yum-presto not on by default

[Michal Schmidt]

Dne Wed, 23 Sep 2009 07:04:23 +0300 Jonathan Dieter napsal(a):
> https://bugzilla.redhat.com/show_bug.cgi?id=524720
> https://bugzilla.redhat.com/show_bug.cgi?id=524982
> 
> ...
> 
> The second one has to do with the fact that when rebuilding the rpms,
> we have to recompress the data, and xz compression is over 10x slower
> than gzip.

Do I understand it right that yum-presto compresses the data and then
passes them to rpm which decompresses them back again?
Why? Is it because it's currently the only way to verify
checksums/signatures?

Michal