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Re: Feature Request --- was: PostgreSQL Performance Tuning

От: Mark Kirkwood
Тема: Re: Feature Request --- was: PostgreSQL Performance Tuning
Дата: ,
Msg-id: 463C2FED.8020400@paradise.net.nz
(см: обсуждение, исходный текст)
Ответ на: Re: Feature Request --- was: PostgreSQL Performance Tuning  (Josh Berkus)
Ответы: Re: Feature Request --- was: PostgreSQL Performance Tuning  (Sebastian Hennebrueder)
Список: pgsql-performance

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Re: [GENERAL] PostgreSQL Performance Tuning  (Steve Crawford, )
 Feature Request --- was: PostgreSQL Performance Tuning  (Carlos Moreno, )
  Re: Feature Request --- was: PostgreSQL Performance Tuning  (Tom Lane, )
   Re: Feature Request --- was: PostgreSQL Performance Tuning  (Carlos Moreno, )
    Re: Feature Request --- was: PostgreSQL Performance Tuning  (Michael Stone, )
     Re: Feature Request --- was: PostgreSQL Performance Tuning  (Mark Lewis, )
      Re: Feature Request --- was: PostgreSQL Performance Tuning  (Michael Stone, )
     Re: Feature Request --- was: PostgreSQL Performance Tuning  (Jim Nasby, )
     Re: Feature Request --- was: PostgreSQL Performance Tuning  (Dan Harris, )
      Re: Feature Request --- was: PostgreSQL Performance Tuning  (Josh Berkus, )
       Re: Feature Request --- was: PostgreSQL Performance Tuning  (Greg Smith, )
        Re: Feature Request --- was: PostgreSQL Performance Tuning  ("Craig A. James", )
         Re: Feature Request --- was: PostgreSQL Performance Tuning  (Kevin Hunter, )
          Re: Feature Request --- was: PostgreSQL Performance Tuning  (Greg Smith, )
        Re: Feature Request --- was: PostgreSQL Performance Tuning  (Josh Berkus, )
         Re: Feature Request --- was: PostgreSQL Performance Tuning  (Carlos Moreno, )
          Re: Feature Request --- was: PostgreSQL Performance Tuning  (, )
           Re: Feature Request --- was: PostgreSQL Performance Tuning  (Sebastian Hennebrueder, )
            Re: Feature Request --- was: PostgreSQL Performance Tuning  (Josh Berkus, )
             Re: Feature Request --- was: PostgreSQL Performance Tuning  (Sebastian Hennebrueder, )
             Re: Feature Request --- was: PostgreSQL Performance Tuning  (Mark Kirkwood, )
              Re: Feature Request --- was: PostgreSQL Performance Tuning  (Sebastian Hennebrueder, )
             Re: Feature Request --- was: PostgreSQL Performance Tuning  (Jim Nasby, )
              Re: Feature Request --- was: PostgreSQL Performance Tuning  (Andreas Kostyrka, )
         Re: Feature Request --- was: PostgreSQL Performance Tuning  (Greg Smith, )
          Re: Feature Request --- was: PostgreSQL Performance Tuning  (, )
          Re: Feature Request --- was: PostgreSQL Performance Tuning  (Josh Berkus, )
           Re: Feature Request --- was: PostgreSQL Performance Tuning  (, )
            Re: Feature Request --- was: PostgreSQL Performance Tuning  (Carlos Moreno, )
             Re: Feature Request --- was: PostgreSQL Performance Tuning  (, )
              Re: Feature Request --- was: PostgreSQL Performance Tuning  (Carlos Moreno, )
               Re: Feature Request --- was: PostgreSQL Performance Tuning  (, )
                Re: Feature Request --- was: PostgreSQL Performance Tuning  (Carlos Moreno, )
                 Re: Feature Request --- was: PostgreSQL Performance Tuning  (, )
                  Re: Feature Request --- was: PostgreSQL Performance Tuning  (Carlos Moreno, )
                   Re: Feature Request --- was: PostgreSQL Performance Tuning  (, )
           Re: Feature Request --- was: PostgreSQL Performance Tuning  (Greg Smith, )
            Re: Feature Request --- was: PostgreSQL Performance Tuning  (Michael Stone, )
             Re: Feature Request --- was: PostgreSQL Performance Tuning  (Greg Smith, )
              Re: Feature Request --- was: PostgreSQL Performance Tuning  ("Steinar H. Gunderson", )
       Re: Feature Request --- was: PostgreSQL Performance Tuning  (Ron, )
      Re: Feature Request --- was: PostgreSQL Performance Tuning  (Bill Moran, )
       Re: Feature Request --- was: PostgreSQL Performance Tuning  (Josh Berkus, )
       Re: Feature Request --- was: PostgreSQL Performance Tuning  (Dan Harris, )
        Re: Feature Request --- was: PostgreSQL Performance Tuning  (Josh Berkus, )
         Re: Feature Request --- was: PostgreSQL Performance Tuning  (, )
    Re: Feature Request --- was: PostgreSQL Performance Tuning  (Tom Lane, )
     Re: Feature Request --- was: PostgreSQL Performance Tuning  ("H.J. Sanders", )
     Re: Feature Request --- was: PostgreSQL Performance Tuning  (Kevin Hunter, )
      Re: Feature Request --- was: PostgreSQL Performance Tuning  (Ray Stell, )
    Re: Feature Request --- was: PostgreSQL Performance Tuning  ("Harald Armin Massa", )
     Re: Feature Request --- was: PostgreSQL Performance Tuning  ("Jonah H. Harris", )
      Re: Feature Request --- was: PostgreSQL Performance Tuning  ("Harald Armin Massa", )
     Re: Feature Request --- was: PostgreSQL Performance Tuning  (Carlos Moreno, ) 
Josh Berkus wrote:
> Sebastian,
>
>> Before inventing a hyper tool, we might consider to provide 3-5 example
>> szenarios for common hardware configurations. This consumes less time
>> and be discussed and defined in a couple of days. This is of course not
>> the correct option for a brandnew 20 spindle Sata 10.000 Raid 10 system
>> but these are probably not the target for default configurations.
>
> That's been suggested a number of times, but some GUCs are really tied to the
> *exact* amount of RAM you have available.  So I've never seen how "example
> configurations" could help.
>

I'm not convinced about this objection - having samples gives a bit of a
heads up on *what* knobs you should at least look at changing.

Also it might be helpful on the -general or -perf lists to be able to
say "try config 3 (or whatever we call 'em) and see what changes..."

I've certainly found the sample config files supplied with that database
whose name begins with 'M' a useful *start* when I want something better
than default...

Cheers

Mark

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