Thank you very much Shawn, very interesting. Is there any chance to find this behaviour explained in the wiki?
On Tue, Jun 23, 2015 at 6:02 PM, Shawn Heisey <apa...@elyograg.org> wrote: > On 6/23/2015 9:37 AM, Vincenzo D'Amore wrote: > > I'm upgrading a SolrCluster from 4.8 to 4.8.1. > > Looking at collections configuration there are few solrconfig.xml that > have > > > > <luceneMatchVersion>LUCENE_48</luceneMatchVersion> > > > > others have: > > > > <luceneMatchVersion>4.8</luceneMatchVersion> > > > > Now I'm updating everything to: > > > > <luceneMatchVersion>4.8.1</luceneMatchVersion> > > Changing your luceneMatchVersion is unnecessary. We try to never make > changes in the API or Solr behavior in a bugfix release, unless it's > absolutely necessary to fix a bug. To my knowledge, changes in API and > general behavior have NOT been required by any recent bugfix release. > This means that a 4.8.1 match version will produce exactly the same > results as a 4.8 match version. Changes in the index format are also > avoided, so you will not need to reindex. > > The luceneMatchVersion code is capable of dealing with X.Y versions as > well as LUCENE_XY ... Starting with 4.9, it also understands LUCENE_X_Y > ... which was a required addition because version 4.10 wouldn't have > worked with the LUCENE_XY notation. > > Thanks, > Shawn > > -- Vincenzo D'Amore email: v.dam...@gmail.com skype: free.dev mobile: +39 349 8513251
