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Bug#458663: Missing support for data.tar.bz2-based debs

Robert Millan <rmh@aybabtu.com> writes:

>> The worst (and most relevant here) constraint is on initrd size, and
>> that is unaffected by .deb size.
> Why not move it out, then?  Just unpack the necessary packages in the target
> root so that you can decompress the rest.

If it's done using that way the size increasement (of initrd) could be
avoid. That doesn't solve the memory footprint (of bzip2 usage).

> And while we're at it, why not use lzma instead?  Gives better compression
> ratio, and the size increase becomes insignificant once that issue is solved.

Talking at #debian-boot about this issue, we also doesn't know if the
compression ratio will be good enough to justify the slowdown of
uncompression. Base isn't a big set of packages and IMHO before
deciding about commiting this change or not we need to know how much
we'd reduce the size of base set.

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