> > If temporary breakage of some applications is acceptable, you can > spread this over a couple of days, by tsorting the 1000 packages. >
or do a staging in experimental or somewhere else. Upload everything there, let people look at it for a day or two then move it over. This staging could also take away the need to finish in one day. All C++ package maintainers could upload to the staging area. Anyone who has not uploaded in a certain time (a week or less sounds right) will hae an NMU done for them.
