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A comment on Why are tar.xz files 15x smaller when using Python's tar compared to macOS tar?. Parent comment

Re:Why are tar.xz files 15x smaller when using Python's tar ... by jtolmar on Sunday March 14, 2021 @06:07PM (#26459837)
Compression formats have to be small themselves, so they make tradeoffs on what data they can point at to make copies of. Most formats prioritize recent data, since that tends to be the most similar.
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