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Re: intel vs amd benchmark for pg server part 2

From: Curt Sampson <cjs(at)cynic(dot)net>
To: postgres(at)vrane(dot)com
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: intel vs amd benchmark for pg server part 2
Date: 2002-04-27 11:25:04
Message-ID: Pine.NEB.4.43.0204272023350.445-100000@angelic.cynic.net (view raw or flat)
Thread:
Lists: pgsql-general
On Fri, 26 Apr 2002 postgres(at)vrane(dot)com wrote:

> Another gripe I have is that vacuum process does not eat up 100%
> of cpu.  In the beginning it peaks around 80% and at the end
> it is stuck around 20%.

That's because your disk subsystem is too slow for the machine.
Put in a disk subsystem that doesn't slow down the machine, and
you'll use all your CPU.

Then you can complain about not using all your disk I/O capacity.

Performance bottlenecks never go away. You can only move them around.

cjs
-- 
Curt Sampson  <cjs(at)cynic(dot)net>   +81 90 7737 2974   http://www.netbsd.org
    Don't you know, in this new Dark Age, we're all light.  --XTC


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