[bittorrent] Load questions

Olaf van der Spek olafvdspek at gmail.com
Sat Dec 2 05:12:28 EST 2006

It depends a lot on the tracker itself.
PHP can in general handle up to 40k peers, XBT Tracker (C++) can
handle up to at least 800k peers. RAM is no issue for XBTT and the
first bottleneck most operators encounter is network bandwidth.

On 12/2/06, Joseph Ashwood <ashwood at msn.com> wrote:
> I've only got some very old information on this, but I know there are many
> newer advances (my information is pre-DHT). What kind of server load am I
> looking at for BT? Assuming good clients (since I'll have significant
> control over the clients as well), and the availability of DHT. I'm
> particularly curious about the scaling as 1M+ users come into the system.
> Due to the data being distributed there would be an exponential curve for
> the popularity of torrents, that is to say that >80% of the peers will be
> connected to <20% of the torrents, probably more like 90:10, or even 95:5.
> For this I will obviously be throwing the compute power necessary behind it,
> as well as the RAM and storage, but for estimation purposes, does anyone
> have any approximations on these?
> I'm expecting imperfect answers but I am hoping to get something I can
> base some ballpark estimates on.
>                         Joe
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