Re: Hardware performance

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От Andrew Sullivan
Тема Re: Hardware performance
Дата
Msg-id 20030717184152.GG479@libertyrms.info
обсуждение исходный текст
Ответ на Re: Hardware performance  (Joe Conway)
Список pgsql-performance
Дерево обсуждения
Hardware performance  ("Balazs Wellisch", )
 Re: Hardware performance  ("Roman Fail", )
  Re: Hardware performance  (Ron Johnson, )
 Re: Hardware performance  (Joe Conway, )
  Re: Hardware performance  (Hannu Krosing, )
   Re: Hardware performance  (Joe Conway, )
    Re: Hardware performance  (Adam Witney, )
     Re: Hardware performance  (Joe Conway, )
      Re: Hardware performance  (Adam Witney, )
       Re: Hardware performance  (Joe Conway, )
       Re: Hardware performance  (Jord Tanner, )
       Re: Hardware performance  (Robert Creager, )
    Re: Hardware performance  (Andrew Sullivan, )
 Re: Hardware performance  (Vincent van Leeuwen, )
 Re: Hardware performance  (Jean-Luc Lachance, )
  Re: Hardware performance  (Joe Conway, )
 Re: Hardware performance  (Jean-Luc Lachance, )
 Re: Hardware performance  ("Magnus Hagander", )
  Re: Hardware performance  (Ron Johnson, )
 Re: Hardware performance  ("Magnus Hagander", )
On Thu, Jul 17, 2003 at 07:57:53AM -0700, Joe Conway wrote:
>
> As I said, I've never personally found it necessary to move WAL off to a
> different physical drive. What do you think is the best configuration

On our Solaris test boxes (where, alas, we do not have the luxury of
1/2 TB external RAID boxes :-( ), putting WAL on a disk of its own
yielded something like 30% improvement in throughput on high
transaciton volumes.  So it's definitely important in some cases.

A

----
Andrew Sullivan                         204-4141 Yonge Street
Liberty RMS                           Toronto, Ontario Canada
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