elasticsearch/elasticsearch — pull request #8832 by rjernst (2014-12-08 23:03:37+00:00)
Title: Stats: Add more fine grained memory stats from Lucene segment reader.

This is a start to exposing memory stats improvements from Lucene 5.0.
This adds the following categories of Lucene index pieces to index stats:
* Terms
* Stored fields
* Term Vectors
* Norms
* Doc values