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Re: The archive now supports xz compression



On 11.08.11 Ansgar Burchardt (ansgar@debian.org) wrote:

> The archive software now accepts packages using xz for compression in
> addition to gzip and bzip2 for both source and binary packages.
> 
> Additionally please only use xz (or bzip2 for that matter) if your
> package really profits from its usage (for example, it provides a
> significant space saving).
> 
Just some small estimations:

hille@sid:~ $ ls -l texlive-bin_2011.20110628.orig.tar.gz
-rw-r--r-- 1 hille users 163682702 Aug  3 16:21 texlive-bin_2011.20110628.orig.tar.gz
hille@sid:~ $ time gzip -d texlive-bin_2011.20110628.orig.tar.gz

real    0m20.582s
user    0m4.464s
sys     0m1.116s
hille@sid:~ $ ls -l texlive-bin_2011.20110628.orig.tar.bz2
-rw-r--r-- 1 hille users 153899088 Aug  3 16:21 texlive-bin_2011.20110628.orig.tar.bz2
hille@sid:~ $ time bzip2 -d texlive-bin_2011.20110628.orig.tar.bz2

real    0m26.311s
user    0m23.289s
sys     0m1.316s
hille@sid:~ $ ls -l texlive-bin_2011.20110628.orig.tar.xz
-rw-r--r-- 1 hille users 113208704 Aug  3 16:21 texlive-bin_2011.20110628.orig.tar.xz
hille@sid:~ $ time xz -d texlive-bin_2011.20110628.orig.tar.xz

real    0m24.378s
user    0m14.909s
sys     0m1.768s
hille@sid:~ $

I used xz -7 for compression. I think we could use xz for
compression.

H.
-- 
Don't ever slam a door; you might want to go back.
  http://www.hilmar-preusse.de.vu/

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