From: | Martijn van Oosterhout <kleptog(at)svana(dot)org> |
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To: | Reg Me Please <regmeplease(at)gmail(dot)com> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: INDEX and JOINs |
Date: | 2007-10-26 13:02:21 |
Message-ID: | 20071026130221.GD24394@svana.org |
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Lists: | pgsql-general |
On Fri, Oct 26, 2007 at 02:39:28PM +0200, Reg Me Please wrote:
> > >----------------------------------------------------- Hash Join
> > > (cost=3.95..382140.91 rows=274709 width=91) (actual
> > > time=1.929..57713.305 rows=92 loops=1)
> > > Hash Cond: (t_dati.camp_id = t_campi.camp_id)
>
> prove=# \d t_dati
Ok, my suggestion would be to run it with "enable_seqscan=off" and if
that is indeed faster, then try reducing random_page_cost.
Have a nice day,
--
Martijn van Oosterhout <kleptog(at)svana(dot)org> http://svana.org/kleptog/
> From each according to his ability. To each according to his ability to litigate.
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