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Re: [lorax] Split compression into separate methods; use xz to compress initrd



> xz compression makes the initrd 33% smaller (136M -> 90M). The extra
> memory overhead at decompression time is negligible: testing showed
> that any system with enough RAM to use the gzip-compressed initrd was
> also able to load the xz-compressed initrd with no trouble.
> 
> Note that '--check=crc32' is needed because the kernel doesn't know
> how to perform the default xz integrity check (crc64).

If it's okay with mgracik, it's okay with me.  I'm happy to see the
initrd get below 100 MB, which was my original goal.

- Chris


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