Re: Query parallelism

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От Jim C. Nasby
Тема Re: Query parallelism
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Msg-id 20060327143147.GU80726@pervasive.com
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Ответ на Query parallelism  (luchot <luchot@voila.fr>)
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On Mon, Mar 27, 2006 at 04:25:25PM +0200, luchot wrote:
> Hello everybody ,
> I use PostgreSQL 8.1.3 on a bi-processor Xeon and I would know how to do to enable a parallelism for
> the execution of  queries. Indeed , when I analyse the use of the cpus during a query the result is that for
> some minutes a cpu is used while the other not and after it is the contrary. So they are not used at the same
> time and i would know what i have to do in order cpus work together .
> Thanks and sorry for my english,

PostgreSQL has no support for intra-query parallelism at this time.
Greenplum's MPP might do what you're looking for.
--
Jim C. Nasby, Sr. Engineering Consultant      jnasby@pervasive.com
Pervasive Software      http://pervasive.com    work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf       cell: 512-569-9461

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