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Re: [PERFORMANCE] work_mem vs temp files issue

From: Jaime Casanova <jcasanov(at)systemguards(dot)com(dot)ec>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: decibel <decibel(at)decibel(dot)org>, psql performance list <pgsql-performance(at)postgresql(dot)org>
Subject: Re: [PERFORMANCE] work_mem vs temp files issue
Date: 2010-01-11 18:15:20
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-performance
On Sun, Sep 13, 2009 at 5:37 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> It might be useful to turn on trace_sort to see if the small files
> are coming from sorts.  If they're from hashes I'm afraid there's
> no handy instrumentation ...

yes they are, this is the log (i deleted the STATEMENT lines because
they were redundant), seems like all the temp files are used to
execute the same sentence...

BTW, this is my laptop no the server.

Jaime Casanova
Soporte y capacitación de PostgreSQL
Asesoría y desarrollo de sistemas
Guayaquil - Ecuador
Cel. +59387171157

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