qBT total size vs downloaded mismatch (lemmy.world)

submitted 10 months ago* (last edited 10 months ago) by s38b35M5@lemmy.world to c/general@lemmy.world

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When using qBitTorrent to download Linux ISOs, I am seeing that the total size of the download is one thing, then the total downloaded when complete exceeds (sometimes by almost double) that size.

For example:

Size           Downloaded  
900MB            1.56GB
1.6GB            1.91GB

Why is that thing?

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[-] rdyoung@lemmy.world 3 points 10 months ago

It's probably because of the way torrent works. If some of the data from a peer doesn't pass whatever verification checks then it downloads it again. To me those look like normal variations in file size versus actually downloaded by the torrent client.

[-] s38b35M5@lemmy.world 2 points 10 months ago

Overhead and retransmissions; got it.

THX for the reply. I was getting nowhere with my search-fu and ADD attention span.

[-] rdyoung@lemmy.world 1 points 10 months ago* (last edited 10 months ago)

More retransmissions than overhead. This is big concern when downloading movies and TV shows because there are attempts to poison the DLs for people (or there was when torrent was first created as a protocol).

[-] Dagamant@lemmy.world 2 points 10 months ago

doesnt hurt th check the hash against what the distributor publishes.

this post was submitted on 20 Apr 2024

7 points (100.0% liked)

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