Re: How to determine cause of performance problem? - Mailing list pgsql-performance

From Joost Kraaijeveld
Subject Re: How to determine cause of performance problem?
Date
Msg-id 1127482558.3524.23.camel@Panoramix
Whole thread Raw
In response to Re: How to determine cause of performance problem?  (Arjen van der Meijden <acmmailing@tweakers.net>)
Responses Re: How to determine cause of performance problem?  (Arjen van der Meijden <acmmailing@tweakers.net>)
Re: How to determine cause of performance problem?  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-performance
On Fri, 2005-09-23 at 13:19 +0200, Arjen van der Meijden wrote:
> Another suggestion:
> How many indexes and constraints are on the new table?
As mentioned in the first mail: in this tables only primary key
constraints, no other indexes or constraints.

> Drop all of them and recreate them once the table is filled. Of course
> that only works if you know your data will be ok (which is normal for
> imports of already conforming data like database dumps of existing tables).
> This will give major performance improvements, if you have indexes and
> such on the new table.
I will test this a for perfomance improvement, but still, I wonder if ~
100 inserts/second is a reasonable performance for my software/hardware
combination.

--
Groeten,

Joost Kraaijeveld
Askesis B.V.
Molukkenstraat 14
6524NB Nijmegen
tel: 024-3888063 / 06-51855277
fax: 024-3608416
e-mail: J.Kraaijeveld@Askesis.nl
web: www.askesis.nl



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