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How to Optimize Torrent Client for Faster Torrent Download Speeds



If you are new to the torrent world then you should first check this post How to download movies, software, tv shows and many more using Torrents and then come continue reading this post.

I going to show a tweak to increase the torrent download speed.
I think most of them have come across some tweaks to make Internet Connection Faster, But they don’t work or has very little difference in speeds.

In my previous post How to download movies, software, tv shows and many more using Torrents, I mentioned to check seeders count and leachers count before you start the download. Even though the torrent have more seeders, the download speed was not crossing 50KBps.

But one day, I came across a setting in advanced section in BitComet(you can find this setting in almost all clients).
The setting is limiting the maximum peer connection.

SP2 and TCP connections:

There is a setting included by Microsoft in XP sp2 as an enhancement called TCP connections. This enhancement limits the number of simultaneous incomplete outbound TCP connection attempts (’half-open connections’) per second to 10. This was an attempt to reduce the viruses spreading.

So how does it relate to torrents downloading? The torrent client tries to establish many connections with other peers connected to the tracker within a very short period of time. When the half-open connection limit is reached, new connections will be queued until some of the current connections are established. So we have to limit the number of peers that we are connecting irrespective of the number of peers that the torrent file may connect to.

Now we have two options before us. Either:

- Limit the Number of peer connection OR
- Increase the simultaneous incomplete outbound TCP connection(’half-open connections’) attempts

I made a change to latter one.

Increase the simultaneous incomplete outbound TCP connection(’half-open connections’):

Check options/preferences in your torrent client and check for the setting.
I am providing the screen shot for BitComet: Options > Preferences > Advanced > Connection > “TCP/IP Limit”

For me 200 (max) “New Half-Open Limit” is working great. But you have to play around with it and check which value works best for you. Below is the screenshot.
Bit Comet New Half-Open Limit

The above tweak worked for me and has drastically increased the torrent download speed.

Hope this helps you. Try it out and do comment if you have any other tweak to increase the speed

How to find Private BitTorrent Sites Open for Signups

Private Torrent Trackers




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20 Responses to “How to Optimize Torrent Client for Faster Torrent Download Speeds”

  1. Sanjeev says:

    Nice find Nihar….thanks for the info.
    I like your site a lot.Its very informative and useful. Keep up the good work

  2. Nihar says:

    keep reading and commenting
    Thanks sanjeev :)

  3. Abhishek says:

    Great work buddy

  4. jhalak says:

    hay buddy i waana to know about the u torrent how can i download fast movies and software frm this site.

  5. abir says:

    i read from websites about extreme bittorrent book that speed up the torrent client download. If any body has this book plz share with us?

    have you ever use http port( port 80)?

  6. [...] P2P Posted: July 30, 2008      Few months back, i published a post Optimize Torrent Client for Faster Torrent Download Speeds. The post explained what is Half Open Connection limit in windows and how to increase the torrent [...]

  7. Fahad says:

    Nice helpful tips!

    Downloading through bittorent has become huge nowadays.

    Fahads last blog post..Top 10 Best Torrent Sites

  8. MAX says:

    what if i can’t modify the tcp connctions

  9. Nihar says:

    @Abhishek, Thanks.

    @Fahad, thanks,

    @MAX, Then you won’t get very great speeds.

  10. jon says:

    had a torrent running at 50kb/s… for some reason when i opened AVG it went up to 120.. wtf? any ideas?

  11. Simu says:

    how does it work on utorrent
    pls tel
    i cant do it
    there is no connection in the Advanced tab for utorrent

  12. jody says:

    I use Utorrent. Does anyone know where I can do this with them? I looked in Preferences, all of them, and found nothing that said “New Half-Open Limit.”

    Any help is appreciated.

    Thanks,
    Jody

  13. Nraj says:

    I have already done what u have specified but i am unable to get download speeds upto 50 kBps.My Internet connection is 512 kBps.Earlier i was getting speed upto 50 onan average but i am not getting it now.What must be the problem?Anyone please help me…

  14. Binu says:

    Hi downloaded the file and install…cool, once again I have got back the speed. Before I couldnt use internet when downloading torrent files. thankyou

  15. Binu says:

    nraj, are you trying to download bittorrent files? if so try to use a better client for download, and do port forwarding if you have a modem etc..download also deepends on your peer speed, from whom you are downloading.

  16. Binu says:

    http://support.kaspersky.com/faq/?qid=208279781 Jody, kaspersky have a site to limit connections in u torrent…see the site above, eventhough it is done to suit with kaspersky you can see the place where the half open connections are

  17. Nisha says:

    HELLO I AM NISHA FROM MALAYSIA
    CAN U PLEASE HELP ME WITH THIS TORRENTS AND ALL AM ALL BLURR
    IF U CAN PLEASE REPLY ME AT MY BROTHERS EMAIL PLEASE I BEG U.

    AND I WUD LIKE AN INVITATION TO DEMONOID AND DESI TORRENT
    PLEASE

    THANKS ALOT =]

  18. RSQ says:

    Hi
    check this out http://www.torrentsrsq.com, this one has great search and lots of links, being updated every hour. I used it lot of times. Have fun folks.

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