Re: Wierd context-switching issue on Xeon - Mailing list pgsql-performance

From Tom Lane
Subject Re: Wierd context-switching issue on Xeon
Date
Msg-id 1931.1082422389@sss.pgh.pa.us
Whole thread Raw
In response to Re: Wierd context-switching issue on Xeon  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: Wierd context-switching issue on Xeon  (Robert Creager <Robert_Creager@LogicalChaos.org>)
Re: Wierd context-switching issue on Xeon  (jelle <jellej@pacbell.net>)
Re: Wierd context-switching issue on Xeon  (ohp@pyrenet.fr)
Re: Wierd context-switching issue on Xeon  (Paul Tuckfield <paul@tuckfield.com>)
Re: Wierd context-switching issue on Xeon  (Rod Taylor <pg@rbt.ca>)
Re: Wierd context-switching issue on Xeon  ("Magnus Naeslund(t)" <mag@fbab.net>)
List pgsql-performance
I wrote:
> Here is a test case.

Hmmm ... I've been able to reproduce the CS storm on a dual Athlon,
which seems to pretty much let the Xeon per se off the hook.  Anybody
got a multiple Opteron to try?  Totally non-Intel CPUs?

It would be interesting to see results with non-Linux kernels, too.

            regards, tom lane

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