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Re: [kris(at)obsecurity(dot)org: Progress on scaling of FreeBSD on 8 CPU systems]


  • From: Stefan Kaltenbrunner <stefan(at)kaltenbrunner(dot)cc>
  • To: Arjen van der Meijden <acmmailing(at)tweakers(dot)net>
  • Cc: pgsql-performance(at)postgresql(dot)org
  • Subject: Re: [kris(at)obsecurity(dot)org: Progress on scaling of FreeBSD on 8 CPU systems]
  • Date: Mon, 05 Mar 2007 21:17:07 +0100
  • Message-id: <45EC7AC3(dot)2030408(at)kaltenbrunner(dot)cc>

Arjen van der Meijden wrote:
> Stefan Kaltenbrunner wrote:
>> ouch - do I read that right that even after tom's fixes for the
>> "regressions" in 8.2.0 we are still 30% slower then the -HEAD checkout
>> from the middle of the 8.2 development cycle ?
> 
> Yes, and although I tested about 17 different cvs-checkouts, Tom and I
> weren't really able to figure out where "it" happened. So its a bit of a
> mystery why the performance is so much worse.

double ouch - losing that much in performance without an idea WHY it
happened is really unfortunate :-(


Stefan



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