From: Tom Lane <tgl@sss.pgh.pa.us>
To: Markus Wollny <Markus.Wollny@computec.de>
Cc: pgsql-performance@postgresql.org
Subject: Re: Queries taking ages in PG 8.1, have been much faster in PG<=8.0
Date: Thu, 01 Dec 2005 11:34:46 -0500
Message-ID: <11679.1133454886@sss.pgh.pa.us> (raw)
In-Reply-To: <28011CD60FB1724DBA4442E38277F6264A62C1@hermes.computec.de>
References: <28011CD60FB1724DBA4442E38277F6264A62C1@hermes.computec.de>
"Markus Wollny" <Markus.Wollny@computec.de> writes:
>> Once you're not under deadline,
>> I'd like to investigate more closely to find out why 8.1 does
>> worse than 8.0 here.
> Please tell me what I can do to help in clearing up this issue, I'd be
> very happy to help!
The first thing to do is get 8.0's EXPLAIN ANALYZE for the same query.
After we see how that differs from 8.1, we'll know what the next
question should be ...
regards, tom lane
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-performance@postgresql.org
Cc: tgl@sss.pgh.pa.us, Markus.Wollny@computec.de
Subject: Re: Queries taking ages in PG 8.1, have been much faster in PG<=8.0
In-Reply-To: <11679.1133454886@sss.pgh.pa.us>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox