Re: Join slow on "large" tables

From: Josué Maldonado <josue(at)lamundial(dot)hn>
To: josh(at)agliodbs(dot)com
Cc: pgsql-performance(at)postgresql(dot)org
Subject: Re: Join slow on "large" tables
Date: 2004-06-07 23:30:13
Message-ID: 40C4FA85.8070205@lamundial.hn
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-performance

Josh,

El 07/06/2004 5:21 PM, Josh Berkus en su mensaje escribio:
>
> Huh? It is not at all the same. Your index scan is down to 87ms from
> 27,000! And the total query is down to 16seconds from 47 seconds. Don't
> you consider that an improvement?

Yes there was an improvement with respect the previus query, but still
16 seconds is too slow for that query. And usually the query takes more
than 10 seconds even with small data sets returned.

Thanks,

--
Sinceramente,
Josué Maldonado.

"La cultura es capaz de descifrar los enigmas en que nos envuelve la vida."

In response to

Browse pgsql-performance by date

  From Date Subject
Next Message Duane Lee - EGOVX 2004-06-07 23:31:44 Re: is it possible to for the planner to optimize this
Previous Message Josh Berkus 2004-06-07 23:21:10 Re: Join slow on "large" tables