Re: Context switching and Xeon processors

From: "Steinar H(dot) Gunderson" <sgunderson(at)bigfoot(dot)com>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: Context switching and Xeon processors
Date: 2005-12-06 21:52:22
Message-ID: 20051206215222.GA30067@uio.no
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On Tue, Dec 06, 2005 at 03:01:02PM -0600, Brandon Metcalf wrote:
> We're running a dual Xeon machine with hyperthreading enabled and
> PostgreSQL 8.0.3.

The two single most important things that will help you with high rates of
context switching:

- Turn off hyperthreading.
- Upgrade to 8.1.

/* Steinar */
--
Homepage: http://www.sesse.net/

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