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Re: Google SoC--Idea Request


  • From: "Jim C. Nasby" <jnasby(at)pervasive(dot)com>
  • To: "Jonah H. Harris" <jonah(dot)harris(at)gmail(dot)com>
  • Cc: "Bort, Paul" <pbort(at)tmwsystems(dot)com>, Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>
  • Subject: Re: Google SoC--Idea Request
  • Date: Tue, 25 Apr 2006 10:09:10 -0500
  • Message-id: <20060425150910(dot)GF97354(at)pervasive(dot)com>

On Tue, Apr 25, 2006 at 08:39:57AM -0400, Jonah H. Harris wrote:
> On 4/25/06, Bort, Paul <pbort(at)tmwsystems(dot)com> wrote:
> > Maybe the SoC project here is just such a tuning advisor tool? Something
> > that can run pgbench repeatedly, try different settings, and compare
> > results.
> 
> IIRC, that already exists.  I think it was called pg_autotune or
> something similar.

Last time I tried autotune I couldn't get it to work on FreeBSD, and it
tuned a minimum of parameters. For example, it didn't touch
checkpoint_segments, which is pretty essential to tune on a higher-end
server.

Not saying it wouldn't be a good place to start, but I also don't think
it's a replacement for a built-in tuning tool.
-- 
Jim C. Nasby, Sr. Engineering Consultant      jnasby(at)pervasive(dot)com
Pervasive Software      http://pervasive.com    work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf       cell: 512-569-9461



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