On Sun, Jun 29, 2014 at 1:55 AM, Jonathan Dieter <jdieter@xxxxxxxxx> wrote: > 2. RPM would also need to support signatures across the uncompressed payload > as well as the compressed payload. Well Florian said that only the header is actually signed not the payload. So this shouldn't be necessary. > 3. Deltarpm would need to be patched to build non-compressed rpms when > rebuilding the deltarpms. > > As the maintainer of deltarpm, I can easily do (3), but there didn't seem to > be much buy-in for (1) and (2) the last time I suggested it (no references; > I can't seem to find the previous thread in the archives). > > Please note that this would severely reduce the need for CPU during the > deltarpm rebuild process, but at the expense of increasing IO as we're > writing an uncompressed RPM. Given how expensive xz compression is that should sitll be a win. On a fast system where the compression does not hurt so much you are likely have enough memory for I/O not to be much on an issue for moderately sized updates. -- devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxxx https://admin.fedoraproject.org/mailman/listinfo/devel Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct