Hi Chris,
> : > The fact that you need to index doc values is related to another change in
> : > which we removed Lucene's FieldCache and now recommend to use doc values
> : > instead. Until you reindex with doc values, you can temporarily use
> : > UninvertingReader[1] to have the same behaviour
It's also important to IndexWriter.commit (as well as open new NRT
readers) periodically or after doing a large set of updates, as that
lets Lucene remove any old segments referenced by the prior commit
point.
Mike McCandless
http://blog.mikemccandless.com
On Fri, Nov 6, 2015 at 2:59 AM, Rob Au
Thanks Mike for the reply,
I already commit every after every 5000 documents per Thread.
I also found out today how to enable the InfoStream through the
IndexWriterConfig, so I'll have lots of extra information to work on. Will
run it on the production environment to find out what's happening the
