rsync and rawhide

[Alan Cox]

> The problem is that RPM is a compressed format.  Change one byte in it and
> there are chances ALL the remainder of the file is different.  One thing

gzip can be patched to avoid this. Debian have done so for apt/dpkg (Rusty
did a talk on this).  It was tried ages ago but caused a problem that should
now be fixed.

Another big problem for the ftp sites is that rsync is relatively cpu/mem
intensive so 3000 parallel rsyncs isnt too cool