Hello,
I am using indexes that can be as large as 25 Gb.
Indexes are created for a specific time window (for instance it can be weekly 
based).
Once the week is passed they are not written to anymore.
I have seen the IndexWriter.forceMerge(int) operation, and I had several 
questions:

-       After a forceMerge, what gains should we expect? Less space on disk, or 
faster searches?

-       How many maxNumSegments should I target? 1, 5, 10, ...? What are the 
criterias to decide?
Thanks,
vince

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