Re: ways to force index use?

From: Seth Ladd <seth(at)picklematrix(dot)net>
To: pgsql-performance(at)postgresql(dot)org
Subject: Re: ways to force index use?
Date: 2003-10-14 08:18:06
Message-ID: F01852B8-FE1E-11D7-A960-000A9576D038@picklematrix.net
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-performance


On Monday, Oct 13, 2003, at 21:24 Pacific/Honolulu, mila wrote:

> Seth,
>
>> My system: RH9, PG 7.3.4, IDE, 1 gig RAM, celeron 1.7
> ...
>> Size of table: 16212 rows
>> Params: shared_buffers = 128, effective_cache_size = 8192
>
> Just in case,
> the "shared_buffers" value looks a bit far too small for your system.
> I think you should raise it to at least 1024, or so.
>
> Effective cache size could be (at least) doubled, too ==> this might
> help forcing the index use.

Thanks! I'm just beginning to play with these numbers. I'll
definitely try them out.

I can't wait to try out the script that will help set these parameters!
:)

Seth

Browse pgsql-performance by date

  From Date Subject
Next Message Peter Eisentraut 2003-10-14 15:13:52 Re: [HACKERS] Sun performance - Major discovery!
Previous Message Christopher Kings-Lynne 2003-10-14 01:43:29 Re: go for a script! / ex: PostgreSQL vs. MySQL