MAPREDUCE-5679. TestJobHistoryParsing has race condition. Contributed by Liyin Liang


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1551616 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-10168. fix javadoc of ReflectionUtils#copy. Contributed by Thejas Nair.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1551646 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5431. Support cachepool-based limit management in path-based caching. (awang via cmccabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1551651 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5657. race condition causes writeback state error in NFS gateway. Contributed by Brandon Li

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1551691 13f79535-47bb-0310-9956-ffa450edef68
HDFS-5634. Allow BlockReaderLocal to switch between checksumming and not (cmccabe)

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1551701 13f79535-47bb-0310-9956-ffa450edef68