Re: Reallife szenario for GEQO

From: Bernd Helmle <mailings(at)oopsware(dot)de>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: Reallife szenario for GEQO
Date: 2004-01-13 17:13:14
Message-ID: 4004272A.6050309@oopsware.de
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-general

Tom Lane wrote:
> Bernd Helmle <mailings(at)oopsware(dot)de> writes:
>
>>But what means "enough tables"?
>
>
> GEQO_THRESHOLD or more. You can set that anywhere you like (I think the
> default is 11 or 12, which is about where the standard exhaustive-search
> planner becomes painfully slow).
>
> regards, tom lane
>

Thank you Tom, that's helpful.

Bernd

In response to

Browse pgsql-general by date

  From Date Subject
Next Message Keith G. Murphy 2004-01-13 17:15:30 Re: Best practice? Web application: single PostgreSQL
Previous Message Randal L. Schwartz 2004-01-13 17:05:28 Re: Postgress and MYSQL