Horton

Re: Wierd context-switching issue on Xeon

J. Andrew Rogers <jrogers@neopolitan.com>

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From: "J. Andrew Rogers" <jrogers@neopolitan.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: pgsql-performance@postgresql.org
Date: 2004-04-20T17:17:22Z
Lists: pgsql-performance 
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