Horton

Re: Wierd context-switching issue on Xeon

Rod Taylor <pg@rbt.ca>

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From: Rod Taylor <pg@rbt.ca>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Josh Berkus <josh@agliodbs.com>, Joe Conway <mail@joeconway.com>, Scott Marlowe <scott.marlowe@ihs.com>, Bruce Momjian <pgman@candle.pha.pa.us>, lutzeb@aeccom.com, Postgresql Performance <pgsql-performance@postgresql.org>, Neil Conway <neilc@samurai.com>
Date: 2004-04-20T19:48:50Z
Lists: pgsql-performance 
> It would be interesting to see results with non-Linux kernels, too.

Dual Celeron 500Mhz (Abit BP6 mobo) - client & server on same machine

2 processes FreeBSD (5.2.1): 1800cs
3 processes FreeBSD: 14000cs
4 processes FreeBSD: 14500cs

2 processes Linux (2.4.18 kernel): 52000cs
3 processes Linux: 10000cs
4 processes Linux: 20000cs