On Tue, Feb 23, 2016 at 1:27 PM Shai Erera <[email protected]> wrote: > Wait, what do you mean by Lucene not supporting back-compat? Lucene 6.0 > will be able to read Lucene 5.0 indexes. The only thing that we don't > guarantee support for is API, which isn't the case here. >
Of course with Lucene I mean API back compat. Both Lucene and Solr support indexes over major versions. We don't promise anything else. > > So what's in 6.0 that can't read a 5.x Solr. It can't be the index format > since that's supported by Lucene. Is it the ZK format? If so, should we try > to "version" it so that a 6.0 code can read a 5.x version? Is it something > else / additionally? > We are free to change whatever we want subject to discussion on that issue. So I can't make a list :) We don't have promises over a major version other than Lucenes index back comp promise. - Mark > -- - Mark about.me/markrmiller
