qBittorrent

speed issues

Asked by Patrik Plihal

Hi,

I know some awesome torrent files (5000 seeds and more) which load in µTorrent and win ...

1. at my max speed 500k down
2. within one ore two minutes they reach this speed

now as I try moving away from win, I am a little concerend.
I tried running this torrent in qB in serveral ways (alone, with others, with many others XD), and I conlude it runs best alone (what a surprise) but it only reaches about 100k
AFAIK router ports are forwarded, firewall (iptables) is configured via firestarter (I am new to Linux so i prefer GUIs) and I even tried turning off ipv6 support which didn't do anything obvious.

Any ideas where I can tune to saturate my connection ?

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Christophe Dumez (hydr0g3n) said : 		#1

Anyway, the connection status icon should turn to green if your router ports are forwarded. Oherwise it will display a firewall.

Concerning the speed problem, if your ports are forwarded (won't be needed in next release because of UPnP / NAT-PMP) and if your config is similar I don't see why the speed would be different. I do not set any hard limit in the code and most settings are configurable in program preferences. Maybe you should ask libtorrent author about it (Arvid Norberg or hydri on irc.freenode.net : #libtorrent)

I have an idea, you could try downloading the same torrent with client_test (libtorrent example client). If it does reach your 500k speed then there is a problem in qBittorrent. Otherwise, you should probably blame libtorrent.

Myself, I get really good download speed with qBittorrent.

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Patrik Plihal (birdspider) said : 		#2

HI,

well somehow I tried what you said but after compiling libtorrent from src, the simple_client (don't know what you mean with client_test) couldn't be compiled.
But apart of this I was wondering why i cant install libtorrent9 from the Synaptic(Ubuntu) AND qBittorrent. To this point I thought qB depended on libtorrent, obviously I don't understand something.
Status : I can either install qB + rblibtorrent1 OR libtorrent9

What is needed for which purpose ... I am quite confused.

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Patrik Plihal (birdspider) said : 		#3

Ah end I would like to add: Recently qBittorrent is using up one Core completely for about one minute, which happens about every 15 minutes.. any Ideas what its doing (since no abnormal HDD operation can be registerd)

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Christophe Dumez (hydr0g3n) said : 		#4

Concerning the libtorrent9 provided my Ubuntu. This is another library, which is using the same name as the one used by qBittorrent. I renamed the package rblibtorrent in Debian/Ubuntu because of this. The fact is that the library used by qBittorrent (the author is Arvid Norberg) was the first one to be named "libtorrent" but the other lib got included into Linux distributions first :(

You can't install both libraries at the same time because they conflict. They have the same .so file : /usr/lib/libtorrent.so

Concerning the client_test. I really meant "client_test" which is provided with libtorrent and should be compiled along the the sources. It is a console client written by Arvid Norberg and it is a good way to see if the problem comes from libtorrent or qBittorrent.

Take this libtorrent : http://www.libtorrent.org/libtorrent-0.12rc3.tar.gz

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