Re: Increasing RAM for more than 4 Gb. using postgresql

From: Martin Tedjawardhana <bitboxx(at)gmail(dot)com>
To: PGsql-performance <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Increasing RAM for more than 4 Gb. using postgresql
Date: 2005-01-18 12:00:33
Message-ID: 1eae200b05011804005a550a03@mail.gmail.com
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Why dont you just grab the latest stable kernel from kernel.org,
customize it, compile it and the see what happens?

On Tue, 18 Jan 2005 09:35:12 +0700, amrit(at)health2(dot)moph(dot)go(dot)th
<amrit(at)health2(dot)moph(dot)go(dot)th> wrote:
> > I understand that the 2.6.* kernels are much better at large memory
> > support (with respect to performance issues), so unless you have a
> > 64-bit machine lying around - this is probably worth a try.
> >
> > You may need to build a new kernel with the various parameters :
> >
> > CONFIG_NOHIGHMEM
> > CONFIG_HIGHMEM4G
> > CONFIG_HIGHMEM64G
> >
> > set appropriately (or even upgrade to the latest 2.6.10). I would expect
> > that some research and experimentation will be required to get the best
> > out of it - (e.g. the 'bounce buffers' issue).
>
> In the standard rpm FC 2-3 with a newly install server , would it automatically
> detect and config it if I use the mechine with > 4 Gb [6Gb.] or should I
> manually config it?
> Amrit
> Thailand
>
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