Re: performance for high-volume log insertion

От: Stephen Frost
Тема: Re: performance for high-volume log insertion
Дата: ,
Msg-id: 20090421031518.GT8123@tamriel.snowman.net
(см: обсуждение, исходный текст)
Ответ на: Re: performance for high-volume log insertion  (Greg Smith)
Ответы: Re: performance for high-volume log insertion  ()
Список: pgsql-performance

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performance for high-volume log insertion  (, )
 Re: performance for high-volume log insertion  (Stephen Frost, )
  Re: performance for high-volume log insertion  (, )
   Re: performance for high-volume log insertion  (Stephen Frost, )
    Re: performance for high-volume log insertion  (, )
     Re: performance for high-volume log insertion  (Stephen Frost, )
      Re: performance for high-volume log insertion  (, )
       Re: performance for high-volume log insertion  (Stephen Frost, )
        Re: performance for high-volume log insertion  (, )
       Re: performance for high-volume log insertion  (Ben Chobot, )
        Re: performance for high-volume log insertion  (Stephen Frost, )
         Re: performance for high-volume log insertion  (, )
          Re: performance for high-volume log insertion  (Stephen Frost, )
           Re: performance for high-volume log insertion  (, )
            Re: performance for high-volume log insertion  (, )
             Re: performance for high-volume log insertion  (Stephen Frost, )
            Re: performance for high-volume log insertion  (Stephen Frost, )
   Re: performance for high-volume log insertion  (Greg Smith, )
    Re: performance for high-volume log insertion  (Stephen Frost, )
     Re: performance for high-volume log insertion  (, )
      Re: performance for high-volume log insertion  (Stephen Frost, )
    Re: performance for high-volume log insertion  (, )
     Re: performance for high-volume log insertion  (Stephen Frost, )
      Re: performance for high-volume log insertion  (, )
       Re: performance for high-volume log insertion  (Richard Huxton, )
        Re: performance for high-volume log insertion  (Kenneth Marshall, )
         Re: performance for high-volume log insertion  (, )
          Re: performance for high-volume log insertion  (Kenneth Marshall, )
     Re: performance for high-volume log insertion  (Greg Smith, )
      Re: performance for high-volume log insertion  (, )
       Re: performance for high-volume log insertion  (Kenneth Marshall, )
       Re: performance for high-volume log insertion  (Greg Smith, )
   Re: performance for high-volume log insertion  (James Mansion, )
    Re: performance for high-volume log insertion  (Stephen Frost, )
     Re: performance for high-volume log insertion  (, )
      Re: performance for high-volume log insertion  (Robert Haas, )
      Re: performance for high-volume log insertion  (Stephen Frost, )
       Re: performance for high-volume log insertion  (Glenn Maynard, )
        Re: performance for high-volume log insertion  (, )
         Re: performance for high-volume log insertion  (Glenn Maynard, )
        Re: performance for high-volume log insertion  (Stephen Frost, )
         Re: performance for high-volume log insertion  (Tom Lane, )
         Re: performance for high-volume log insertion  (Glenn Maynard, )
          Re: performance for high-volume log insertion  (Stephen Frost, )
           Re: performance for high-volume log insertion  (Glenn Maynard, )
            Re: performance for high-volume log insertion  (Stephen Frost, )
             Re: performance for high-volume log insertion  (Glenn Maynard, )
              Re: performance for high-volume log insertion  (Stephen Frost, )
             Re: performance for high-volume log insertion  (, )
              Re: performance for high-volume log insertion  (Stephen Frost, )
           Re: performance for high-volume log insertion  (Thomas Kellerer, )
            Re: performance for high-volume log insertion  (Kris Jurka, )
             Re: performance for high-volume log insertion  (Thomas, )
             Re: performance for high-volume log insertion  (Scott Marlowe, )
              Re: performance for high-volume log insertion  (Kris Jurka, )
               Re: performance for high-volume log insertion  (Scott Marlowe, )
               Re: performance for high-volume log insertion  (, )
     Re: performance for high-volume log insertion  (James Mansion, )
      Re: performance for high-volume log insertion  (Stephen Frost, )
       Re: performance for high-volume log insertion  (James Mansion, )
        Re: performance for high-volume log insertion  ("Joshua D. Drake", )
        Re: performance for high-volume log insertion  (Glenn Maynard, )
         Re: performance for high-volume log insertion  (, )
          Re: performance for high-volume log insertion  (Stephen Frost, )
         Re: performance for high-volume log insertion  (PFC, )
          Re: performance for high-volume log insertion  (, )
          Re: performance for high-volume log insertion  (Glenn Maynard, )
 Re: performance for high-volume log insertion  (Simon Riggs, )

Greg,

* Greg Smith () wrote:
> The win from switching from INSERT to COPY can be pretty big, further
> optimizing to BINARY you'd really need to profile to justify.

Have you done any testing to compare COPY vs. INSERT using prepared
statements?  I'd be curious to know how those compare and against
multi-value INSERTS, prepared and unprepared.

    Thanks,

        Stephen

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