caskdata/cdap — pull request #739 by gsps1 (2014-12-02 18:34:11+00:00)
Title: use gauge for MR counters

based on the discussion https://issues.cask.co/browse/CDAP-798, we decided to keep the map reduce metrics consistent with how its reported ( as gauges).

the PR https://github.com/caskdata/cdap/pull/726 was merged by the release manager, before i changed. so sending this change as new PR.