Thanks Grijesh for responding. I meant that I will use the Lucene 3.1 jars for indexing also from now on. My current index already has a million docs indexed with solr 1.4.1 version, I read somewhere that once server is upgraded to 3.1, it is said that the first commit will change the indexes to 3.1 format automatically. Is this true or do I have to literally reindex the million docs again ?
Thanks, Ravi Kiran Bhaskar On Tuesday, May 10, 2011, Grijesh <pintu.grij...@gmail.com> wrote: >>1. Do we have to reindex all content again to use Solr 3.1 ? > >>2. If we don't reindex all content are there any potential issues ? (I >>read somewhere that first commit would change the 1.4.1 format to 3.1. >>have the analyzer's behavior changed which warrants reindexing ?) >>3. Apart from deploying the new solr 3.1 war; Is it just enough to set >>"<luceneMatchVersion>LUCENE_31</luceneMatchVersion>" to get all the >>goodies and bug fixes of the LUCENE/SOLR 3.1 ? > > HI Solr-3.1 version usage the the latest version of Lucene jars so if you > are planning to Upgrade then it is necessary to Re index all the content > with Solr3.1 version. > > Not re-indexing will possibly cause of index corruption because newer > version of lucene will create indexes in Newer version which is backward > compatible for read only. > > setting <luceneMatchVersion>LUCENE_31</luceneMatchVersion> is not enough > because it will not get the lucene 3.1 jar automatically. > > ----- > Thanx: > Grijesh > www.gettinhahead.co.in > -- > View this message in context: > http://lucene.472066.n3.nabble.com/Solr-3-1-Upgrade-Reindex-necessary-tp2919679p2922645.html > Sent from the Solr - User mailing list archive at Nabble.com. >
