This configuration option is under Options > Transfer > "Max upload slots per torrent default" in the GUI, or 'Core_iMaxUploads' in the console. I have a problem with the upload slots. No matter how many slots i allow in the settings qBittorrent never goes higher than This results in a Why can't I set the number of upload slots to zero. It should cap the number of simultaneous uploads for good TCP performance. It will open more upload slots as necessary to utilize available. This is a very light torrent client that is not ad-supported, and can be downloaded from qbittorrent. When you force encrypted connections, you'll only be able to connect with other encrypted users. As such, the file is split into many parts. Definitly valid points Switeck. As a precaution, we are advising our users to change their passwords. You can't perform that action at this time. You may need to enable UPnP for your router if it has been disabled. Everyone got all excited when it was noticed that Microsoft had initially limited half-open connections in XP and Vista to small numbers. Download this article for free PDF. When using select or epoll until libcurl is fixed based polling use an open files limit that is reasonably low is it still the case??? The file is downloaded in small chunks from multiple sources at once, and the combined total of all these downloads makes up your overall download speed. Firewalls and other security applications may also limit your download speed, so in case you're currently running such software, make sure you disable them or set up special rules for uTorrent. Set the torrent's bandwidth allocation to high. Sign up for free to join this conversation on GitHub. Little u flag only means that they want to download from you Subscribe to our newsletter. Microsoft Could Launch a Start Menu Option in Windows 8. Upload slots cycle differently between different clients. It's more efficient to send pieces to less people and let them spread the pieces out themselves. They are intended to give users more guidance than the settings recommended in the FAQ, but are by no means definitive. For optimistic unchoking, at any one time there is a single peer which is unchoked regardless of it's upload rate if interested, it counts as one of the four allowed downloaders. But there is no advantage to increasing your number of active torrents. Once even a casio tv 600 torrent is started, upload slot max per torrent really needs to be reduced Choking is done for several reasons.