Since the only place that data is incompatable is in a map, I don't think it should matter, unless someone has written out a file of TupleWriteables in a sequence file. The serialization format is designed to be able to read the old format.
On Thu, Jul 2, 2009 at 3:10 PM, Owen O'Malley <omal...@apache.org> wrote: > Ok, > I checked and it doesn't break compatibility, but it will write data that > isn't readable by the unpatched code. Rather than push this back into what > is likely the last 0.19 release, I'd propose that we just backport this to > 0.20. Is that reasonable? > > -- Owen > -- Pro Hadoop, a book to guide you from beginner to hadoop mastery, http://www.amazon.com/dp/1430219424?tag=jewlerymall www.prohadoopbook.com a community for Hadoop Professionals