Re: [Rpm-metadata] createrepo 0.4.11

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On Thu, Nov 29, 2007 at 10:03:04AM -0500, seth vidal wrote:
> 
> On Thu, 2007-11-29 at 16:03 +0100, Florian La Roche wrote:
> > On Wed, Nov 28, 2007 at 08:57:09AM -0500, seth vidal wrote:
> > > 
> > > On Wed, 2007-11-28 at 14:54 +0100, Florian La Roche wrote:
> > > > On Wed, Nov 28, 2007 at 08:39:21AM -0500, seth vidal wrote:
> > > > > 
> > > > > On Wed, 2007-11-28 at 14:25 +0100, Florian La Roche wrote:
> > > > > 
> > > > > > 
> > > > > > Hello Seth,
> > > > > > 
> > > > > > below is a patch to sort the output, otherwise createrepo
> > > > > > depends on the order of the local filesystem and how rpms
> > > > > > are stored there.
> > > > > 
> > > > > Why does the order matter? Doesn't this just take more time to do the
> > > > > sort?
> > > > 
> > > > It makes the metadata predictable and not dependent on the fs of the
> > > > server. 
> > > 
> > > Again, how does the predictability of order the filelists and deps/reqs
> > > are put into the metadata impact the functionality?
> > 
> > 
> > Hello Seth,
> > 
> > This is about stability of the data. Currently you cannot easily
> > run createrepo and quickly check the output against the existing data.
> 
> yes, you can - use the metadata diff tool in createrepo's source -
> dmd.py


Hello Seth,

dmd.py is nice, this wasn't part of earlier releases. I still think
putting this into the format you write out to disk is a plus.


> 
> > 
> > > 
> > > > The additional time should not matter at all here.
> > > 
> > > There are as many as 11000 pkgs in some of the repositories we create.
> > > How does it NOT matter if it takes extra time to sort each of them?
> > 
> > 
> > I am not aware of such limits for python .sort(). 11000 is not a huge
> > amount of data compared to other computations done in createrepo.
> > 
> 
> except that your code has us sorting all the files in each of the 11000
> pkgs.


Same data stability problem as above with filename sorting, to not
depend on python ordering.


> 
> also - why  did you cc fedora-devel on this thread?


To open up the discussion, not sure how many people are on
rpm-metadata.

regards,

Florian La Roche

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