Antonio Olivares wrote: > Andre/others on list, > The question is why doesn't Fedora use xz compression on the isos > like TeXLive2009 did it with their isos? If they were to be done > like that how does the compression match vs the Deltaisos that you > kindly provide for many Fedora users? I tried using the default xz compression (level 6 according to the man page) on Fedora-12-i386-DVD.iso, and reduced it to 96.66% of the original size, a savings of about 100 MB. Uncompressing took about 2 minutes. (Level 9 compression might do slightly better, but would have taken much longer to run the test.) I tried the same thing on a deltaiso, and it actually got slightly bigger, so that's out. But deltaisos have the advantage that they use delta compression relative to a similar ISO, so normally they should be much smaller.
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