Re: [Bug-wget] retry if rate drops below some threshold

[Micah Cowan]

larytet wrote:
> It looks that my ISP started to traffic shape the connection. It works like 
> this:
>  - Using --limit-rate I specify maximum upload speed 75K (from 95K 
> available). This is the only application accessing Internet. 
>  - For approximately 10 minutes the wget works just fine and pulls at 75K/s. 
> After that the rate drops to 30K/s. The drop is fast, looks like lights went 
> off. I did not check in the sniffer what is going on, but I suspect that I 
> will see dropped packets and TCP retransmissions.
>  - If I restart wget for the same file it returns to download at 70K/s for 10 
> minutes more. 
> 
> This is not an issue with the server. I tried very fast servers including 
> pulling Eclipse from Amazon cloud, rapidshare etc. The servers which usually 
> saturated my downstream. 
> 
> I am looking for two possible approaches to the problem
> - Is there a patch which allows to force retry if the rate drops below some 
> preset limit ? Any tips how such patch could be implemented (i probably could 
> the work) ?
> - Replace ISP (so far I can not make them to fix the issue)

As far as I know, there's no current patch for that. Someone suggested
addressing this in the past, but no one's working on it. I _may_ be
misremembering, and the person who suggested fixing it may have supplied
a patch. You might search the mail archives.

-- 
Micah J. Cowan
http://micah.cowan.name/