I don’t know about compression but this post could definitely stand to deduplicate its @ tags 
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It’s really a matter of “test with your data” - but it’s a significant difference in the speed of decompression between LZ4 and ZSTD, reflected not just as bandwidth but latency.
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For a dataset that stores incompressible data (like the video files in question) then ZSTD is significantly worse unless conditions are such that the you’ve got the early-abort functionality properly triggering (zstd >= 3) it will just blindly try to compress the file to no effect burn CPU cycles.
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I actually said ZSTD, you just transparently decompressed it to “Zstandard”
