Re: Context switching and Xeon processors

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To: pgsql-performance@xxxxxxxxxxxxxx
Subject: Re: Context switching and Xeon processors
From: "Steinar H. Gunderson" <sgunderson@xxxxxxxxxxx>
Date: Tue, 6 Dec 2005 22:52:22 +0100
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References: <Pine.LNX.4.58L.0512061454010.1468@xxxxxxxxxxxxxxxx>
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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/

References:
- Context switching and Xeon processors
  - From: Brandon Metcalf

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