aylem Posted March 18, 2015 Report Share Posted March 18, 2015 I was using some version 3.2 before, and switched to the latest 3.4. Upload bandwidth allocation behaves now oddly. The first problem is with Bandwidth Allocation priorities. They are rarely honored. In many cases a "low" priority torrent will choke "high" priority ones. As soon as I manually stop the low priority ones, the high priority ones will start uploading or climb in speed. In other cases it's not complete choking, but higher priority torrents don't get absolute precedence over low ones, nor even a relative boost. Another problem is with setting an upload limit, per torrent or globally. In many cases it chokes uploading. For example, I had a single torrent uploading at max speed. I set a global upload limit, and shortly after, uploading stopped completely. I noticed it a few minutes later, removed the global upload limit, and immediately that same torrent climbed from 0 to the maximum line speed. I also sometimes see similar behavior on a per-torrent basis. Setting an upload limit on a torrent will severely affect its speed. Sometimes it will recover and reach a steady speed, but other times the speed will get irregular, or will drop to 0. Are these known problems? Is there a recommended older version to use? Link to comment Share on other sites More sharing options...
DreadWingKnight Posted March 18, 2015 Report Share Posted March 18, 2015 Are you applying a rate limit to uTP? Link to comment Share on other sites More sharing options...
aylem Posted March 19, 2015 Author Report Share Posted March 19, 2015 Yes. Link to comment Share on other sites More sharing options...
DreadWingKnight Posted March 19, 2015 Report Share Posted March 19, 2015 With the current code, that can cause many problems when applying limits, especially if your limits are extremely low. Not to mention the fact that an increasing number of peers are switching to uTP for their traffic and unless you're limiting it for usage quota reasons, there's not really a good reason to apply the rate limit to uTP. Link to comment Share on other sites More sharing options...
aylem Posted March 20, 2015 Author Report Share Posted March 20, 2015 The limits aren't low, it can happen also with 150K. BTW, I limit also the overhead. Unlimited with uTP still affects general performance. So, is the solution just to disable uTP? Link to comment Share on other sites More sharing options...
DreadWingKnight Posted March 20, 2015 Report Share Posted March 20, 2015 LIMITED with uTP not being limited shouldn't affect general performance. Disabling uTP will cut you off from a LOT of peers. Link to comment Share on other sites More sharing options...
aylem Posted March 21, 2015 Author Report Share Posted March 21, 2015 Why would disabling uTP reduce the number of potential peers? Link to comment Share on other sites More sharing options...
DreadWingKnight Posted March 21, 2015 Report Share Posted March 21, 2015 Because some peers can only establish connections via uTP. Link to comment Share on other sites More sharing options...
aylem Posted March 22, 2015 Author Report Share Posted March 22, 2015 I thought uTP only regulates speed. Does it also help NAT clients? Link to comment Share on other sites More sharing options...
DreadWingKnight Posted March 22, 2015 Report Share Posted March 22, 2015 It does a little bit. Link to comment Share on other sites More sharing options...
aylem Posted March 23, 2015 Author Report Share Posted March 23, 2015 How does it achieve that? Link to comment Share on other sites More sharing options...
DreadWingKnight Posted March 23, 2015 Report Share Posted March 23, 2015 UDP hole punching. Link to comment Share on other sites More sharing options...
aylem Posted March 24, 2015 Author Report Share Posted March 24, 2015 No plans to add something similar to the TCP-based protocol? Link to comment Share on other sites More sharing options...
DreadWingKnight Posted March 24, 2015 Report Share Posted March 24, 2015 the mechanisms required to allow hole punching on TCP are a lot harder to implement and have requirements beyond the capabilities of a measurable percentage of the user base Link to comment Share on other sites More sharing options...
aylem Posted March 25, 2015 Author Report Share Posted March 25, 2015 OK. Thanks! Link to comment Share on other sites More sharing options...
aylem Posted March 28, 2015 Author Report Share Posted March 28, 2015 Update: The killing off of uploading when a per-torrent limit is set happens also when uTP is disabled. Link to comment Share on other sites More sharing options...
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