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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Dave Cramer <pg@fastcrypt.com>
Cc: radu.popescu@aldratech.com
Cc: pgsql-performance@postgresql.org
Subject: Re: Performance Tuning Article
Date: Thu, 23 Jun 2005 13:15:24 -0400
Message-ID: <6451.1119546924@sss.pgh.pa.us> (raw)
In-Reply-To: <EFDE64A7-ABAD-4579-9837-4D1E9107BC54@fastcrypt.com>
References: <20050622095227.05938982.frank@wiles.org>
	<200506221016.03808.josh@agliodbs.com>
	<20050622124232.71b05e3f.frank@wiles.org>
	<42BA1F01.1010700@NarrowPathInc.com>
	<42BA7F49.6080101@aldratech.com>
	<42BAA816.2040806@NarrowPathInc.com>
	<533D107C-FDF0-4A6A-A88F-0751DCDDEA4D@fastcrypt.com>
	<42BABD37.9030207@aldratech.com>
	<EFDE64A7-ABAD-4579-9837-4D1E9107BC54@fastcrypt.com>

Dave Cramer <pg@fastcrypt.com> writes:
> AFAIK, the problem was the buffer manager

The buffer manager was the place that seemed to be hit hardest by Xeon's
problems with spinlock contention.  I think we've partially fixed that
issue in 8.1, but as we continue to improve the system's performance,
it's likely to surface as a bottleneck again in other places.

			regards, tom lane

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