HDFS-6847. Avoid timeouts for replaceBlock() call by sending intermediate responses to Balancer (Contributed by Vinayakumar B.) git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1617785 13f79535-47bb-0310-9956-ffa450edef68
HDFS-6847. Avoid timeouts for replaceBlock() call by sending intermediate responses to Balancer (Contributed by Vinayakumar B.) git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1617785 13f79535-47bb-0310-9956-ffa450edef68