X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (av.hub.org [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id EA9F1D6887 for ; Wed, 2 Nov 2005 11:11:30 -0400 (AST) 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 85676-03 for ; Wed, 2 Nov 2005 15:11:27 +0000 (GMT) Received: from sss.pgh.pa.us (sss.pgh.pa.us [66.207.139.130]) by svr1.postgresql.org (Postfix) with ESMTP id 8B512D6899 for ; Wed, 2 Nov 2005 11:11:29 -0400 (AST) Received: from sss2.sss.pgh.pa.us (tgl@localhost [127.0.0.1]) by sss.pgh.pa.us (8.13.1/8.13.1) with ESMTP id jA2FBYtN005647; Wed, 2 Nov 2005 10:11:34 -0500 (EST) To: "Magnus Hagander" Cc: "Merlin Moncure" , "Marc Cousin" , pgsql-performance@postgresql.org, "Qingqing Zhou" Subject: Re: insert performance for win32 In-reply-to: <6BCB9D8A16AC4241919521715F4D8BCE6C7B4A@algol.sollentuna.se> References: <6BCB9D8A16AC4241919521715F4D8BCE6C7B4A@algol.sollentuna.se> Comments: In-reply-to "Magnus Hagander" message dated "Wed, 02 Nov 2005 14:54:14 +0100" Date: Wed, 02 Nov 2005 10:11:34 -0500 Message-ID: <5646.1130944294@sss.pgh.pa.us> From: Tom Lane X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, score=0.006 required=5 tests=[AWL=0.006] X-Spam-Score: 0.006 X-Spam-Level: X-Archive-Number: 200511/31 X-Sequence-Number: 15288 "Magnus Hagander" writes: >> Marc's observation that by switching to a linux client drops >> time down drastically is really intersing! > Could this be a case of the network being slow, I'm wondering about nonstandard junk lurking in the TCP stack of the Windows client machine. Also, I seem to recall something about a "QOS patch" that people are supposed to apply, or not apply as the case may be, to get Windows' TCP stack to behave reasonably ... ring a bell? regards, tom lane