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Redundancy / go-sync

gosync is a library for Golang styled around zsync / rsync, written with the intent that it enables efficient differential file transfer in a number of ways. NB: I am unable to contribute to this at the moment

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Detailed comparison to rsync/librsync/zsync

andreygursky opened this issue · comments

commented

Daniel,

I'm missing a more detailed comparison to the mentioned rsync/librsync/zsync libs/progs. The most important differences between rsync and librsync/zsync is that the former can do interleaved patching (search for matches / data transfer). It seems go-sync doesn't support this (yet) or it's just not mentioned in https://github.com/Redundancy/go-sync#commandline--files?

Andrey

commented

GoSync does binary differential patching by matching first weak rolling checksums and then strong checksums. It uses the blocksource interface to do requests for ranges of the source file.