Better repodata performance

[David Farning]

Charles R. Anderson wrote:
> On Sat, Jan 29, 2005 at 05:54:48PM -0600, David Farning wrote:
> 
>>Now, in most situations very few packages have been changed. Therefore, 
>>between primary.xml versions few <package>...</packages> have changed 
>>thus most of the information in primary.xml is redundant against 
>>previous versions of primary.xml.
> 
> 
> Why all the complication when a general-purpose algorithm, rsync,
> already exists to solve this problem?  Using rsync or librsync would
> require no changes to the repodata...
> 

Debugging a rsync base solution would be a nightmare because it would be 
much harder to track exactly what is happening for a given update.

-dtf