Your message dated Thu, 30 Apr 2015 00:07:52 +0200
with message-id <[email protected]>
and subject line Re: gzip vs. xz
has caused the Debian Bug report #240597,
regarding doc-rfc-std: Use bzip2 compression instead of gzip for better
compression
to be marked as done.
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If this is not the case it is now your responsibility to reopen the
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240597: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=240597
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Package: doc-rfc-std
Version: 20030621-1
Severity: wishlist
For a document package with many items (140+), it would be
better to use
bzip2 --best
instead of current gzip compression.
Jari
-- System Information
Debian Release: testing/unstable
Architecture: i386
Kernel: Linux cante 2.4.23 #1 SMP Wed Dec 24 03:49:19 EET 2003 i686
Locale: LANG=C, LC_CTYPE=en_US.iso88591
--- End Message ---
--- Begin Message ---
On 2012-03-18 23:38:03, Iustin Pop wrote:
> Hi,
>
> I've checked the difference between gzip and xz (in its default -6 mode,
> not in -9, which the man page discourages). The tests were done on all
> the files in the orig.tar.gz archive.
>
> original: 417M
> gzip: 46s to compress down to 152M, 3.2s to decompress
> xz: 2m55s to compress down to 140M, 11.1s to decompress
> xz -9: 3m53s to compress down to 140M, 11.1s to decompress
>
> So we're looking at a 3x slowdown in compress time (and decompress), for
> a small 3% improvement in compression ration (from 36% to 33%).
>
> The original bug was filled in 2004; I wonder if today ~12MB (or maybe
> 20MB when compress the extra files too) is worth doing, or if it's fine
> to remain with gzip.
>
> Thoughts?
Given that I had no feedback on this bug for 3 years, and that the gains
from xz are minimal, I'm going to mark it as closed. Feel free to reopen
the discussion!
iustin
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