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
Views: Raw Message | Whole Thread | Download mbox | Resend email
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

In response to

Responses

Browse pgsql-performance by date

  From Date Subject
Next Message Dave Cramer 2004-04-27 18:27:33 Re: Wierd context-switching issue on Xeon patch for 7.4.1
Previous Message scott.marlowe 2004-04-27 18:02:45 Re: OT: Help with performance problems