[Bug 538357] Re: package index files should be also compressed with lzma

[Raphaël Hertzog]

This is not a bug on dpkg. Reassigning to Ubuntu in general since I
don't know the proper place for such infrastructure request.

** Package changed: dpkg (Ubuntu) => ubuntu

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Title:
   package index files should be also compressed with lzma

Status in Ubuntu:
  New

Bug description:
  Binary package hint: dpkg

  Since apt already should support the lzma compression method ( https://wiki.ubuntu.com/dpkg-lzma ) it would make sense to also compress the package index files which currently are compressed with bzip2 and gz.
  For example: http://de.archive.ubuntu.com/ubuntu/dists/lucid/universe/binary-i386/

  Even if the gain is only 10% (although it is often more especially
  with -9) it might make a difference since this files are usually
  downloaded every day. For a stable version the effect isn't that big
  since only the update/security/backports files are updated and not
  every day but with a slow connection it might have an effect since
  they are downloaded in the background and might impact the user
  experience.

  Not to mention that lzma decompresses often more than twice as fast as bzip2.
  http://tukaani.org/lzma/benchmarks.html

  For arm or platforms with low memory bzip2 or gz could be used.

  (Btw. are there plans to make the package index files update
  incremental)

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