Re: lzma compression on official isos vs Deltaisos

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Am Dienstag, den 09.03.2010, 20:35 -0800 schrieb Antonio Olivares:
> Yes, But I must ask again, rpm is using xz compression, but can 
> it be recompressed again with xz, 

No it cannot. Recompressing something that is already compressed,
normally ends in growing the final result. 

> xz is already present in Fedora
> 11/Fedora 12/Fedora 13 Alpha/Fedora Rawhide and 7zip can 
> open/extract the files too.   The rpms are xz compressed but the
> isos are not.  That is what I am asking, or is it too much
> compression?  When is so much too much?

Too much compression there is not. Best compression means getting
optimal balance between spent resources (time, space) and final result
(file size). Normally, you can add some additional compression, using
different algorithms and techniques. But compression time grows
exponentially. 

Cheers!
----------------------------------------------
Rodolfo Alcazar Portillo - nospaze@xxxxxxxxx
otbits.blogspot.com / counter.li.org: #367962
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Fachbegriffe der Informatik, Halflife-Server: Server, der nur halb lebt.
Kurz: IIS. 
-- Andreas Dau


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