Received: from maia.hub.org (maia-2.hub.org [200.46.204.251]) by mail.postgresql.org (Postfix) with ESMTP id A654C1337B47 for ; Sat, 19 Mar 2011 06:00:49 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.251]) (amavisd-maia, port 10024) with ESMTP id 98224-08 for ; Sat, 19 Mar 2011 09:00:42 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.7.6 Received: from smtp6-g21.free.fr (smtp6-g21.free.fr [212.27.42.6]) by mail.postgresql.org (Postfix) with ESMTP id 59AE61337B82 for ; Sat, 19 Mar 2011 06:00:40 -0300 (ADT) Received: from [192.168.1.3] (unknown [82.233.212.24]) by smtp6-g21.free.fr (Postfix) with ESMTP id 7BAEB822E5; Sat, 19 Mar 2011 10:00:30 +0100 (CET) Message-ID: <4D8470AD.4040700@apra.asso.fr> Date: Sat, 19 Mar 2011 10:00:29 +0100 From: phb07 User-Agent: Thunderbird 2.0.0.24 (X11/20101027) MIME-Version: 1.0 To: pgsql-performance@postgresql.org CC: denis.grisot@bull.net Subject: Performance on AIX Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.9 tagged_above=-10 required=5 tests=BAYES_00=-1.9, RCVD_IN_DNSWL_NONE=-0.0001 X-Spam-Level: X-Archive-Number: 201103/231 X-Sequence-Number: 42910 Hi all, At Bull company, we want to answer a call for tender from a large company. And we are asked for information about PostgreSQL performance under AIX on Power 7 servers. By chance, has someone some data about this ? Has someone performed a benchmark using AIX quite recently ? Are there any reasons for having performance level significantly different between AIX and, let say, Linux, on a given platform ? Thanks by advance for any help. Philippe BEAUDOIN