Better repodata performance

[Jeff Johnson]

Dag Wieers wrote:

>On Sun, 29 Jan 2005, Alexandre Oliva wrote:
>
>  
>
>>On Jan 29, 2005, "Charles R. Anderson" <cra at WPI.EDU> wrote:
>>
>>    
>>
>>>Why all the complication when a general-purpose algorithm, rsync,
>>>already exists to solve this problem?
>>>      
>>>
>>It doesn't do very well on compressed files, and there aren't a lot of
>>rsync-enabled web proxies out there.
>>    
>>
>
>You may like this RFE:
>
>	https://devel.linux.duke.edu/bugzilla/show_bug.cgi?id=391
>
>gzip has an --rsyncable option that is missing from the python zlib 
>implementation. If python/zlib could be taught this, and createrepo 
>is able to use it, the metadata would be rsyncable (improves 
>transferspeed for repo maintainers/mirrors)
>
The necessary patch is at
    https://svn.uhulinux.hu/packages/dev/zlib/patches/02-rsync.patch

The patch is also in rpm-4.4., zlib bundled into -lrpmio, with a "rpmz_"
uniqifier on zlib symbols.

73 de Jeff