From owner-freebsd-performance@FreeBSD.ORG Tue Oct 20 02:39:54 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 874841065670 for ; Tue, 20 Oct 2009 02:39:54 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-yw0-f178.google.com (mail-yw0-f178.google.com [209.85.211.178]) by mx1.freebsd.org (Postfix) with ESMTP id 386648FC18 for ; Tue, 20 Oct 2009 02:39:54 +0000 (UTC) Received: by ywh8 with SMTP id 8so4525184ywh.3 for ; Mon, 19 Oct 2009 19:39:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:received:in-reply-to :references:date:x-google-sender-auth:message-id:subject:from:to:cc :content-type:content-transfer-encoding; bh=JhGEWTJtD9CsOPmG9Zh0zufE2Hmx53DXj4EAwPNfjf8=; b=Lb5NsvI0TIIjWP8MwRV37QKFBVqN7NBioiR0fISOv221aCtXkXBcRJtlIOnSHHkOTs ZeUfHiISacDzefk+A4U9FnIWZTHfrF1S0t9gTXMDJirYQjZD21aK5ebtK3rLSkH+8aG/ aXrXECFxjZPD3m79Hy7MpJUtPGpTYqEYqeXSE= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type :content-transfer-encoding; b=DsU/NXyE0toHTqiEZ0O597k1WenZJq4EWvDGxNZZXRefTqr3hHBqfj6LN7oOy+bpEE QDDX8EO+7aH4GCiG98v3QjfRkB317NJnEWdzGiLkU7TLMJ6qhNSenv4OL1G/vsV9pIbx KpC0drlLOxDo5jlrOyX4Fgwbn2VSRDfImWNio= MIME-Version: 1.0 Sender: adrian.chadd@gmail.com Received: by 10.101.147.1 with SMTP id z1mr3717259ann.140.1256006393526; Mon, 19 Oct 2009 19:39:53 -0700 (PDT) In-Reply-To: References: <78DB4AE8EF5F4A1EBD3992D7404B2725@china.huawei.com> Date: Tue, 20 Oct 2009 10:39:53 +0800 X-Google-Sender-Auth: f439659a3c80c593 Message-ID: From: Adrian Chadd To: =?ISO-8859-1?B?SXN0duFu?= Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: Hongtao Yin , freebsd-performance@freebsd.org, Brent Jones 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: Tue, 20 Oct 2009 02:39:54 -0000 2009/10/20 Istv=E1n : > therefore i like netpipe runs you can see the performance and the latency= as > well using the packet size as your "x" axis, i think it makes more sense > then just 1 number My point was to demonstrate that saturating gigabit ethernet is very doable with FreeBSD, and his limitation is more likely somewhere other than "TCP". I've told him privately to check CPU utilisation. I'll do the same on my boxes when I get some time; I'd like to know why I'm only seeing ~ 800mbit with large buffers.