechté <marc4@rechte.fr>
Re: NUMA settings Laurenz Albe <laurenz.albe@cybertec.at>
On Tue, 2020-05-05 at 10:11 +0200, Marc Rechté wrote: > > I think that "vm.swappiness" should be 0. > > PostgreSQL does its own memory management, any swapping by the kernel > > would go against that. > > > > Yours, > > Laurenz Albe > > > As said in the post, we wish the idle backends to be swapped out if > necessary. Therefore lowering swappiness would produce the opposite > effect: swapping out Linux file cache rather than backends memory. I see. Sorry for not paying attention. An idle backend consumes only a few MB of RAM, though. Yours, Laurenz Albe -- Cybertec | https://www.cybertec-postgresql.com
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