From: Dave Cramer <pg@fastcrypt.com>
To: Merlin Moncure <mmoncure@gmail.com>
Cc: 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 19:22:51 -0400
Message-ID: <E3AD303F-06FE-4034-A176-3F532720A386@fastcrypt.com> (raw)
In-Reply-To: <b42b73150609011249p612ccd27gbb5ee4db9b5b10f4@mail.gmail.com>
References: <87veo7a5dn.fsf@meuh.mnc.lan>
<b42b73150609011249p612ccd27gbb5ee4db9b5b10f4@mail.gmail.com>
On 1-Sep-06, at 3:49 PM, Merlin Moncure wrote:
> 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
>
So if shared buffers is the most overrated, what do you consider the
proper way of tuning ?
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To: pgsql-performance@postgresql.org
Cc: pg@fastcrypt.com, mmoncure@gmail.com, gc@mnc.ch
Subject: Re: increasing shared buffers: how much should be removed from OS filesystem cache?
In-Reply-To: <E3AD303F-06FE-4034-A176-3F532720A386@fastcrypt.com>
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