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Re: yum-presto not on by default

On Wed, Sep 23, 2009 at 07:38:24PM -0400, Andre Robatino wrote:
> On 09/23/2009 07:17 PM, Bill Nottingham wrote:
> > Andre Robatino (andre bwh harvard edu) said: 
> >> If I understand correctly what the problem is - that successfully
> >> xz-uncompressing a file requires being on the same endian arch as the
> >> one it was compressed on - that's just wrong.  It shouldn't be
> >> platform-dependent at all.
> > 
> > That is not the issue. There are two issues:
> > 
> > - Compressing a file on different arches, while it produces output
> > that any arch can decompress, does produce *different* output.
> > - Compression of xz is not fast.
> Ah, OK.  But hasn't openSUSE been using xz in their deltarpms since 11.0
> (over a year ago)?  What are they doing differently so they aren't affected?

1) Maybe they don't build noarch rpms on ppc
2) They use a faster compression, that creates bigger output. At least I
remember something like this mentioned in this thread or some other


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