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From: Tom Lane <tgl@sss.pgh.pa.us>
To: Anjan Dave <adave@vantage.com>
Cc: Vivek Khera <vivek@khera.org>
Cc: Postgresql Performance <pgsql-performance@postgresql.org>
Subject: Re: High context switches occurring
Date: Tue, 22 Nov 2005 14:41:40 -0500
Message-ID: <13416.1132688500@sss.pgh.pa.us> (raw)
In-Reply-To: <4BAFBB6B9CC46F41B2AD7D9F4BBAF785027001C1@vt-pe2550-001.vantage.vantage.com>
References: <4BAFBB6B9CC46F41B2AD7D9F4BBAF785027001C1@vt-pe2550-001.vantage.vantage.com>

"Anjan Dave" <adave@vantage.com> writes:
> Would this problem change it's nature in any way on the recent Dual-Core
> Intel XEON MP machines?

Probably not much.

There's some evidence that Opterons have less of a problem than Xeons
in multi-chip configurations, but we've seen CS thrashing on Opterons
too.  I think the issue is probably there to some extent in any modern
SMP architecture.

			regards, tom lane



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