> 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
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Bruce Momjian | http://candle.pha.pa.us
pgman@candle.pha.pa.us | (610) 853-3000
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