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How exactly is availability of a torrent calculated in uTorrent
uTorrent has an availability indicator that shows something like how many of the peers you are connected to have how much of the torrent. If it is less than 1, all the peers you are connected to combined do not have the entire torrent. However for a ‘healthy’ torrent this number is often larger than 1, showing that even if some seeds disconnect the data stream will not be totally disrupted.
How exactly is the availability index calculated?
Encombe1, 8831 gold badge14 silver badges25 bronze badges
asked Mar 20 ’17 at 10:33
When a BitTorrent client calculates the availability of a torrent,
it first, for every piece, sums up how many different peers that piece can be downloaded from.
Then it finds the lowest sum. That sum is the integer part of the Availability.
After that it checks how many pieces that has that lowest sum.
The fractional part of the Availability is then calculated as:
(Nr_of_Pieces_in_torrent – Nr_of_Pieces_with_lowest_sum) / Nr_of_Pieces_in_torrent
A Seed is a peer that has all the pieces in the torrent. Even if there is no seed in the swarm,
the availability can exceed 1 as long as every individual piece in the torrent is available from at least one peer.
(Answer from a similar question on Superuser. )
answered Mar 20 ’17 at 10:59
EncombeEncombe1, 8831 gold badge14 silver badges25 bronze badges
If it is below 1. 000, it doesn’t mean it can’t be downloaded. I’ve been stuck at around 95% for a week, but each night it moves up by about 0. 5%. It is possible that someone has it and they only seed at limited times of the day.
answered May 21 ’20 at 21:24
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How To Make Your Torrent Download Speed 300% Faster? – Fossbytes
Is your torrent download speed slow and you want to speed it up? Here, we have written a comprehensive guide that covers different aspects of torrent downloading.
Using torrent clients is one of the most popular ways to share files over the web. There are many popular torrent sites to do the job. While there are just minimal basic settings needed to run these clients, there are some tweaks for more advanced users. Before you proceed with our guide on increasing torrent download speed. Learn more about how torrents work and are these illegal here!
How to make BitTorrent download faster in simple steps?
To increase the torrent download speed, you can always find plenty of good ways online. In this article, we are trying to provide you all those methods and tips at a single place. Take a look:
1. Install a Lightweight Torrent Client
To increase the torrent downloading speed, the very first step you need to follow is to install a lightweight torrent client. Although BitTorrent is one of the most popular torrent clients around, it comes with lots of bloated apps and other features. So, I prefer uTorrent most for hassle-free and faster torrent downloading. You can also install qBittorrent since it’s another lightweight torrent client.
The reason for using a lightweight torrent client is that it only focuses on downloading torrents and speeds up the transfer rate. utorrent and qBittorrent are available for Windows, Mac, and Linux.
You can also refer our list of best torrent clients for Mac, Windows, and Android.
2. Choose a Healthy Torrent
For choosing a healthy torrent, first, you need to understand the concept of seeder and leecher. These two terms always confuse the new torrent enthusiast, so, here I will try to clear your doubts in simple language.
A seeder is one who has the complete copy of the file shared across the network which you intend to download. However, a leecher is one who does not have the complete copy of file and has joined the network to download the file. Once a leecher downloads the file completely, he/she will become a seeder.
For a high torrent download speed, the number of seeders should be higher than the number of leechers. The more is the number of seeders, the healthier your torrent will be. So, while choosing a torrent, make sure that the seeder-leecher ratio is high.
Also Read: What Are Torrents? How Torrent Works? — BitTorrenting 101
3. Add an Exception to Windows Firewall
Windows Firewall can block your torrent client or you can say your incoming BitTorrent connections. So, adding an exception to the Windows firewall will be a good option to boost torrent downloading speed. First, navigate to Options> Preferences> Connections, now check the Add Windows Firewall exception box and then click Apply.
(Check Enable UPnP port mapping in case it’s unchecked).
Warning: Do not shut down Windows Firewall permanently as it leaves your PC open to attack.
4. Change General Settings to Optimize uTorrent
To increase the speed of your torrent, make sure you have the best uTorrent settings configured on your machine. All the three options that are shown in the figure below should be checked.
To find these options, navigate to Options> Preferences> General then check Append.! ud to incomplete files and Pre-allocate all files. Usually, the third option is already checked but if it’s not, check that too.
5. Limit Your Global Upload and Download Rate
You can also speed up your torrent downloading on clients like qBitTorrent, BitTorrent, uTorrent, etc., by limiting the upload and download rate. But first, you should understand the fact that torrents breathe the uploading done by users.
So, turning it completely off, or setting it as 1kB/s, would not be a wise option. But, at the same time, you don’t want your upload rate to set it as the maximum (‘0’ stands for unlimited) as it can choke down your own connection.
Setting upload rate to about 70-80% of your maximum upload speed would be a great option to speed up torrenting. Whereas, you can keep the download rate 0, as it is considered as maximum. To configure these options navigate to Proprties> Bandwidth, then set the Global Upload Rate Limit as 80% your max upload.
Also Read: How To Use uTorrent Web To Download And Stream Torrents In Your Browser?
6. Change the Number of Connections
Once you’ve set the upload/download rate, you can now change the number of connections to avoid any overload. Although, if you do hit and trial with the settings you might get a better result. But, for those who aren’t very much sure, I can suggest you some rough numbers which might increase torrent downloading speed.
Navigate to properties> Bandwidth, then set Global maximum number of connections to 150 and the maximum number of connected peer per torrent to 100. Leave the upload slot as it is.
7. Add More Trackers
Trackers are a good way to optimize the torrent download speed. Adding new and faster trackers to your existing torrents can increase the download speed by adding new seeds and peers to your connection.
The method of adding trackers to your torrent is not so complicated as you only have to add these links to your existing trackers. While pasting the new tracker, make sure that you are not erasing the existing ones (and do not worry about duplication).
To add new trackers, first right click on the torrent you are downloading and then select Properties. Under the General tab, you will find the trackers list. Scroll to the bottom and paste trackers from the list given below.
Here is the list of trackers:
In case you want more trackers, here is the complete torrent tracker list.
8. Pick the best port for torrenting
As you might know, the BitTorrent protocol depends on the TCP protocol for transferring data over the internet. The recommended and possibly the best TCP port for torrenting is between 6881-6889. So, if you’re still wondering how to make torrent downloads faster, you can try configuring the same on your computer.
Did you find the article on how to increase torrent download speed useful? Or, do you know any other methods to speed up the torrent downloading? Let us know in comments below.
Also Read: 10 Best Websites For Legal Torrents And Safe Download | 2019 Edition
Are torrents less efficient than regular downloads? – Super User
When I download a file in torrents, the actual download (seen in the Ubuntu ‘System Monitor’) is a bit more than the download observed in the ‘Transmission BitTorrent Client’. Are torrents less efficient than regular downloads? Is this because my torrent client has to talk to a number of other torrent clients to get the file?
Is there a way make this difference smaller, keeping the download speed the same?
Grant Palin1, 1124 gold badges13 silver badges31 bronze badges
asked Oct 13 ’11 at 15:00
Praveen SripatiPraveen Sripati1, 6553 gold badges23 silver badges40 bronze badges
Torrents work by trading a few extra bytes downloaded and some extra software complexity, CPU time, upload bandwidth, and additional active sessions in exchange for the potential to download the desired bytes at a much faster rate.
So it depends on how you define efficiency. If your primary concern is for transmission size, then torrents are not efficient. If your concern is how fast you get your data, they are great.
Each of the costs I listed in my first sentence are real. They are designed to not be a factor for most users, but any of them can be important in the wrong situation. For example, the small college where I’m network admin has a fixed limit on the number of simultaneous sessions we can push through our gateway at one time. BitTorrent users can generate in excess of a thousand sessions each. Just a few users like that and suddenly internet access suffers for everyone even though we have bandwidth to spare, because we can’t process more sessions.
answered Oct 13 ’11 at 15:07
Joel CoehoornJoel Coehoorn27. 7k13 gold badges83 silver badges129 bronze badges
Torrent speed depends on seeders, both quality and quantity. If a torrent only has a few seeders with slow connections it’s not going to download quickly at all. Http downloads that rely on servers are usually more reliable. But a well seeded torrent can be astronomically fast, it’s definitely where i’ve seen my download speed maxed out most often. Most hosts don’t have servers that can match those speeds.
I’m not sure about setting your maximum peers, but I doubt it will help you. It’s pretty common to set max upload and download peers to 300 when tweaking rtorrent, that would be for a seedbox with an incredibly fast connection and horrible specs. Transmission isn’t quite as efficient as rtorrent without it’s GUI but i’d consider it to be very efficient regardless.
I don’t have access to Ubuntu’s System Monitor but is it possible that the uploaded data is getting reported also? Unless you explicitly set it otherwise you’ve probably been uploading to other peers while you download, especially on more popular torrents. Even if you have set it otherwise you’re also sending data to all the tracker URLs of the torrent, which would account for a little chunk of network usage.
answered May 3 ’18 at 15:47
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Frequently Asked Questions about what does availability mean in utorrent
How do I increase uTorrent availability?
How to make BitTorrent download faster in simple steps?Install a Lightweight Torrent Client. … Choose a Healthy Torrent. … Add an Exception to Windows Firewall. … Change General Settings to Optimize uTorrent. … Limit Your Global Upload and Download Rate. … Change the Number of Connections. … Add More Trackers.More items…
Can you go to jail for using uTorrent?
You don’t get arrested for using Torrent. Torrent (or BitTorrent, to be more precise), is just a file copy protocol which very efficiently moves files around the Internet. You don’t get arrested for using Torrent. …May 1, 2021
Is uTorrent faster than normal downloading?
in general torrent gets faster with more sources, since it can grab more pieces of the file at the same time. @Praveen – Most of the time, the original source for a direct http download is only able to provide a limited transmission rate… say 100Kbps. Individual torrent peers are usually even more limited…Oct 13, 2011