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From: Michael Fuhr <mike@fuhr.org>
To: Martin Nickel <martin@portant.com>
Cc: pgsql-performance@postgresql.org
Subject: Re: What gets cached?
Date: Fri, 21 Oct 2005 09:59:43 -0600
Message-ID: <20051021155943.GA53729@winnie.fuhr.org> (raw)
In-Reply-To: <pan.2005.10.21.12.34.29.712700@portant.com>
References: <pan.2005.10.21.12.34.29.712700@portant.com>

On Fri, Oct 21, 2005 at 07:34:30AM -0500, Martin Nickel wrote:
> I don't know of any way to view what is actually cached at any point in time

In 8.1 (currently in beta) you can use contrib/pg_buffercache.  Code
for older versions is available on PgFoundry:

http://pgfoundry.org/projects/pgbuffercache/

Note that pg_buffercache shows only pages in PostgreSQL's buffer
cache; it doesn't show your operating system's cache.

-- 
Michael Fuhr



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