Zchunk File Format For Compressed Yet Efficient Deltas Nears 1.0 Release
Written by Michael Larabel in Linux Storage on 31 October 2018 at 05:45 PM EDT. Add A Comment
LINUX STORAGE --
It was just earlier this year that Zchunk was announced for producing delta-friendly files with good compression ratios while now the 1.0 stable release is in sight.

Zchunk is the file format initially developed by Jon Dieter that makes use of Zsync and Casync formats while utilizing Zstd for data compression.

Zchunk 1.0 will mark a stability guarantee for the file format while new API additions and feature flags can still be introduced.

Some of the still on-going plans for Zchunk include getting Zchunk meta-data for Fedora's DNF (now the plan is to get that for F30), Zchunk-compressed RPM support, Zchunk-compressed container images, and other possibilities being explored.

More details on the current state of Zchunk for those interested can be found via this blog post by Jon Dieter.
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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 10,000 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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