Re: [kris@obsecurity.org: Progress on scaling of FreeBSD on 8 CPU systems]

From: Stefan Kaltenbrunner
Subject: Re: [kris@obsecurity.org: Progress on scaling of FreeBSD on 8 CPU systems]
Date: ,
Msg-id: 45EC02B4.2070409@kaltenbrunner.cc
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In response to: Re: [kris@obsecurity.org: Progress on scaling of FreeBSD on 8 CPU systems]  (Arjen van der Meijden)
Responses: Re: [kris@obsecurity.org: Progress on scaling of FreeBSD on 8 CPU systems]  (Arjen van der Meijden)
List: pgsql-performance

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[kris@obsecurity.org: Progress on scaling of FreeBSD on 8 CPU systems]  ("Jim C. Nasby", )
 Re: [kris@obsecurity.org: Progress on scaling of FreeBSD on 8 CPU systems]  (Alvaro Herrera, )
  Re: [kris@obsecurity.org: Progress on scaling of FreeBSD on 8 CPU systems]  (Arjen van der Meijden, )
   Re: [kris@obsecurity.org: Progress on scaling of FreeBSD on 8 CPU systems]  (Arjen van der Meijden, )
    Re: [kris@obsecurity.org: Progress on scaling of FreeBSD on 8 CPU systems]  (Stefan Kaltenbrunner, )
     Re: [kris@obsecurity.org: Progress on scaling of FreeBSD on 8 CPU systems]  (Arjen van der Meijden, )
      Re: [kris@obsecurity.org: Progress on scaling of FreeBSD on 8 CPU systems]  (Stefan Kaltenbrunner, )
       Re: [kris@obsecurity.org: Progress on scaling of FreeBSD on 8 CPU systems]  (Tom Lane, )
        Re: [kris@obsecurity.org: Progress on scaling of FreeBSD on 8 CPU systems]  (Arjen van der Meijden, )
        Re: [kris@obsecurity.org: Progress on scaling of FreeBSD on 8 CPU systems]  (Stefan Kaltenbrunner, )
    Re: [kris@obsecurity.org: Progress on scaling of FreeBSD on 8 CPU systems]  (Richard Huxton, )
  Re: [kris@obsecurity.org: Progress on scaling of FreeBSD on 8 CPU systems]  (Scott Marlowe, )

Arjen van der Meijden wrote:
> And here is that latest benchmark we did, using a 8 dual core opteron
> Sun Fire x4600. Unfortunately PostgreSQL seems to have some difficulties
> scaling over 8 cores, but not as bad as MySQL.
>
> http://tweakers.net/reviews/674

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 ?


Stefan


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From: Heikki Linnakangas
Date:
Subject: Re: PostgreSQL 8.2.3 VACUUM Timings/Performance
From: Stefan Kaltenbrunner
Date:
Subject: Re: [kris@obsecurity.org: Progress on scaling of FreeBSD on 8 CPU systems]