[Udpcast] udpcast scalability?

George Coulouris coulouri at ncbi.nlm.nih.gov
Thu Feb 24 16:20:32 CET 2005


Ramon Bastiaans wrote:
[snip]
> Try adding the --nosync argument to your udp-receiver's, and see what 
> happens.

I'll give this a shot, and then try enabling FEC, and then try 
increasing the bitrate.

> When you don't pipe the data through an external program you should be 
> able to get (very) fast speeds (at least we did). If you _do_ use tar or 
> something to pipe the data through, we found that the maximum lies 
> around 100 Mbps, because of previously explained reasons.

We do use tar in all cases, since we're moving trees around. 100 is a 
lot better than the ~30 we're achieving now!

Thanks for your help!

Regards,
George Coulouris



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