svn merge -c 1483578 FIXES: YARN-690. RM exits on token cancel/renew problems (daryn via bobby)


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1483579 13f79535-47bb-0310-9956-ffa450edef68
HDFS-4830. Typo in config settings for AvailableSpaceVolumeChoosingPolicy in hdfs-default.xml. Contributed by Aaron T. Myers.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1483604 13f79535-47bb-0310-9956-ffa450edef68
HADOOP-9566. Performing direct read using libhdfs sometimes raises SIGPIPE (which in turn throws SIGABRT) causing client crashes. Contributed by Colin Patrick McCabe.


git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1483613 13f79535-47bb-0310-9956-ffa450edef68