It seems to be the very similar discussion about this topic, I've just
missed it. Number of approaches are there.
http://mail-archives.apache.org/mod_mbox/lucene-java-user/201502.mbox/%3CCAON7oqQh4aXoKfWyn=7odzwc48h_vvjjaabpfadmqehstzz...@mail.gmail.com%3E
> Looks like it goes thru every term and
Thanks for your input Uchida. I will try that out. I wonder what is the
magic sauce in Luke's set of calls which allows it to create say top 100
terms even from a index with 100 million docs (small docs though for me).
Looks like it goes thru every term and puts them in a priority queue and
takes t
Hi,
I'm afraid there are no easy or straight way for your requirement.
I would try create an temporary tiny index from search results on the fly
in memory, and get top N terms from it by HighFreqTerms.
http://lucene.apache.org/core/4_10_3/misc/org/apache/lucene/misc/HighFreqTerms.html
(The logic i