From owner-freebsd-hackers@FreeBSD.ORG Mon Oct 12 11:36:25 2009 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 2904B1065672 for ; Mon, 12 Oct 2009 11:36:25 +0000 (UTC) (envelope-from ticso@cicely7.cicely.de) Received: from raven.bwct.de (raven.bwct.de [85.159.14.73]) by mx1.freebsd.org (Postfix) with ESMTP id A79C08FC08 for ; Mon, 12 Oct 2009 11:36:24 +0000 (UTC) Received: from cicely5.cicely.de ([10.1.1.7]) by raven.bwct.de (8.13.4/8.13.4) with ESMTP id n9CBaMgg038885 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Mon, 12 Oct 2009 13:36:22 +0200 (CEST) (envelope-from ticso@cicely7.cicely.de) Received: from cicely7.cicely.de (cicely7.cicely.de [10.1.1.9]) by cicely5.cicely.de (8.14.2/8.14.2) with ESMTP id n9CBaJ9A075097 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 12 Oct 2009 13:36:19 +0200 (CEST) (envelope-from ticso@cicely7.cicely.de) Received: from cicely7.cicely.de (localhost [127.0.0.1]) by cicely7.cicely.de (8.14.2/8.14.2) with ESMTP id n9CBaJb5053857; Mon, 12 Oct 2009 13:36:19 +0200 (CEST) (envelope-from ticso@cicely7.cicely.de) Received: (from ticso@localhost) by cicely7.cicely.de (8.14.2/8.14.2/Submit) id n9CBaJrn053856; Mon, 12 Oct 2009 13:36:19 +0200 (CEST) (envelope-from ticso) Date: Mon, 12 Oct 2009 13:36:19 +0200 From: Bernd Walter To: Ivan Voras Message-ID: <20091012113619.GN48396@cicely7.cicely.de> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Operating-System: FreeBSD cicely7.cicely.de 7.0-STABLE i386 User-Agent: Mutt/1.5.11 X-Spam-Status: No, score=-4.4 required=5.0 tests=ALL_TRUSTED=-1.8, BAYES_00=-2.599 autolearn=ham version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on spamd.cicely.de Cc: freebsd-hackers@freebsd.org Subject: Re: "global" TCP_NODELAY? X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: ticso@cicely.de List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Oct 2009 11:36:25 -0000 On Mon, Oct 12, 2009 at 01:27:28PM +0200, Ivan Voras wrote: > I'm trying to work around some extreme brain damageness in PHP (yes, it > sucks) which doesn't have a way to set TCP_NODELAY on stream sockets so > I'm wondering what are my other options? Is there a way to set > TCP_NODELAY system-wide? net.inet.tcp.delayed_ack net.inet.tcp.delacktime Depending on your application it may be sufficient to just reduce the time. -- B.Walter http://www.bwct.de Modbus/TCP Ethernet I/O Baugruppen, ARM basierte FreeBSD Rechner uvm.