From owner-freebsd-questions@FreeBSD.ORG Wed Mar 1 12:25:59 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 43D5716A420 for ; Wed, 1 Mar 2006 12:25:59 +0000 (GMT) (envelope-from u3mgh@utanet.at) Received: from elsa.arz.oeaw.ac.at (elsa.arz.oeaw.ac.at [193.170.80.10]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3DFC243D4C for ; Wed, 1 Mar 2006 12:25:57 +0000 (GMT) (envelope-from u3mgh@utanet.at) Received: from arzpc2.arz.oeaw.ac.at (arzpc2.arz.oeaw.ac.at [193.170.80.152]) by elsa.arz.oeaw.ac.at (8.12.3/8.12.3) with ESMTP id k21CPpUY010008; Wed, 1 Mar 2006 13:25:52 +0100 From: gh To: freebsd-questions@freebsd.org Date: Wed, 1 Mar 2006 13:25:50 +0100 User-Agent: KMail/1.8.3 References: <5ceb5d550602200404v66aa5f89y147658431957bf9a@mail.gmail.com> In-Reply-To: <5ceb5d550602200404v66aa5f89y147658431957bf9a@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200603011325.50909.u3mgh@utanet.at> X-Virus-Scanned: ClamAV 0.88/1308/Wed Mar 1 11:13:39 2006 on emix8.arz.oeaw.ac.at X-Virus-Status: Clean X-DCC-ARZ-Oeaw-Metrics: emix5.arz.oeaw.ac.at 1145; Body=3 Fuz1=3 Fuz2=3 Cc: Xn Nooby , "Daniel A." Subject: Re: WinSCP mega-slowness X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 01 Mar 2006 12:25:59 -0000 On Monday 20 February 2006 13:04, Daniel A. wrote: > Hi, > I have the same issue here. > When I use SFTP (WinSCP) to transfer from my Windows XP SP2 box to my > local server, I can only utilize about 1/10'th of the bandwith > (100mbit). > On the other hand, when I use FTP or SMB to transfer files, I can > utilize the maximum bandwith. > > On both boxes, the "symptoms" are the same: > - Lots of available CPU time > - No significant disk I/O > - Quite a lot of available RAM. but SFTP (WinSCP) is a crypted transfer (ssh tunnel) therefor it must be slower than any uncrypted transfer like FTP or samba .... > On 2/20/06, Xn Nooby wrote: > > For about a year I have noticed that whenever my Windows boxes talk to my > > Unix boxes, they communicate at about 1/10 normal speed. I copy lots (300GB) > > of large files back and forth between machines as I try different OS's, and > > I always see this. > > > > Specifically, if I copy from FreeBSD to FreeBSD, files transfer at 11 megs > > per second. Between FreeBSD and Linux, at about 8 megs per second. Between > > FreeBSD and Windows, about 1 megabyte per second. This is on identical > > hardware. I've told other people about this, and they usually say I must be > > doing something wrong, but recently a friend of mine upgraded a Windows box > > to SP2, and now they are getting this same slowness. When I copy from > > Windows to WIndows (XP or W2k), I get 11 megs per second. > > > > My machines are two P4's with gigabit NICs, and I'm using WinSCP and > > (somtimes) pscp.exe on WIndows to talk to sshd on FreeBSD. It's always a > > shock when I have to copy my data to WIndows, and it takes 30 hours instead > > of 3. > > > > Does anyone else ever see this slowness when copying files between FreeBSD > > and Windows? > > > > Is Windows maybe capping the transfer speed when it talks to Unix? > > _______________________________________________ > > freebsd-questions@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" > > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" > -- Never argue with an idiot, they'll drag you down to their level and beat you with experience!