Re: Shared Memory Sizing

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От Bruce Momjian
Тема Re: Shared Memory Sizing
Дата
Msg-id 200206261754.g5QHslW19812@candle.pha.pa.us
обсуждение исходный текст
Ответ на Shared Memory Sizing  (Curt Sampson <cjs@cynic.net>)
Ответы Re: Shared Memory Sizing  (Doug Fields <dfields-pg-general@pexicom.com>)
Re: Shared Memory Sizing  (Curt Sampson <cjs@cynic.net>)
Re: Shared Memory Sizing  ("Glen Parker" <glenebob@nwlink.com>)
Список pgsql-general
Curt Sampson wrote:
>
> Just going back through old mail, I notice this. So I'm not the only one
> with this opinion. I've seen, at least twice in the last week or so,
> people make the mistake of devoting about half their memory to postgres
> shared memory buffers (the wost thing you can do!). Would someone care
> to go around and find all the spots that talk about this and update them
> to have more reasonable advice?

I advise in my hardware tuning guide that it be increased until paging
starts, then reduce it, and start around 25%.  Is that OK?

--
  Bruce Momjian                        |  http://candle.pha.pa.us
  pgman@candle.pha.pa.us               |  (610) 853-3000
  +  If your life is a hard drive,     |  830 Blythe Avenue
  +  Christ can be your backup.        |  Drexel Hill, Pennsylvania 19026



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