Thanks, mike. I'm facing a similar problem.
I'm running a 2.0 elasticsearch cluster, and find the fst of _uid field
takes a lot of memory. The _uid field is not analyzed and generated by
elasticsearch, which also has high cardinality.
Is there any ways to reduce memory cost for _uid field? Thanks.
Looking for some help with this question in SO:
https://stackoverflow.com/questions/47589593/lucene-rangeaccumulator
*Looking for some information about how the API for Lucene change with
respect to the RangeAccumulator
(http://lucene.apache.org/core/4_5_0/facet/org/apache/lucene/facet/range/Range
