Developed by Yann Collet at Facebook, zstd is an open-source lossless data compression algorithm designed to offer fast real-time compression and decompression speeds, even faster than xz or gzip.
Zstd supports up to 19 compression levels, offering a 2.877 compression ratio with up to 430 MB/s compression and 1110 MB/s decompression speeds. Julian Andres Klode and Balint Reczey report that they managed to increase the speed of a standard Ubuntu 18.04 LTS (Bionic Beaver) 64-bit installation by about 10 percent with a zstd configuration set at max level 19. Even better, the install speed was increased by about 40 percent when the "eatmydata" library designed to disable fsync and related packages was involved.
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