I know some of the docValue APIs changed in 4.10, because we had to re-code
some custom stuff, looks like
https://issues.apache.org/jira/browse/LUCENE-5882 changed the format on
disk too. The comments on that ticket don't suggest an 8% increase in disk
space, so maybe you are hitting some kind of
I'm preparing my data to migrate to 5.x from 4.6.1. One step referred in
documentation is upgrade the index to 4.10.4 format. To do this, I used the
command "java -cp lucene-core-4.10.4.jar
org.apache.lucene.index.IndexUpgrader".
The index size was 395 gigas and now is ~430 gigas. The only differen
