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Re: Wierd context-switching issue on Xeon patch for 7.4.1

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: pg(at)fastcrypt(dot)com
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, pgsql-performance(at)postgresql(dot)org
Subject: Re: Wierd context-switching issue on Xeon patch for 7.4.1
Date: 2004-04-27 18:05:00
Message-ID: 200404271105.00395.josh@agliodbs.com (view raw or flat)
Thread:
Lists: pgsql-performance
Dave,

> Are you testing this with Tom's code, you need to do a baseline
> measurement with 10 and then increase it, you will still get lots of cs,
> but it will be less.

No, that was just a test of 1000 straight up.    Tom outlined a method, but I 
didn't see any code that would help me find a better level, other than just 
trying each +100 increase one at a time.   This would take days of testing 
...
-- 
Josh Berkus
Aglio Database Solutions
San Francisco

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Subject: Re: Wierd context-switching issue on Xeon patch for 7.4.1
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