HDFS-4635. Move BlockManager#computeCapacity to LightWeightGSet. Contributed by Suresh Srinivas.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1461364 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9194. RPC Support for QoS. (Junping Du via llu)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1461370 13f79535-47bb-0310-9956-ffa450edef68
YARN-474. Fix CapacityScheduler to trigger application-activation when am-resource-percent configuration is refreshed. Contributed by Zhijie Shen.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1461402 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5006. Fix failing streaming tests due to MAPREDUCE-4994. Contributed by Sandy Ryza.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1461541 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4581. DataNode.checkDiskError should not be called on network errors. Contributed by Rohit Kochar.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1461597 13f79535-47bb-0310-9956-ffa450edef68
YARN-496. Fair scheduler configs are refreshed inconsistently in reinitialize. Contributed by Sandy Ryza

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1461614 13f79535-47bb-0310-9956-ffa450edef68
Merge branch 'trunk' into HDFS-4249
HDFS-4249: fix compiler warnings