X-Original-To: pgsql-interfaces-postgresql.org@localhost.postgresql.org Received: from localhost (unknown [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id 2A3ACD1B199 for ; Tue, 6 Jul 2004 22:44:20 -0300 (ADT) Received: from svr1.postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 90626-02 for ; Wed, 7 Jul 2004 01:44:21 +0000 (GMT) Received: from stark.xeocode.com (gsstark.mtl.istop.com [66.11.160.162]) by svr1.postgresql.org (Postfix) with ESMTP id 44A46D1B190 for ; Tue, 6 Jul 2004 22:44:16 -0300 (ADT) Received: from localhost ([127.0.0.1] helo=stark.xeocode.com) by stark.xeocode.com with smtp (Exim 3.36 #1 (Debian)) id 1Bi1Tu-00073f-00; Tue, 06 Jul 2004 21:44:18 -0400 To: L J Bayuk Cc: "Nigel J. Andrews" , pgsql-interfaces@postgresql.org Subject: Re: pgin.tcl pg_exec_prepared slow (was: Released...) References: <24110.1087945736@sss.pgh.pa.us> <20040706010731.GA15183@bxlbisnugqvi.mindspring.com> In-Reply-To: <20040706010731.GA15183@bxlbisnugqvi.mindspring.com> From: Greg Stark Organization: The Emacs Conspiracy; member since 1992 Date: 06 Jul 2004 21:44:17 -0400 Message-ID: <873c44sia6.fsf@stark.xeocode.com> Lines: 20 User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=1.1 tagged_above=0.0 required=5.0 tests=MAILTO_TO_SPAM_ADDR X-Spam-Level: * X-Archive-Number: 200407/14 X-Sequence-Number: 5020 L J Bayuk writes: > Other messages from the client are typically replied to and/or ACK'd in > under 1 ms, according to Ethereal. I don't know why this message takes so > much longer to ACK, nor why the client waits for the ACK. I'm sure it isn't > the backend; I don't think it is Tcl; it could be something in the TCP > stack. Ahah, found a good explanation from a pretty authoritative source: http://groups.google.com/groups?oi=djq&selm=an_477899304 Nothing like getting it straight from the horse's mouth. (Note for any non-native-english-speakers: that's an expression, I've never seen Mr Nagle's mouth personally) -- greg