Received: from maia.hub.org (maia-1.hub.org [200.46.208.211]) by mail.postgresql.org (Postfix) with ESMTP id 71527632D47 for ; Fri, 30 Apr 2010 19:11:17 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.208.211]) (amavisd-maia, port 10024) with ESMTP id 21090-10 for ; Fri, 30 Apr 2010 22:11:03 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by mail.postgresql.org (Postfix) with ESMTP id CCDB4632969 for ; Fri, 30 Apr 2010 19:11:08 -0300 (ADT) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.14.2/8.14.2) with ESMTP id o3UMB69O017626; Fri, 30 Apr 2010 18:11:06 -0400 (EDT) To: Gavin Kistner , pgsql-admin@postgresql.org Subject: Re: Fresh build on OS X not working (memory) In-reply-to: <16976.1272663334@sss.pgh.pa.us> References: <88181C2E-01CD-417C-8266-D5C9AF570C27@mac.com> <15253.1272606140@sss.pgh.pa.us> <25928.1272643065@sss.pgh.pa.us> <16976.1272663334@sss.pgh.pa.us> Comments: In-reply-to Tom Lane message dated "Fri, 30 Apr 2010 17:35:34 -0400" Date: Fri, 30 Apr 2010 18:11:06 -0400 Message-ID: <17625.1272665466@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.91 tagged_above=-10 required=5 tests=BAYES_00=-1.9, T_RP_MATCHES_RCVD=-0.01 X-Spam-Level: X-Archive-Number: 201004/375 X-Sequence-Number: 34469 I wrote: > ... OTOH I'd have expected you to have to reboot multiple > times while experimenting with the shm parameters, so I'm not entirely > convinced I've hit on the right explanation. Oh ... were you using sysctl -w rather than rebooting to adjust the shmmem parameters? I realized after experimenting that 10.6 lets you do that. It didn't use to be possible to change these parameters in OS X without rebooting --- I wonder when they fixed that. regards, tom lane