I was looking at IndexWriter.commit(commitUserData) and
IndexCommit.getUserData() as possible ways to save metadata about documents in
an index, but I realized that the metadata we are looking at could easily get
to have way too many map entries to work well. This pair of functions looks
useful
Most programs in all languages like plenty of memory. If you Google
"lucene memory usage" you'll get hits on articles by Lucene developers
and plenty more. Some bits may be more or less relevant to specific
versions of lucene,
As for "the minimum memory I must give to Lucene for its optimal
perf
