IndexWriter.{set,get}MaxMergeDocs isn't deprecated, but it is a
convenience method for the corresponding calls on the MergePolicy.
Sorry, that javadoc is now false -- we decided that check (2nd point
in the javadoc) was overly pedantic so it was removed (this was
LUCENE-1254), but I forgo
The Javadoc for this method has the following comment:
"This requires this index not be among those to be added, and the upper bound*
of those segment doc counts not exceed maxMergeDocs. "
What does the second part of that mean, which is especially confusing given that
MAX_MERGE_DOCS is depre