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Downloading like the wind; uploading next to nothing #10257
qBittorrent version: 4.1.5 64 bit
When a file is being SEEDED, I then notice a small amount of upload activity...~100Kbit/sec., however, NOT while I am downloading only. Is this normal OR should I be uploading data with each download? I only download 1 torrent at a time.
Global Upload Bandwidth: 800KB/sec
IP Address to report: BLANK. I am using both IPv4 & IPv6
That's generally the state for torrents. Don't forget that you (will be) one of MANY clients transferring a tiny portion/fragment of that data to another peer. It may just be that you don't have a fragment that they need at this time. I would also say that I think the entire downloaded file may be hash-checked first before clients would start seeding it out but I could be wrong here.
Also this issue is not really qbittorrent-relevant but the entire torrent protocol/design itself, so perhaps some further research on your part should be done. Just my two cents here.
Private torrents hosted by big private trackers have an even worse problem -- a new peer will do a single tracker update, get a small random list of ~1-50 seed ips (out of potentially 100's on the same torrent), and download the whole torrent before doing another tracker update.
Unless your seed is one of the 50 seed ips the new peer got from the tracker, you likely won't upload to it...because when your seed does a tracker update it also gets a random 1-50 peer OR seed ips from the tracker. The more seeds there are, the less likely the new peer's ip is included.