Re: Speeding up query, Joining 55mil and 43mil records. - Mailing list pgsql-performance

From Scott Marlowe
Subject Re: Speeding up query, Joining 55mil and 43mil records.
Date
Msg-id 1150909421.26538.135.camel@state.g2switchworks.com
Whole thread Raw
In response to Speeding up query, Joining 55mil and 43mil records.  (nicky <nicky@valuecare.nl>)
Responses Re: Speeding up query, Joining 55mil and 43mil records.  (Tom Lane <tgl@sss.pgh.pa.us>)
List 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)

pgsql-performance by date:

Previous
From: "jody brownell"
Date:
Subject: Re: Help tuning autovacuum - seeing lots of relationbloat
Next
From: Tom Lane
Date:
Subject: Re: Speeding up query, Joining 55mil and 43mil records.