От: Alexander Priem
Тема: Re: Tuning PostgreSQL
Дата: ,
Msg-id: 008e01c34f6c$27325c60$b696a8c0@APR
(см: обсуждение, исходный текст)
Ответ на: Re: Tuning PostgreSQL  ("Shridhar Daithankar")
Список: pgsql-performance

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Tuning PostgreSQL  ("Alexander Priem", )
 Re: Tuning PostgreSQL  ("Shridhar Daithankar", )
 Re: Tuning PostgreSQL  ("Shridhar Daithankar", )
  Re: Tuning PostgreSQL  ("Alexander Priem", )
  Re: Tuning PostgreSQL  (Ang Chin Han, )
   Re: Tuning PostgreSQL  ("Shridhar Daithankar", )
    Re: Tuning PostgreSQL  (Ang Chin Han, )
     Re: Tuning PostgreSQL  ("Shridhar Daithankar", )
  Re: Tuning PostgreSQL  ("Alexander Priem", )
   Re: Tuning PostgreSQL  ("Shridhar Daithankar", )
    Re: Tuning PostgreSQL  ("Alexander Priem", )
  Re: Tuning PostgreSQL  (Ron Johnson, )
  Re: Tuning PostgreSQL  ("Alexander Priem", )
   Re: Tuning PostgreSQL  (Ron Johnson, )
   Re: Tuning PostgreSQL  (Andrew McMillan, )
    Re: Tuning PostgreSQL  ("Arjen van der Meijden", )
     Re: Tuning PostgreSQL  (Tom Lane, )
     Re: Tuning PostgreSQL  ("Balazs Wellisch", )
      Re: Tuning PostgreSQL  (Josh Berkus, )
 Re: Tuning PostgreSQL  ("Roman Fail", )
  Re: Tuning PostgreSQL  ("Alexander Priem", )
   Re: Tuning PostgreSQL  (Josh Berkus, )
    Re: Tuning PostgreSQL  (Vincent van Leeuwen, )
  Re: Tuning PostgreSQL  ("Alexander Priem", )
   Re: Tuning PostgreSQL  (Vincent van Leeuwen, )
    Re: Tuning PostgreSQL  (Bruno Wolff III, )
  Re: Tuning PostgreSQL  ("Alexander Priem", )
   Re: Tuning PostgreSQL  (Andrew Sullivan, )
   Re: Tuning PostgreSQL  ("Jim C. Nasby", )
    Re: Tuning PostgreSQL  ("scott.marlowe", )
     Re: Tuning PostgreSQL  (Greg Stark, )
      Re: Tuning PostgreSQL  (Ron Johnson, )
     Re: Tuning PostgreSQL  (Vivek Khera, )
      Re: Tuning PostgreSQL  (Ron Johnson, )
       Re: Tuning PostgreSQL  ("scott.marlowe", )
        Re: Tuning PostgreSQL  (Ron Johnson, )
         Re: Tuning PostgreSQL  ("scott.marlowe", )
          Re: Tuning PostgreSQL  (Ron Johnson, )
           Re: Tuning PostgreSQL  ("scott.marlowe", )
            Re: Tuning PostgreSQL  (Ron Johnson, )
             Re: Tuning PostgreSQL, pt 2  (Ron Johnson, )
          Re: Tuning PostgreSQL  (Vivek Khera, )
      Re: Tuning PostgreSQL  (Will LaShell, )
  Re: Tuning PostgreSQL  ("Alexander Priem", )
   Re: Tuning PostgreSQL  (Ron Johnson, )
  Re: Tuning PostgreSQL  (Vivek Khera, )
 'View'-performance  ("Alexander Priem", )
  Re: 'View'-performance  (Tom Lane, )

Thanks, I will look at the site you sent me and purchase some hardware. Then
I will run some benchmarks.

Kind regards,
Alexander.

----- Original Message -----
From: "Shridhar Daithankar" <>
To: "Alexander Priem" <>
Cc: <>
Sent: Monday, July 21, 2003 11:33 AM
Subject: Re: [PERFORM] Tuning PostgreSQL


> Hi Alexander ,
>
> On 21 Jul 2003 at 11:23, Alexander Priem wrote:
> > So the memory settings I specified are pretty much OK?
>
> As of now yes, You need to test with these settings and make sure that
they
> perform as per your requirement. That tweaking will always be there...
>
> > What would be good guidelines for setting effective_cache_size, noatime
?
>
> I suggest you look at
> http://www.varlena.com/varlena/GeneralBits/Tidbits/perf.html.
>
> That should help you.
>
> > I use ext3 filesystem, which probably is not the best performer, is it?
>
> No. You also need to check ext2, reiser and XFS. There is no agreement
between
> users as in what works best. You need to benchmark and decide.
>
> > I will set the WAL on a separate drive. What do I need to change in the
conf
> > files to achive this?
>
> No. You need to shutdown postgresql server process and symlink WAL and
clog
> directories in postgresql database cluster to another place. That should
do it.
>
> HTH
>
> Bye
>  Shridhar
>
> --
> Meade's Maxim: Always remember that you are absolutely unique, just like
everyone else.
>



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