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System Design
Why is Content-Defined Chunking (Rabin Fingerprints) superior to fixed 4MB chunking in file sync engines?
A
Fixed 4MB chunking only works on Windows
B
If 1 byte is inserted at the start of a file with fixed chunking, all subsequent chunk boundaries shift, changing every block's hash; Rabin fingerprinting keeps subsequent boundaries stable
C
Rabin fingerprints compress files by 90%
D
Content-defined chunking encrypts files automatically
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