Re: [PERFORMANCE] work_mem vs temp files issue

From: Jaime Casanova <jcasanov(at)systemguards(dot)com(dot)ec>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, 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 19:16:38
Message-ID: 3073cc9b1001111116x53427c9bm1e448128a3b4f6c6@mail.gmail.com
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On Mon, Jan 11, 2010 at 2:14 PM, Jaime Casanova
<jcasanov(at)systemguards(dot)com(dot)ec> wrote:
> On Mon, Jan 11, 2010 at 2:07 PM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
>> On Mon, Jan 11, 2010 at 1:15 PM, Jaime Casanova
>> <jcasanov(at)systemguards(dot)com(dot)ec> wrote:
>>> 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.
>>
>> I think maybe there was supposed to be an attachment here?
>>
>
> i knew i was forgotting something ;)
> ah! and this is in 8.5dev but it's the same in 8.3
>

oh! boy this can't be happen!
attaching again

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

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