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Re: Speeding up query, Joining 55mil and 43mil records.

From: Scott Marlowe <smarlowe(at)g2switchworks(dot)com>
To: nicky <nicky(at)valuecare(dot)nl>
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Speeding up query, Joining 55mil and 43mil records.
Date: 2006-06-21 17:03:41
Message-ID: 1150909421.26538.135.camel@state.g2switchworks.com (view raw or flat)
Thread:
Lists: pgsql-performance
On Wed, 2006-06-21 at 08:47, nicky wrote:
> Hello People, 

SNIPPAGE

> The query above takes around 42 minutes. 
> 
> However, i also have a wimpy desktop machine with 1gb ram. Windows
> with MSSQL 2000 (default installation), same database structure, same
> indexes, same query, etc and it takes 17 minutes. The big difference
> makes me think that i've made an error with my PostgreSQL
> configuration. I just can't seem to figure it out. 

What is the difference between the two plans (i.e. explain on both boxes
and compare)

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Next:From: Tom LaneDate: 2006-06-21 17:12:11
Subject: Re: Speeding up query, Joining 55mil and 43mil records.
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Subject: Re: Help tuning autovacuum - seeing lots of relationbloat

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