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

From: amrit(at)health2(dot)moph(dot)go(dot)th
To: William Yu <wyu(at)talisys(dot)com>
Cc: PGsql-performance <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Increasing RAM for more than 4 Gb. using postgresql
Date: 2005-01-17 23:17:29
Message-ID: 1106003849.41ec4789089f1@webmail.moph.go.th
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> >>Since the optimal state is to allocate a small amount of memory to
> >>Postgres and leave a huge chunk to the OS cache, this means you are
> >>already hitting the PAE penalty at 1.5GB of memory.
> >>
> >
> > How could I change this hitting?
>
> Upgrade to 64-bit processors + 64-bit linux.

Does the PAE help linux in handling the memory of more than 4 Gb limit in 32 bit
archetech ? My intel server board could handle the mem of 12 Gb [according to
intel spec.] and if I use Fedora C2 with PAE , will it useless for mem of more
than >4Gb.?

Any comment please?
Amrit
Thailand

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