Re: shared buffers

From: William Yu <wyu(at)talisys(dot)com>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: shared buffers
Date: 2005-08-30 07:05:15
Message-ID: df10f9$1en9$1@news.hub.org
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Carlos Henrique Reimer wrote:
> I forgot to say that it´s a 12GB database...
>
> Ok, I´ll set shared buffers to 30.000 pages but even so "meminfo" and
> "top" shouldn´t show some shared pages?
>
> I heard something about that Redhat 9 can´t handle very well RAM higher
> than 2GB. Is it right?
> Thanks in advance!

RH9, like any 32-bit OS, is limited to 2GB address space w/o special
tricks. However, it can access > 2GB for the OS disk cache using PAE if
you are running the bigmem kernel.

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