Toshio Kuratomi (a.badger@xxxxxxxxx) said: > On 09/23/2009 10:05 PM, Bill Nottingham wrote: > > Jonathan Dieter (jdieter@xxxxxxxxx) said: > >> 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. > > > > Stats of the day... > > > > I took an existing xz-compressed RPM, and built a newer release of that > > package with varying xz levels. The numbers are: > > > > - the new package size at that XZ compression level > > - the time to create a new deltarpm from a delta to that new version > > > One further question -- where does libz compression fit into these stats? zlib compressed rpm was 1756k; applydeltarpm time ~1.3 seconds. (Yes, that implies xz -2 is faster.) Bill -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list
