Re: How many threads/cores Postgres can utilise?

From: Merlin Moncure <mmoncure(at)gmail(dot)com>
To: Piotr Kublicki <Piotr(dot)Kublicki(at)iop(dot)org>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: How many threads/cores Postgres can utilise?
Date: 2010-04-28 17:51:24
Message-ID: s2ib42b73151004281051y529bc73cyefc109c5f34dd3d2@mail.gmail.com
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On Wed, Apr 28, 2010 at 5:15 AM, Piotr Kublicki <Piotr(dot)Kublicki(at)iop(dot)org> wrote:
> Sorry to be a royal pain, but I cannot find it anywhere in the
> documentation: how many threads/CPU cores Postgres v. 8.4 can utilise?
> We're thinking about installing Postgres on a virtual machine (RedHat 5
> 64-bits), however not sure how many CPUs can be wisely assigned, without
> wasting of resources. Can Postgres utilise multi-core/multi-threaded
> architecture in a reasonably extent?

postgresql will gladly munch on everything you throw at it unless you
are running a single user app. how many cores to assign has more to
do with the VM technology you are using than anything else.

merlin

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