From owner-freebsd-performance@FreeBSD.ORG Mon Oct 19 13:41:05 2009 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D35E0106566B for ; Mon, 19 Oct 2009 13:41:05 +0000 (UTC) (envelope-from prvs=15431f176b=killing@multiplay.co.uk) Received: from mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) by mx1.freebsd.org (Postfix) with ESMTP id 400B18FC0C for ; Mon, 19 Oct 2009 13:41:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=simple; d=multiplay.co.uk; s=Multiplay; t=1255959662; x=1256564462; q=dns/txt; h=Received: Message-ID:From:To:References:Subject:Date:MIME-Version: Content-Type:Content-Transfer-Encoding; bh=yKNQzAoktXAL36TYXIqu9 WNnxi49Z/vlxNS3bL/CTuM=; b=MroyX3eote8uVsC4SYLXiZnZM+GNPuQJIFXe9 u/2ZUpLFzB2R0Ugz7c/PxxIJCnRpSMb6RWy+6p3y/vae0hR+pAcHKrPrypl2DhXO F4TjaA0q0pK6xcCzLdzroduI7ttz219fbhDlKhmraIsOtC44W3ovnNW0wnVzKwXA XVw9lE= X-MDAV-Processed: mail1.multiplay.co.uk, Mon, 19 Oct 2009 14:41:02 +0100 Received: from r2d2 by mail1.multiplay.co.uk (MDaemon PRO v10.0.4) with ESMTP id md50008392450.msg; Mon, 19 Oct 2009 14:41:02 +0100 X-Spam-Processed: mail1.multiplay.co.uk, Mon, 19 Oct 2009 14:41:02 +0100 (not processed: message from trusted or authenticated source) X-Authenticated-Sender: Killing@multiplay.co.uk X-MDRemoteIP: 213.123.247.160 X-Return-Path: prvs=15431f176b=killing@multiplay.co.uk X-Envelope-From: killing@multiplay.co.uk Message-ID: From: "Steven Hartland" To: , "Ivan Voras" References: <78DB4AE8EF5F4A1EBD3992D7404B2725@china.huawei.com> Date: Mon, 19 Oct 2009 14:40:26 +0100 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="utf-8"; reply-type=response Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5843 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5579 Cc: Subject: Re: Comparison of FreeBSD/Linux TCP Throughput performance X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Oct 2009 13:41:05 -0000 Its max not default, so relies on your configuring each app you want to have high performance to take advantage of it. In our case that means our large transfers easily saturate Gig. Regards Steve ----- Original Message ----- From: "Ivan Voras" To: Sent: Monday, October 19, 2009 12:44 PM Subject: Re: Comparison of FreeBSD/Linux TCP Throughput performance > Steven Hartland wrote: >> Try with something like this, which is the standard set we use on our >> file serving machines. >> >> net.inet.tcp.inflight.enable=0 >> net.inet.tcp.sendspace=65536 >> kern.ipc.maxsockbuf=16777216 >> net.inet.tcp.sendbuf_max=16777216 >> net.inet.tcp.recvbuf_max=16777216 > > 16 MB network buffers? What kind of % impact do you see from them? ================================================ This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337 or return the E.mail to postmaster@multiplay.co.uk.