http://www.nongnu.org/lzip/xz_inadequate.html is an interesting read why xz is an unsafe data format for long-time archival (bit-flips are particularly disastrous to recover from), and argues that lzip may be a better compression format. Meanwhile, the recently-released open-source Zstd compression seems like it can outperform several other compression formats; http://facebook.github.io/zstd/. Should we be revisiting coreutils' xz-only distribution policy?
-- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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