Received: from localhost (unknown [200.46.204.183]) by mail.postgresql.org (Postfix) with ESMTP id 21C3A6330F5 for ; Tue, 17 Feb 2009 17:15:13 -0400 (AST) Received: from mail.postgresql.org ([200.46.204.86]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 44212-06-2 for ; Tue, 17 Feb 2009 17:15:07 -0400 (AST) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from mh3.mail.rice.edu (mh3.mail.rice.edu [128.42.199.10]) by mail.postgresql.org (Postfix) with ESMTP id D55EB63316B for ; Tue, 17 Feb 2009 17:14:59 -0400 (AST) Received: from mh3.mail.rice.edu (localhost.localdomain [127.0.0.1]) by mh3.mail.rice.edu (Postfix) with ESMTP id 3AC6432403D for ; Tue, 17 Feb 2009 15:14:57 -0600 (CST) X-Virus-Scanned: by amavis-2.6.0 at mh3.mail.rice.edu Received: from mh3.mail.rice.edu ([127.0.0.1]) by mh3.mail.rice.edu (mh3.mail.rice.edu [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id F7a79o2M8s3z for ; Tue, 17 Feb 2009 15:14:57 -0600 (CST) Received: from cooker.cnx.rice.edu (cooker.cnx.rice.edu [168.7.5.70]) by mh3.mail.rice.edu (Postfix) with ESMTP id 1C5FB324039 for ; Tue, 17 Feb 2009 15:14:57 -0600 (CST) Received: from reedstrm by cooker.cnx.rice.edu with local (Exim 3.36 #1 (Debian)) id 1LZXHL-0000th-00 for ; Tue, 17 Feb 2009 15:14:55 -0600 Date: Tue, 17 Feb 2009 15:14:55 -0600 From: "Ross J. Reedstrom" To: pgsql-performance Subject: Re: TCP network cost Message-ID: <20090217211454.GB23707@cooker> Mail-Followup-To: "Ross J. Reedstrom" , pgsql-performance References: <20090217070403.GB2486@cooker> <1ca1c1410902171013q478f2620n13fcd68cb8b3d911@mail.gmail.com> <20090217070403.GB2486@cooker> <3FAF940B-9B0B-4DBA-8728-6096022129DF@infogears.com> <20090217070403.GB2486@cooker> <3FAF940B-9B0B-4DBA-8728-6096022129DF@infogears.com> <20090217200416.GA23707@cooker> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.13 (2006-08-11) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200902/202 X-Sequence-Number: 32783 On Tue, Feb 17, 2009 at 01:59:55PM -0700, Rusty Conover wrote: > > On Feb 17, 2009, at 1:04 PM, Ross J. Reedstrom wrote: > > > What is the client software you're using? libpq? > python w/ psycopg (or psycopg2), which wraps libpq. Same results w/ either version. I think I'll try network sniffing to see if I can find where the delays are happening. Ross