Zstd Compression Under Review For OpenZFS
Written by Michael Larabel in Linux Storage on 17 May 2020 at 06:38 AM EDT. 19 Comments
LINUX STORAGE --
The ZFS file-system has long offered transparent file-system compression via the likes of LZ4 and Gzip and while now Zstd compression is under review for OpenZFS and seeking testing from the community.

Zstandard compression is already supported by the likes of F2FS and Btrfs as a modern compression algorithm backed by Facebook and hugely popular across many different areas. One of the newest pull requests for OpenZFS/ZFSOnLinux would extend the ZFS compression capabilities to include this new option.

There is a pending pull request introducing Zstd compression for ZFS. It should offer compression ratios comparable to Gzip but with much greater performance. The code is under review and additional testing always helps for getting such big changes across the finish line. Hopefully this will get merged in time for the 1.0 milestone of OpenZFS.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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