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by ljusten
1252 days ago
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>> Or, how is it that the local manages to be clairvoyant enough to choose the same windows? Yes! In content defined chunking, the chunk boundaries depend on the content, in our case a 64 byte window. If the local and the remote files have the same 64 byte sequence anywhere, and that 64 byte sequence has some magic pattern of 0s and 1s, they will both have chunk boundaries there. A chunk is the range of data between two chunk boundaries, so if N consecutive chunk boundaries match, then N-1 consecutive chunks match. |
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