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Speed Bad on Torrents With More Than 50 Peers


firepong

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Usually, I wouldn't care much about this as I don't download much with torrent unless I really need something from it. But lately, I've been noticing on bigger torrents that I download, it will not even get close to maxing out my connection. My connection is 1mbit/128kbit (yes, I know, the upload sucks :S). But anyways, to the point. When I start a torrent with more than 50 peers, my connection is bottle-necked and even browsing slows down to a crawl. Speed will go to about 50kb/s then drop to nothing and keep doing this over and over. But when I start a torrent with say a max of 50 peers (wouldn't say this is 100% correct, usually the small ones I download, it has about 30, seeders/leechers alike), I can always max out at around 120kb/s - little more, little less - depending on time of day.

My settings are as follows:

Max Global: 200

Max Connected Peers: 50

Max Upload Slots: 5

And I have my upload speed at unlimited, with each of the torrents I have going set to a limit of 5kb/s each. But again, when I'm downloading, I usually have them paused so it wont slow down the download.

And also, sadely, my connection is through a WISP in my area as I can't get real cable out where I live. I'm thinking that has the most part to do with my speeds. The wireless radio used to connect just isn't good enough to handle that much peers at once trying to connect.

Also, I found out from the WISP providers that they are using a CISCO Network Router and going through Ritter Communications for internet. By what I found out from a friend with Ritter, he can download torrents no problem at all.

So, is this problem fixable or is it most likely to do with the radio my Provider uses?

P.S. When trying to download Open Office or Slackware, my internet also bottlenecks. It will go up to about 50kb/s for a little bit, then all of a sudden drop down to 5kb/s. It does this very sporadically and will never even get close to my max download speed.

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Wireless is not as friendly to lots of connections at once as wired.

And yours is very much a shared resource...so probably best to lower it further.

So instead of 200 global and 50 per torrent connection max...lower them to 35 global and 25 per torrent connection max.

Your Max Upload Slots: 5 is too high if you're only giving each torrent 5 KB/sec each. It should only be 1 or 2 upload slots if you're giving out 5 KB/sec upload per torrent. uTorrent doesn't work well to have multiple torrents with upload max set on each.

You definitely need a global upload speed limit set -- with it being no higher than about 13 KB/sec, possibly as low as 9 KB/sec.

You may need to turn off the uTorrent extra features that take extra bandwidth but may not help your download+upload speeds any. UPnP, NAT-PMP, DHT, LPD, Resolve IPs, and even bt.connect_speed (lower 20 to 4).

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