Received: from localhost (uranus.hub.org [200.46.204.60]) by postgresql.org (Postfix) with ESMTP id 5F8019FB1F8 for ; Mon, 6 Nov 2006 17:41:42 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.60]) (amavisd-new, port 10024) with ESMTP id 54303-01 for ; Mon, 6 Nov 2006 17:41:40 -0400 (AST) X-Greylist: delayed 00:08:19.255647 by SQLgrey- Received: from smtp4.libero.it (smtp4.libero.it [193.70.192.54]) by postgresql.org (Postfix) with ESMTP id 4AB819FA497 for ; Mon, 6 Nov 2006 17:41:40 -0400 (AST) Received: from localhost (172.16.1.17) by smtp4.libero.it (7.0.027-DD01) id 453F690A01252A53 for pgsql-performance@postgresql.org; Mon, 6 Nov 2006 22:33:17 +0100 Received: from smtp3.libero.it ([172.16.1.53]) by localhost (asav12.libero.it [193.70.192.95]) (amavisd-new, port 10024) with ESMTP id 11365-03 for ; Mon, 6 Nov 2006 22:33:17 +0100 (CET) Received: from [151.25.99.138] (ppp-138-99.25-151.libero.it [151.25.99.138]) by smtp3.libero.it (Postfix) with ESMTP id 697CBABE16 for ; Mon, 6 Nov 2006 22:33:15 +0100 (MET) Message-ID: <454FAA1C.4070708@streppone.it> Date: Mon, 06 Nov 2006 22:33:16 +0100 From: Cosimo Streppone User-Agent: Mozilla Thunderbird 1.0.2 (X11/20050317) X-Accept-Language: it, it-it, en-us, en MIME-Version: 1.0 To: Postgresql Performance list Subject: Re: Context switch storm References: <454B3B75.6@archonet.com> <454B3EDC.3090502@streppone.it> <454B4438.9080105@archonet.com> <1162561983.16439.3.camel@andi-lap> In-Reply-To: <1162561983.16439.3.camel@andi-lap> Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit X-Scanned: with antispam and antivirus automated system at libero.it X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0.001 tagged_above=0 required=5 tests=BAYES_50 X-Spam-Level: X-Archive-Number: 200611/76 X-Sequence-Number: 21846 Andreas Kostyrka wrote: > The solution for us has been twofold: > > upgrade to the newest PG version available at the time while we waited > for our new Opteron-based DB hardware to arrive. Do you remember the exact Pg version? -- Cosimo