[vox-tech] bittorrent: tracker doesn't like me?

[Ken Bloom]

On Fri, Sep 24, 2004 at 10:32:08AM -0700, Jeff Newmiller wrote:
> On Fri, 24 Sep 2004, Peter Jay Salzman wrote:
> 
> > On Fri 24 Sep 04,  9:06 AM, Jeff Newmiller <jdnewmil dcn.davis.ca.us> said:
> > > On Fri, 24 Sep 2004, Ryan wrote:
> > > 
> > > > On Friday 24 September 2004 06:19 am, p-at-dirac.org (Peter Jay Salzman) 
> > > > |lugod| wrote:
> > > > > Imagine you see this:
> > > > >
> > > > >    status:   finishing in 199:29:45 (42.1%)
> > > > >    dl speed: 0.7 KB/s
> > > > >    ul speed: 3.6 KB/s
> > > > >    sharing:  3.688  (1243.2 MB up / 337.1 MB down)
> > > > >    seeds: 12 seen now, plus .999 distributed copies
> > > > >    peers:  4 seen now
> > > 
> > > Seen similar things many times, though not with quite the same
> > > imbalance.
> > > 
> > > > >
> > > > > I mean, what's a guy to think?   If I didn't know better,
> > > > > I'd say that the tracker has a personal grudge against me.
> > > > > :-/
> > > > >
> > > > > With 12 seeders, the dl speed should be going like
> > > > > gangbusters.  And it isn't a minor fluke, because look at
> > > > > the actual MB uploaded and downloaded.  The thing I'm
> > > > > downloading is 800MB.  I've already uploaded it!  I'm
> > > > > working on uploading it twice!
> > > 
> > > Beg your pardon? you may have uploaded 25% of it six times.
> >  
> > or 12.5% twelve times.  But you know what I mean.  I was just
> > moaning about the injustice of it all.  I only wish I *could've*
> > uploaded it twice.    :-)
> > 
> > > This does seem unusually out of whack... like you have built up
> > > connections with a large number of others who DID shut down
> > > before they had uploaded as much as they downloaded... and it
> > > takes time to get new sharing connections going after a dropout.
> >  
> > Really?  Is there a way to check on the history of the status of
> > my bittorrent connections?
> 
> Not that I am aware of... I have just spent more time than I should
> admit watching BT pick up and lose connections, and thinking about
> the fact that I (then on an ADSL line) was serving as one of someone
> elses typically four connections, which due to the asymmetry of my
> connection was very slow.  So they might be uploading fast, but they
> sure weren't getting the same speed from me as they were giving.
> 
> > > You might want to check that you are using the latest BT
> > > version...  bittornado.
> >  
> > Yeah -- I'm using bittornado 0.3.7-3 from Debian testing.  Even if
> > it's not the most recent version, it can't be too crusty...
> > 
> > This really blows.   :(
> 
> The lesson I learned from my time monitoring BT connections is that
> a watched pot never boils... energy spent worrying about it won't
> pay off unless you spend it studying the code, and maybe not then
> either.

Some sources:
http://bittorrent.com/bittorrentecon.pdf
http://bittorrent.com/protocol.html
http://www.acm.org/sigs/sigcomm/sigcomm2004/papers/p444-qiu1.pdf

BitTorrent has been my reasearch project this summer.

-- 
I usually have a GPG digital signature included as an attachment.
See http://www.gnupg.org/ for info about these digital signatures.

G'mar Chatima Tova
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