u3mgh at utanet.at
Wed Mar 1 04:25:59 PST 2006
On Monday 20 February 2006 13:04, Daniel A. wrote:
> 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
> 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 <xnooby at gmail.com> 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?
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Never argue with an idiot,
they'll drag you down to their level
and beat you with experience!
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