Re: WIP: buffer manager rewrite (take 2)

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
Cc: Mark Wong <markw(at)osdl(dot)org>, pgsql-patches(at)postgresql(dot)org
Subject: Re: WIP: buffer manager rewrite (take 2)
Date: 2005-03-03 04:44:00
Message-ID: 16992.1109825040@sss.pgh.pa.us
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Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
> Was it a big benefit only for SMP machines?

Probably. I did some simple pgbench checks and found that the new code
seemed no better than the old on a one-processor machine. However, as
long as it's not worse for a uniprocessor, who cares?

It would be good to try to get some more measurements to verify this.
Never did trust pgbench ...

regards, tom lane

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