From: Merlin Moncure <mmoncure@gmail.com>
To: Guillaume Cottenceau <gc@mnc.ch>
Cc: pgsql-performance@postgresql.org
Subject: Re: increasing shared buffers: how much should be removed from OS filesystem cache?
Date: Fri, 1 Sep 2006 15:49:43 -0400
Message-ID: <b42b73150609011249p612ccd27gbb5ee4db9b5b10f4@mail.gmail.com> (raw)
In-Reply-To: <87veo7a5dn.fsf@meuh.mnc.lan>
References: <87veo7a5dn.fsf@meuh.mnc.lan>
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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To: pgsql-performance@postgresql.org
Cc: mmoncure@gmail.com, gc@mnc.ch
Subject: Re: increasing shared buffers: how much should be removed from OS filesystem cache?
In-Reply-To: <b42b73150609011249p612ccd27gbb5ee4db9b5b10f4@mail.gmail.com>
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