Re: Odd sorting behaviour - Mailing list pgsql-performance

From Steinar H. Gunderson
Subject Re: Odd sorting behaviour
Date
Msg-id 20040715221612.GA2904@uio.no
Whole thread Raw
In response to Re: Odd sorting behaviour  (Josh Berkus <josh@agliodbs.com>)
List pgsql-performance
On Thu, Jul 15, 2004 at 11:11:33AM -0700, Josh Berkus wrote:
>> sort_mem is already 16384, which I thought would be plenty -- I tried
>> increasing it to 65536 which made exactly zero difference. :-)
> Well, then the next step is increasing the statistical sampling on the 3 join
> columns in that table.   Try setting statistics to 500 for each of the 3
> cols, analyze, and see if that makes a difference.

Made no difference on either version (7.2 or 7.4).

BTW, you guys can stop Cc-ing me now; I'm subscribed. :-)

/* Steinar */
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