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by bscphil 2096 days ago
> Does this also apply for data that's already compressed?

Assuming that rsync runs close to line speed on your computer, then a 1.5x speed up would be by definition impossible for already-compressed data. Moreover, rsync already offers compression, so any improvement would have to be from multiplexing. Maybe that does get 1.5x on some connections, but I'd be skeptical until I saw some real data.