Owen O'Malley wrote:
Correction. Pre-1.0, the 0.N to 0.N+1 is a major upgrade. After 1.0, 1.N to 1.N+1 is a minor. In both cases, X.Y.z to X.Y.z+1 is a patch release.I thought we had it documented somewhere, but can't find it.
http://wiki.apache.org/hadoop/Roadmap Doug
