Re: Testing Sandforce SSD

От: Michael Stone
Тема: Re: Testing Sandforce SSD
Дата: ,
Msg-id: 54bfd3f0-9a42-11df-9b6a-001cc0cda50c@msgid.mathom.us
(см: обсуждение, исходный текст)
Ответ на: Re: Testing Sandforce SSD  (Scott Marlowe)
Список: pgsql-performance

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Testing Sandforce SSD  (Yeb Havinga, )
 Re: Testing Sandforce SSD  (David Boreham, )
  Re: Testing Sandforce SSD  (, )
 Re: Testing Sandforce SSD  (Ben Chobot, )
 Re: Testing Sandforce SSD  (Greg Smith, )
  Re: Testing Sandforce SSD  (Yeb Havinga, )
   Re: Testing Sandforce SSD  (Yeb Havinga, )
    Re: Testing Sandforce SSD  (Yeb Havinga, )
     Re: Testing Sandforce SSD  (Greg Smith, )
  Re: Testing Sandforce SSD  (Greg Smith, )
   Re: Testing Sandforce SSD  ("Joshua D. Drake", )
    Re: Testing Sandforce SSD  (Greg Smith, )
   Re: Testing Sandforce SSD  (Yeb Havinga, )
    Re: Testing Sandforce SSD  (Karl Denninger, )
    Re: Testing Sandforce SSD  (Merlin Moncure, )
     Re: Testing Sandforce SSD  (Yeb Havinga, )
      Re: Testing Sandforce SSD  (Josh Berkus, )
       Re: Testing Sandforce SSD  (Greg Smith, )
        Re: Testing Sandforce SSD  (Scott Marlowe, )
         Re: Testing Sandforce SSD  (Yeb Havinga, )
          Re: Testing Sandforce SSD  (Greg Smith, )
          Re: Testing Sandforce SSD  (Hannu Krosing, )
     Re: Testing Sandforce SSD  (Scott Carey, )
      Re: Testing Sandforce SSD  (Brad Nicholson, )
   Re: Testing Sandforce SSD  ("Joshua D. Drake", )
  Re: Testing Sandforce SSD  (Yeb Havinga, )
   Re: Testing Sandforce SSD  (Yeb Havinga, )
    Re: Testing Sandforce SSD  (Matthew Wakeling, )
     Re: Testing Sandforce SSD  (Yeb Havinga, )
      Re: Testing Sandforce SSD  (Greg Smith, )
       Re: Testing Sandforce SSD  (Yeb Havinga, )
        Re: Testing Sandforce SSD  (Yeb Havinga, )
        Re: Testing Sandforce SSD  (Greg Smith, )
         Re: Testing Sandforce SSD  (Greg Spiegelberg, )
          Re: Testing Sandforce SSD  (Andres Freund, )
          Re: Testing Sandforce SSD  (Greg Smith, )
          Re: Testing Sandforce SSD  (Michael Stone, )
           Re: Testing Sandforce SSD  (Yeb Havinga, )
            Re: Testing Sandforce SSD  (Yeb Havinga, )
             Re: Testing Sandforce SSD  (Greg Spiegelberg, )
            Re: Testing Sandforce SSD  (Michael Stone, )
         Re: Testing Sandforce SSD  (Scott Carey, )
     Re: Testing Sandforce SSD  (Greg Smith, )
      Re: Testing Sandforce SSD  (Matthew Wakeling, )
       Re: Testing Sandforce SSD  (Yeb Havinga, )
        Re: Testing Sandforce SSD  (Greg Spiegelberg, )
         Re: Testing Sandforce SSD  (Greg Smith, )
          Re: Testing Sandforce SSD  (Scott Marlowe, )
           Re: Testing Sandforce SSD  (Michael Stone, )
       Re: Testing Sandforce SSD  (Greg Smith, )
        Re: Testing Sandforce SSD  ("Kevin Grittner", )
        Re: Testing Sandforce SSD  (Hannu Krosing, )
   Re: Testing Sandforce SSD  (Yeb Havinga, )
  Re: Testing Sandforce SSD  (Bruce Momjian, )
 Re: Testing Sandforce SSD  (Merlin Moncure, )
 Re: Testing Sandforce SSD  (Yeb Havinga, )
  Re: Testing Sandforce SSD  (Yeb Havinga, )
   Re: Testing Sandforce SSD  (Merlin Moncure, )
    Re: Testing Sandforce SSD  (Scott Carey, )
 Re: Testing Sandforce SSD  (Chris Browne, )
 Re: Testing Sandforce SSD  (Chris Browne, )

On Mon, Jul 26, 2010 at 01:47:14PM -0600, Scott Marlowe wrote:
>Note that SSDs aren't usually real fast at large sequential writes
>though, so it might be worth putting pg_xlog on a spinning pair in a
>mirror and seeing how much, if any, the SSD drive speeds up when not
>having to do pg_xlog.

xlog is also where I use ext2; it does bench faster for me in that
config, and the fsck issues don't really exist because you're not in a
situation with a lot of files being created/removed.

Mike Stone


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