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What are best lzip compression options for large game tar archives?
From: |
Hoël Bézier |
Subject: |
What are best lzip compression options for large game tar archives? |
Date: |
Sun, 24 Oct 2021 15:19:39 +0200 |
Hi!
I’m a regular contributor to ./play.it, an enormous shellscript which aims at
creating regular distribution packages for commercial games from the installer
provided by vendors. You can learn more about it at https://www.dotslashplay.it/en/start
or by visiting us on the IRC channel #play.it on OFTC.
Since most distribution packages are tar archives compressed with different
algorithms (Debian favors bzip2 or xz, Arch favors zstd for example), I thought
that where possible I could as well provide support for lzip compression
(mainly for Gentoo actually, as one can write its own support for other
compression tools) because I do like a lot the way lzip was designed, and game
packages might be kept around for quite a few years (I still have a tar archive
of a Warcraft III installation hanging around for at least seven years).
However, since we compress fairly big packages (most popular games nowadays are
at least 1GB big), current compression with lzip (implemented through tar’s
--lzip switch) is quite slow. For example, packaging bastion, which is 1.1G
big, took half an hour on my computer.
Since I have seen that there were several options to lzip that could reduce
compression time or improve compression ratio, I was wondering if you could
tell me which options would be most fit for my purpose, and with which caveats,
if any.
Thank you,
Hoël
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