a guess it's said inter-locking, I mean data accessed exclusively.
I apologize for my english
----- Original Message -----
From: "Neil Conway" <neilc@samurai.com>
To: "Luis Alberto Amigo Navarro" <lamigo@atc.unican.es>
Cc: <pgsql-hackers@postgresql.org>
Sent: Tuesday, November 05, 2002 4:47 PM
Subject: Re: [HACKERS] a tiny question
> "Luis Alberto Amigo Navarro" <lamigo@atc.unican.es> writes:
> > When we improve seq scans, systems scales well up to 8 cpus.When we
improve index
> > scan, query performance increase but system stops scaling at about 4
proccessors,
> > profiling shows that it is due to increased memory contention
>
> What do you mean by "memory contention"?
>
> Cheers,
>
> Neil
>
> --
> Neil Conway <neilc@samurai.com> || PGP Key ID: DB3C29FC
>
>
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