From owner-freebsd-arm@FreeBSD.ORG Fri Mar 13 13:56:06 2015 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 6F7AD1BD for ; Fri, 13 Mar 2015 13:56:06 +0000 (UTC) Received: from gromit.dlib.vt.edu (gromit.dlib.vt.edu [128.173.126.120]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "gromit.dlib.vt.edu", Issuer "Chumby Certificate Authority" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 42D0FC57 for ; Fri, 13 Mar 2015 13:56:06 +0000 (UTC) Received: from pmather.lib.vt.edu (pmather.lib.vt.edu [128.173.126.193]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by gromit.dlib.vt.edu (Postfix) with ESMTPSA id DFBCD428; Fri, 13 Mar 2015 09:56:03 -0400 (EDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) Subject: Re: BeagleBone slow inbound net I/O From: Paul Mather In-Reply-To: <20150313131700.GA34648@cicely7.cicely.de> Date: Fri, 13 Mar 2015 09:56:02 -0400 Content-Transfer-Encoding: quoted-printable Message-Id: <2B027037-09EF-4552-9AE2-FC6E51090866@gromit.dlib.vt.edu> References: <20150311165115.32327c5a@ivory.wynn.com> <20150312133433.GB28385@cicely7.cicely.de> <20150312232641.4365263d@ivory.wynn.com> <20150313131700.GA34648@cicely7.cicely.de> To: ticso@cicely.de X-Mailer: Apple Mail (2.1878.6) Cc: "freebsd-arm@freebsd.org" , Bernd Walter X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 13 Mar 2015 13:56:06 -0000 On Mar 13, 2015, at 9:17 AM, Bernd Walter = wrote: > On Fri, Mar 13, 2015 at 08:34:59AM -0400, Paul Mather wrote: >> On Mar 12, 2015, at 11:26 PM, Brett Wynkoop = wrote: >>=20 >>> Greeting- >>>=20 >>> It is confirmed, the net I/O is much slower than reading from the SD >>> card. Here is another run of tar - pipe - tar, but this time the >>> source is the sd card and the destination is still the USB zfs. >>=20 >>=20 >> The Beaglebone uses a USB NIC so any I/O to/from SD card will be = competing for resources and potentially slowing things down. >=20 > No it does not. My mistake; I was confusing it with the Raspberry Pi. Network = performance hasn't been too great on the Raspberry Pi in my experience. = Maybe it has improved lately, though. Cheers, Paul.