From: Tom Lane <tgl@sss.pgh.pa.us>
To: A. Kretschmer <andreas.kretschmer@schollglas.com>
Cc: pgsql-sql@postgresql.org
Subject: Re: slow query
Date: Thu, 05 Apr 2007 01:47:03 -0400
Message-ID: <19565.1175752023@sss.pgh.pa.us> (raw)
In-Reply-To: <20070405053637.GC24814@a-kretschmer.de>
References: <7539aebb0704042017l70d83d53u9c2e5105620a3fa7@mail.gmail.com>
<20070405051127.GA24814@a-kretschmer.de>
<19157.1175750845@sss.pgh.pa.us>
<20070405053637.GC24814@a-kretschmer.de>
"A. Kretschmer" <andreas.kretschmer@schollglas.com> writes:
> am Thu, dem 05.04.2007, um 1:27:25 -0400 mailte Tom Lane folgendes:
>> I'm betting the problem is poor vacuuming practice leading to lots of
>> dead space. There's no way it takes 22 sec to read 10 rows if the
>> table is reasonably dense.
> This was my first thought, but:
> ,----[ Quote ]
> | I've tried
> | vacuuming this table many time
> `----
[ shrug... ] If the damage is already done, lazy VACUUM won't fix it.
regards, tom lane
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To: pgsql-sql@postgresql.org
Cc: tgl@sss.pgh.pa.us, andreas.kretschmer@schollglas.com
Subject: Re: slow query
In-Reply-To: <19565.1175752023@sss.pgh.pa.us>
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