[mythtv-users] Limiting file transfer speed (to combat Epia system lockup)

[Robert Denier]

Well you could just download the wondershaper script and try that.  To 
be useful you'd need to limit your upload on both the sending and 
receiving machines.

http://lartc.org/wondershaper/

If this is what you want, I'd recommend reading up on iptables and 
creating a very simple one rather than what wonder shaper's doing.  You 
also shouldn't need the download policing section provided you set the 
upload on all machines involved in such a way that bandwidth to that 
machine is limited.  (Policing is somewhat wasteful as opposed to 
shaping that is only possible on uploads.  The reason being is the only 
way I know to force a downlink to slow down is to drop packets 
deliberately so TCP/IP notices this and slows down.)

Of course my real recomendation would be to fix the underlying problem, 
but that might require new hardware of some kind.

Micah Wedemeyer wrote:

>My Epia Myth box ALWAYS locks up whenever I do a file transfer (scp, ftp, etc.)
>across my local LAN at home.  However, it does fine when downloading files from
>the Internet.  I've read a few posts that say the Epias have trouble with DMA
>and such, and so I'm guessing that if I could reduce the transfer speed, then I
>might be able to keep it from locking up.
>
>So, does anyone know a way to limit transfer speeds?  The best would be options
>that I could pass to FTP or SCP.  For HW/SW, I've got a Netgear WG511 and I'm
>using Linuxant's driverloader, since Prism54 had problems with powering the
>PCMCIA socket.
>
>Any suggestions on how to limit network speeds would be great!
>
>Thanks,
>Micah
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