Re: How to determine if my setting for shared_buffers is too high?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Bill Moran <wmoran(at)collaborativefusion(dot)com>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: How to determine if my setting for shared_buffers is too high?
Date: 2006-12-07 17:04:40
Message-ID: 16436.1165511080@sss.pgh.pa.us
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Bill Moran <wmoran(at)collaborativefusion(dot)com> writes:
> I haven't been able to find anything regarding how much of the
> shared buffer space PostgreSQL is actually using, as opposed to
> simply allocating.

In 8.1 and up, contrib/pg_buffercache/ would give you some visibility
of this.

regards, tom lane

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