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Re: Some ideas/questions about yum





On Fri, 28 Aug 2009, Florian Festi wrote:

When we think of a Fedora that has grown another order of magnitude (may be 2015) it will become hard to argue against a more centralized solution. Right now we are not at the point where the pain of the local repo db does out weight the complexity of a web service architecture IMHO.

no - I think it'll be hard to argue why we need 20K pkgs in a single repository. Or hell, why we need 20K pkgs AT ALL.


But there is another way to drastically reduce the amount of data that has to be transferred: Delta meta data

The repo data bases could be split up into deltas in a similar way as done with the delta rpms aka presto. As a result the meta data of each package would be downloaded (more or less) exactly once. While this idea is arround for a while an implementation is still missing...

1. this is what he asked on yum-devel list. I told him there was the beginning of an implementation but it was never completed. He made it clear on yum-devel, at least, he didn't have the time to do any work on this - just that he wanted to tell us how he felt.

2. you still have to get the original metadata


-sv




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