About lz4
LZ4 is a compression algorithm available as a library and tool. Compression reduces the amount of space data occupies or the amount that must be transferred, while a library lets other software incorporate the algorithm and a standalone tool supports direct use. LZ4 is described as fast, but the supplied information does not provide performance measurements, compression ratios, supported file types, or command options. It also does not state whether the tool handles archives or only individual data streams. LZ4’s documented role is providing compression functionality through both reusable software and a user-facing tool; exact tradeoffs between speed and compressed size depend on settings and workloads not detailed here.
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