Re: Wierd context-switching issue on Xeon

From: "J(dot) Andrew Rogers" <jrogers(at)neopolitan(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Wierd context-switching issue on Xeon
Date: 2004-04-20 17:17:22
Message-ID: 1082481442.997.4.camel@localhost.localdomain
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I verified problem on a Dual Opteron server. I temporarily killed the
normal load, so the server was largely idle when the test was run.

Hardware:
2x Opteron 242
Rioworks HDAMA server board
4Gb RAM

OS Kernel:
RedHat9 + XFS

1 proc: 10-15 cs/sec
2 proc: 400,000-420,000 cs/sec

j. andrew rogers

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