donlexington Posted March 21, 2010 Report Share Posted March 21, 2010 hi all.first of all sorry my bad English.I search solution to solve the problem with speed limit. I don't understand why utorrent can not overcome a limit in 200 MBit for upload. on FTP I can easily load LAN connection to full gigabit, but utorrent doesn't work with same success Link to comment Share on other sites More sharing options...
DreadWingKnight Posted March 21, 2010 Report Share Posted March 21, 2010 Because FTP and LAN are sequential and Torrent transfers aren't. Link to comment Share on other sites More sharing options...
Switeck Posted March 21, 2010 Report Share Posted March 21, 2010 Have you tried using a ramdrive or a RAID of very fast hdds?Regular hard drives seek times with BitTorrent's random nature are not able to sustain 200 mbit/sec. Link to comment Share on other sites More sharing options...
donlexington Posted March 21, 2010 Author Report Share Posted March 21, 2010 my pc has 8 hdd with sata2. even if I start 8 uploads which use separate drive the speed limit still 200 MBit =( Link to comment Share on other sites More sharing options...
Switeck Posted March 21, 2010 Report Share Posted March 21, 2010 1st link in my signature then, you'll probably need to disable some things... Link to comment Share on other sites More sharing options...
donlexington Posted March 30, 2010 Author Report Share Posted March 30, 2010 I don't understand, which of "some things" need to disable. I try to change all of recommended settings in various combinations and still have limit.the guided help topic (http://forum.utorrent.com/viewtopic.php?id=58404) is less useful for me unlike internet users. in my case if allow 20 global connections(gc) and they are using for each separate upload than I have 20 users with download speed ~10-15 MBit\s per user (on 1G link). and if use 40 (gc) than I have 40 users with ~5-8 MBit\s each. all users have channel 100 MBit. Link to comment Share on other sites More sharing options...
Switeck Posted March 30, 2010 Report Share Posted March 30, 2010 Disable UPnP, NAT-PMP, Resolve IPs, possibly also disable DHT, Local Peer Discovery, uTP, and even Teredo/IPv6.The 100 mbit/sec upload settings assume a very fast line seeding/downloading with lots of (much) slower ADSL and Cable lines.You can probably get away with setting upload slots as high as max connections per torrent, since if your line "bothers" to connect to someone...it might as well upload to them also. Link to comment Share on other sites More sharing options...
donlexington Posted March 31, 2010 Author Report Share Posted March 31, 2010 DHT, Local Peer Discovery, Teredo/IPv6, Resolve IPs - never used (I use uTorrent in an intranet, without any routers or modems, just fast ethernet. excuse me, if I misled you). uTP (bt.transp_disposition = 5)UPnP, NAT-PMP switched off. now i will watch changes Link to comment Share on other sites More sharing options...
donlexington Posted April 3, 2010 Author Report Share Posted April 3, 2010 "UPnP, NAT-PMP switched off" it doesn't help Link to comment Share on other sites More sharing options...
Switeck Posted April 4, 2010 Report Share Posted April 4, 2010 "in my case if allow 20 global connections(gc) and they are using for each separate upload than I have 20 users with download speed ~10-15 MBit\s per user (on 1G link). and if use 40 (gc) than I have 40 users with ~5-8 MBit\s each. all users have channel 100 MBit."Speeds in uTorrent are reported in KiloBYTES/second and MegaBYTES/second.Where were you reading "10-15 MBit\s" or "5-8 MBit\s"? Link to comment Share on other sites More sharing options...
donlexington Posted April 4, 2010 Author Report Share Posted April 4, 2010 nowhere.i calculated it.~10-15 MBit/s = (10..15)/8 = 1,25..1,875 Mbytes/s~5-8 MBit/s = (5..8)/8 = 0,625..1 Mbytes/s Link to comment Share on other sites More sharing options...
Switeck Posted April 4, 2010 Report Share Posted April 4, 2010 If it says 1 MegaBYTE/second, it's probably using 8.5-12 megabits/second bandwidth.Especially with uTorrent v2.0, overheads with uTP can be over 25%:http://forum.utorrent.com/viewtopic.php?id=72106 Link to comment Share on other sites More sharing options...
donlexington Posted April 4, 2010 Author Report Share Posted April 4, 2010 even if so, but higher 200 MBit/s does not rise.however my client forcedly uses TCP connection only. it is guaranteed by setting bt.transp_disposition = 5bt.transp_disposition: This option controls µTorrent's level of bias towards using TCP or uTP for transporting data (assuming the peer at the other end of the connection supports both transport protocols). The following is a list of the accepted values: 1 allows µTorrent to attempt outgoing TCP connections 2 allows µTorrent to attempt outgoing uTP connections 4 allows µTorrent to accept incoming TCP connections 8 allows µTorrent to accept incoming uTP connections 16 tells µTorrent to use the new uTP header. This is an improved communication header, but is not backwards compatible with clients that do not understand it. This option is interpreted as a bitfield, so values can be added together to obtain a combination of behaviors. Setting this value to 255 guarantees that all behaviors are enabled. Link to comment Share on other sites More sharing options...
Switeck Posted April 5, 2010 Report Share Posted April 5, 2010 "even if so, but higher 200 MBit/s does not rise."I don't understand you...Others *HAVE* gotten uTorrent to work even with 1 gbit/sec symmetric lines at > 20 MegaBYTES/second speeds.I don't know if you've disabled Teredo/IPv6.Did you try changing the Disk Cache settings? Link to comment Share on other sites More sharing options...
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