From: Adriaan van Os <postgres@microbizz.nl>
To: pgsql-performance@postgresql.org
Subject: Re: TRUNCATE TABLE
Date: Fri, 13 Jul 2007 21:32:09 +0200
Message-ID: <4697D339.2090204@microbizz.nl> (raw)
In-Reply-To: <23092.1184344246@sss.pgh.pa.us>
References: <46953949.3030201@microbizz.nl>
<87ps2ypox3.fsf@oxford.xeocode.com>
<46972DFA.9000900@microbizz.nl>
<20070713124435.GL31358@mathom.us>
<21495.1184337630@sss.pgh.pa.us>
<4697A58E.8060904@microbizz.nl>
<23092.1184344246@sss.pgh.pa.us>
Tom Lane wrote:
> Adriaan van Os <postgres@microbizz.nl> writes:
>> I started another test. I copied an existing database (not very large,
>> 35 tables, typically a few hundred up to a few thousand records) with
>> CREATE DATABASE testdb TEMPLATE mydb and started to remove random
>> tables from testdb with DROP TABLE and TRUNCATE TABLE. I did this with
>> the query tool of pgAdmin III, to exclude any doubts about my own
>> software (that uses pqlib).
>
> Can you try it with plain psql? pgAdmin is a variable that wasn't
> accounted for in my tests.
Will do that and report the results.
>> The hardware is an Intel dual-core 17-inch
>> MacBook Pro running Mac OS X 10.4.
>
> Hmm. I thought you said Fedora before.
Yes, the test that I mentioned yesterday was on Fedora, but as you were "of the opinion that
there's something broken about
Adriaan's infrastructure" I tried the new test on a completely different system today.
However, I'd done a few tests
> yesterday on my own Mac laptop (Al G4) and not gotten results that were
> out of line with HPUX or Fedora.
>
> Does anyone else want to try replicating these tests?
Thanks,
Adriaan van Os
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: postgres@microbizz.nl
Subject: Re: TRUNCATE TABLE
In-Reply-To: <4697D339.2090204@microbizz.nl>
* 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