YARN-2171. Improved CapacityScheduling to not lock on nodemanager-count when AMs heartbeat in. Contributed by Jason Lowe.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1605616 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10715. Remove public GraphiteSink#setWriter()

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1605646 13f79535-47bb-0310-9956-ffa450edef68