Re: increasing shared buffers: how much should be removed from OS filesystem cache? - Mailing list pgsql-performance

From Merlin Moncure
Subject Re: increasing shared buffers: how much should be removed from OS filesystem cache?
Date
Msg-id b42b73150609011249p612ccd27gbb5ee4db9b5b10f4@mail.gmail.com
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In response to increasing shared buffers: how much should be removed from OS filesystem cache?  (Guillaume Cottenceau <gc@mnc.ch>)
Responses Re: increasing shared buffers: how much should be removed from OS filesystem cache?
Re: increasing shared buffers: how much should be removed from OS filesystem cache?
List pgsql-performance
On 01 Sep 2006 19:00:52 +0200, Guillaume Cottenceau <gc@mnc.ch> wrote:
> Hi,
>
> I've been looking at the results from the pg_statio* tables, to
> view the impact of increasing the shared buffers to increase
> performance.
>

I think 'shared buffers' is one of the most overrated settings from a
performance standpoint.  however you must ensure there is enough for
things the server does besides caching.  It used to be a bigger deal
than it is in modern versionf of postgresql modern operating systems.

merlin

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