Subject: Re: Problem with Netatalk and Large Files
To: Dave McGuire <mcguire@neurotica.com>
From: Tobias Schuepp <netbsd@schuepp.net>
List: port-sparc64
Date: 12/08/2003 13:16:08
Dave McGuire wrote:
> On Dec 5, 2003, at 9:05 AM, Tobias Schuepp wrote:
> >But there is one thing that makes me sleep not so well. I installed
> >pkgsrc/netatalk and it starts fine. It wont register in the zone, but 
> >it
> >works by APF over TCP. If i copy large files (>500 MB) from my MacOS
> >System to the Appletalk volume, the transfer starts at a very good rate
> >and then i slows down to 256KB a second and finally stops.
> >
> >Is it a know problem? Did not find something useful. Any Hints?
> 
>   A friend of mine contacted me in a panic two days ago about exactly 
> this problem, but on a Linux machine.  I'm not much of a Linux guy, but 
> I've been trying to help him debug it anyway.  He said his transfers 
> stop at around 750MB, which coincidentally is near the amount of memory 
> in the machine I believe he said the machine has 768MB.
> 
>   How much memory do you have in your machine?  My half-baked theory 
> based on spotty information is that data is being buffered in memory 
> but not written to disk until the network transfer is complete.  What 
> do you think?

That might be a part of the problem. The Server has 256 MB but the
client are working with 512 an 768 MB RAM. And that is nearly the limit of
filesize i can transfer.

My workaround is to use SMB for filetransfer, but it would be nicer to
use afp.

tobias