Re: Large (almost 50%!) performance drop after upgrading to 8.4.4?

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От Devrim GÜNDÜZ
Тема Re: Large (almost 50%!) performance drop after upgrading to 8.4.4?
Дата
Msg-id 1276158598.5764.22.camel@hp-laptop2.gunduz.org
обсуждение исходный текст
Ответ на Re: Large (almost 50%!) performance drop after upgrading to 8.4.4?  (Robert Haas)
Ответы Re: Large (almost 50%!) performance drop after upgrading to 8.4.4?  (Max Williams)
Список pgsql-performance
Дерево обсуждения
Large (almost 50%!) performance drop after upgrading to 8.4.4?  (Max Williams, )
 Re: Large (almost 50%!) performance drop after upgrading to 8.4.4?  ("Pierre C", )
 Re: Large (almost 50%!) performance drop after upgrading to 8.4.4?  (Robert Haas, )
  Re: Large (almost 50%!) performance drop after upgrading to 8.4.4?  (Max Williams, )
  Re: Large (almost 50%!) performance drop after upgrading to 8.4.4?  (Devrim GÜNDÜZ, )
   Re: Large (almost 50%!) performance drop after upgrading to 8.4.4?  (Max Williams, )
    Re: Large (almost 50%!) performance drop after upgrading to 8.4.4?  (Tom Lane, )
     Re: Large (almost 50%!) performance drop after upgrading to 8.4.4?  (Max Williams, )
      Re: Large (almost 50%!) performance drop after upgrading to 8.4.4?  ("Kevin Grittner", )
       Re: Large (almost 50%!) performance drop after upgrading to 8.4.4?  (Max Williams, )
        Re: Large (almost 50%!) performance drop after upgrading to 8.4.4?  (Tom Lane, )
         Re: Large (almost 50%!) performance drop after upgrading to 8.4.4?  (Alvaro Herrera, )
          Re: Large (almost 50%!) performance drop after upgrading to 8.4.4?  (Lacey Powers, )
        Re: Large (almost 50%!) performance drop after upgrading to 8.4.4?  (Greg Smith, )
      Re: Large (almost 50%!) performance drop after upgrading to 8.4.4?  (Tom Lane, )
 Re: Large (almost 50%!) performance drop after upgrading to 8.4.4?  (John Reeve, )
On Wed, 2010-06-09 at 21:51 -0400, Robert Haas wrote:
> On Wed, Jun 9, 2010 at 6:56 AM, Max Williams <>
> wrote:
> > Any input? I can reproduce these numbers consistently. If you need
> more
> > information then just let me know. By the way, I am a new postgresql
> user so
> > my experience is limited.
>
> Maybe different compile options?  If we'd really slowed things down by
> 50% between 8.4.3 and 8.4.4, there'd be an awful lot of people
> screaming about it...

Given that there are 2 recent reports on the same issue, I wonder if the
new packages were built with debugging options or not.

--
Devrim GÜNDÜZ
PostgreSQL Danışmanı/Consultant, Red Hat Certified Engineer
PostgreSQL RPM Repository: http://yum.pgrpms.org
Community: devrim~PostgreSQL.org, devrim.gunduz~linux.org.tr
http://www.gunduz.org  Twitter: http://twitter.com/devrimgunduz

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