Diagnosing a slow network

[jjohnson at sunrise-linux.com (miah)]

scp is only really slow when you have compression turned on, or you're
dealing with ancient hardware.

-miah

On Mon, Aug 09, 2004 at 07:27:19PM -0400, Jules Gilbert wrote:
> First, are you sure you don't have the network running at 10M, and not 100.
> 
> Second, scp IS SLOW!  I don't know how fast your machines are, but this
> could be the problem.  Send one msg in the clear (use FTP.)  Is it much
> faster?  If not, you've eliminated encryption/decryption problems as the
> culprit.
> 
> If I had to guess, with slow hardware, I would say that your scp task's are
> slowing things down.  What do others have to say?
> 
> 
> --jg
> 
> 
> 
> ----- Original Message ----- 
> From: <heidi at midnighthax.com>
> To: <discuss at blu.org>
> Sent: Monday, August 09, 2004 6:50 PM
> Subject: Diagnosing a slow network
> 
> 
> > I'm trying to work out why copying a file across my network is so slow.
> > There are four Linux boxes connected to a 100Mb switch, and copying a
> 300Mb
> > from one system to another runs at 500K/second. The systems aren't busy,
> so
> > it could be a network card problem, a hard disk being slow, or - what? I'm
> > using scp to do the copy, so there will be some overhead with encryption,
> > but 500K/sec is way too slow. Any ideas on how to troubleshoot this?
> >
> > H
> > _______________________________________________
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> > Discuss at blu.org
> > http://www.blu.org/mailman/listinfo/discuss
> >
> 
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