Re: Starting PostgreSQL 8.0.4 with more memory [FreeBSD

From: Scott Marlowe <smarlowe(at)g2switchworks(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Simon Riggs <simon(at)2ndquadrant(dot)com>, Martijn van Oosterhout <kleptog(at)svana(dot)org>, Vlad <marchenko(at)gmail(dot)com>, pgsql-general(at)postgresql(dot)org
Subject: Re: Starting PostgreSQL 8.0.4 with more memory [FreeBSD
Date: 2005-10-31 22:26:16
Message-ID: 1130797576.15018.31.camel@state.g2switchworks.com
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On Mon, 2005-10-31 at 16:12, Tom Lane wrote:
> Scott Marlowe <smarlowe(at)g2switchworks(dot)com> writes:
> > I was mainly wondering if that behaviour had changed, if, when the data
> > are released, they are still held in shared memory until forced out by
> > newer / more popular data. Which would make the buffer pool a real
> > cache.

Oh, sorry. I Was under the impression that once it wasn't needed the
buffers just dropped the data completely. Thanks

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