MAPREDUCE-5235. Bring back old fields and exceptions in Counters for binary compatibility with mapred in 1.x. Contributed by Mayank Bansal


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1484992 13f79535-47bb-0310-9956-ffa450edef68
YARN-706. Fixed race conditions in TestFSDownload. Contributed by Zhijie Shen.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1485028 13f79535-47bb-0310-9956-ffa450edef68
MAPREDUCE-5221

Signed-off-by: Tsuyoshi Ozawa <ozawa.tsuyoshi@gmail.com>
MAPREDUCE-5221 v2

Signed-off-by: Tsuyoshi Ozawa <ozawa.tsuyoshi@gmail.com>
MAPREDUCE-5221 v3

Signed-off-by: Tsuyoshi Ozawa <ozawa.tsuyoshi@gmail.com>