Received: from localhost (maia-2.hub.org [200.46.204.187]) by postgresql.org (Postfix) with ESMTP id 749C09FB8E1 for ; Mon, 7 May 2007 18:55:33 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.187]) (amavisd-maia, port 10024) with ESMTP id 53890-01 for ; Mon, 7 May 2007 18:55:26 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.5 Received: from floppy.pyrenet.fr (floppy.pyrenet.fr [194.116.145.2]) by postgresql.org (Postfix) with ESMTP id C369D9FBA76 for ; Mon, 7 May 2007 18:55:29 -0300 (ADT) Received: by floppy.pyrenet.fr (Postfix, from userid 106) id AFC3C308F7; Mon, 7 May 2007 23:55:28 +0200 (MET DST) From: David Levy X-Newsgroups: pgsql.performance Subject: Best OS for Postgres 8.2 Date: 7 May 2007 14:55:27 -0700 Organization: http://groups.google.com Lines: 13 Message-ID: <1178574927.533849.90730@e51g2000hsg.googlegroups.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" X-Complaints-To: groups-abuse@google.com User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/5.0 (Windows; U; Windows NT 5.1; fr; rv:1.8.1.3) Gecko/20070309 Firefox/2.0.0.3,gzip(gfe),gzip(gfe) Complaints-To: groups-abuse@google.com Injection-Info: e51g2000hsg.googlegroups.com; posting-host=87.68.180.152; posting-account=rtHHvQ0AAAA1j5qL3vvSISY_RQPtnwBT To: pgsql-performance@postgresql.org X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0.001 tagged_above=0 required=5 tests=BAYES_50=0.001 X-Spam-Level: X-Archive-Number: 200705/72 X-Sequence-Number: 24462 Hi, I am about to order a new server for my Postgres cluster. I will probably get a Dual Xeon Quad Core instead of my current Dual Xeon. Which OS would you recommend to optimize Postgres behaviour (i/o access, multithreading, etc) ? I am hesitating between Fedora Core 6, CentOS and Debian. Can anyone help with this ? Regards