On Mon, Dec 17, 2007 at 01:05:26PM +0100, Krzysztof Lichota wrote: > > I've heard that lzma will be included by default in main for Hardy. > > This is a very good idea. Changing package build scripts to manually > > pass lzma compression using dh_builddeb -- -Z lzma would be very > > tedious, however. In IRC pitti proposed that we do this centrally - > > changing the default of dpkg-deb (currently gzip) seems to be the best > > place for this.
Long ago people claimed that there are problems with upgrades, i guess to have this clean packages have to pre-depend on dpkg that supports lzma. > It is hard to judge best compression using only one package. It is > possible that for other packages other compression schemes would be > better. Have you run built other packages? ?The best would be to rebuild > whole repo with new compression scheme and compare the results, so that > it does not appear, for example, that packages stop fitting into one CD. I did a lzma install CD nearly 2 years ago, so there are some numbers for a whole (breezy) CD: https://lists.ubuntu.com/archives/ubuntu-devel/2006-January/014246.html 647129088 -> 501211136 > Another thing is decompression time - on some machines the limiting > resource is CPU, not bandwidth nor disk space and changing compression > would mean significant burden as packages would be unpacked much longer > and put more stress on system, making user experience unpleasant. With a 1 Ghz box you get about 10 MB/s decompressed (of uncompressed data), so that is hardly a real issue. Regards, Christian Leber -- http://rettetdieti.vde-uni-mannheim.de/ -- Ubuntu-devel-discuss mailing list Ubuntu-devel-discuss@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-devel-discuss
