metamx/druid — pull request #921 by nishantmonu51 (2014-12-02 17:14:09+00:00)
Title: separate implementations of  incremental index

separate out impl of IncrementalIndex -
1) OnheapIncrementalIndex - on heap version of incrementalIndex (used by default)
2) OffheapIncrementalIndex - off heap version, uses direct memory for aggregators and storing dimensions.