On Sat, Apr 3, 2010 at 1:25 AM, Babak Farhang <farh...@gmail.com> wrote: >> I think they get merged in by the merger, ideally in the background. > > That sounds sensible. (In other words, we wont concern ourselves with > roll backs--something possible while a "layer" is still around.)
Actually roll backs would still be very possible even if layers are merged. Ie, one could keep multiple commits around, and the older commits would still be referring to the old postings + layers, keeping them alive. Lucene would still be transactional with such an approach. Mike --------------------------------------------------------------------- To unsubscribe, e-mail: java-dev-unsubscr...@lucene.apache.org For additional commands, e-mail: java-dev-h...@lucene.apache.org
