Received: from localhost (unknown [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id BE8C364FCD8 for ; Mon, 13 Oct 2008 05:43:24 -0300 (ADT) Received: from postgresql.org ([200.46.204.86]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 02428-08 for ; Mon, 13 Oct 2008 05:43:18 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from westnet.com (westnet.com [216.187.52.2]) by postgresql.org (Postfix) with ESMTP id 648D364FCC6 for ; Mon, 13 Oct 2008 05:43:16 -0300 (ADT) Received: from westnet.com (localhost [127.0.0.1]) by westnet.com (8.14.0/8.14.0) with ESMTP id m9D8hAuo007587; Mon, 13 Oct 2008 04:43:10 -0400 (EDT) Received: from localhost (gsmith@localhost) by westnet.com (8.14.0/8.13.2/Submit) with ESMTP id m9D8hAMp007583; Mon, 13 Oct 2008 04:43:10 -0400 (EDT) X-Authentication-Warning: westnet.com: gsmith owned process doing -bs Date: Mon, 13 Oct 2008 04:43:10 -0400 (EDT) From: Greg Smith X-X-Sender: gsmith@westnet.com To: Scott Marlowe cc: =?X-UNKNOWN?Q?Mikkel_H=F8gh?= , pgsql-performance@postgresql.org Subject: Re: Drupal and PostgreSQL - performance issues? In-Reply-To: Message-ID: References: <2434A118-CEFA-43A9-BA88-006EC1F80326@hoegh.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0 tagged_above=0 required=5 tests=none X-Spam-Level: X-Archive-Number: 200810/60 X-Sequence-Number: 31641 On Sun, 12 Oct 2008, Scott Marlowe wrote: > It may well be that in a more realistic testing that mysql keeps up > through 5 or 10 client connections then collapses at 40 or 50, while > pgsql keeps climbing in performance. One of the best pro-PostgreSQL comparisons showing this behavior is at http://tweakers.net/reviews/649/7 MySQL owns that benchmark until you hit 40 users, then...ouch. -- * Greg Smith gsmith@gregsmith.com http://www.gregsmith.com Baltimore, MD