Re: [PERFORM] [performance] fast reads on a busy server - Mailing list pgsql-cluster-hackers

From Willy-Bas Loos
Subject Re: [PERFORM] [performance] fast reads on a busy server
Date
Msg-id CAHnozTjy87V2cxJKBHvVEY_Y3yPp5822vLrmThz6M-Y6sec4qg@mail.gmail.com
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In response to Re: [PERFORM] [performance] fast reads on a busy server  (Ants Aasma <ants@cybertec.at>)
List pgsql-cluster-hackers

Thank you.

Cheers,
WBL

Op 27 jun. 2012 14:59 schreef "Ants Aasma" <ants@cybertec.at> het volgende:

On Jun 27, 2012 2:29 PM, "Willy-Bas Loos" <willybas@gmail.com> wrote:
> Should i use a larger shared_buffers for the other cluster(s) too, so that i bypass the inefficient OS file-cache?

Once the in-memory cluster has filled its shared buffers, the pages go cold for the OS cache and get replaced with pages of other clusters that are actually referenced.

Ants Aasma

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