| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | "Thalis A(dot) Kalfigopoulos" <thalis(at)cs(dot)pitt(dot)edu> |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: SHMMAX value |
| Date: | 2001-06-27 17:52:40 |
| Message-ID: | 200106271752.f5RHqeb07323@candle.pha.pa.us |
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| Lists: | pgsql-general |
> This was asked repeatedly the past 2 weeks. With regard to "what
> is a sane value for shmmax in the kernel?" Oracle's recommendation
> is to go for 0.5*physical_memory. So I gues that 0.25*physical_memory
> for Pg should be fine.
Read my article on hardware performance tuning:
http://www.ca.postgresql.org/docs/hw_performance
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 853-3000
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