on delete cascade slowing down delete - Mailing list pgsql-general

From Ivan Sergio Borgonovo
Subject on delete cascade slowing down delete
Date
Msg-id 20080821190632.6ef138f2@dawn.webthatworks.it
Whole thread Raw
Responses Re: on delete cascade slowing down delete  (Alan Hodgson <ahodgson@simkin.ca>)
Re: on delete cascade slowing down delete  (David Fetter <david@fetter.org>)
List pgsql-general
I've a large table with a pk and several smaller tables with fk
referencing to it.

deleting from the first table is very slow.

Not all the related fk have indexes but they are VERY small (0 to
100 records) while the main table contain 600-800K records.

the
explain delete p;
doesn't give any clue.

Any hint to track down the problem?

thanks

--
Ivan Sergio Borgonovo
http://www.webthatworks.it


pgsql-general by date:

Previous
From: Robert Gobeille
Date:
Subject: Re: plpgsql - sorting result set
Next
From: Mark Roberts
Date:
Subject: Re: What's size of your PostgreSQL Database?