Upload speed with Eddie

[brutaldeath 0]

Hello all, 

For a few days I noticed that I had an upload speed on QBitTorrent which was quite weak, never more than 1Mpbs.
I did some test with different solutions, with the Wireguard client, with different servers in differents contries and I almost always come to the same conclusion: as soon as the network detects torrent, the upload collapses. 
I made a speedtest with the Betelgeuse server from its connection via Eddie:



30 seconds later (litteraly 30 secondes later without config change ... ) 

 


It does that to me on all the servers, whether it's with Eddie or the Wireguard client...

Anyone have any solutions ? 

Thanks 
 

[Staff 10466]

1 hour ago, brutaldeath said:

as soon as the network detects torrent, the upload collapses. 

Hello!

Since when torrent software is shut down everything is fine, we can rule out a server side problem and you can focus first on possible bandwidth choking by the torrent client. In the recent past we have had a few cases where upload speed crumbled during a WireGuard based connection and when torrent was enabled for two different, main reasons:

1. the torrent software limit of concurrent half connections was too high causing problems to the stack
2. μTP was enabled and caused a global traffic shaping against outgoing UDP (since you connect via WireGuard, all the traffic is wrapped in UDP)

Worth a check: make sure that limits are reasonable and that μTP is disabled.

Kind regards