Rakesh R created HDFS-10884:
-------------------------------

             Summary: [SPS]: Add block movement tracker to track the completion 
of block movement future tasks at DN
                 Key: HDFS-10884
                 URL: https://issues.apache.org/jira/browse/HDFS-10884
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Rakesh R
            Assignee: Rakesh R


Presently 
[StoragePolicySatisfyWorker#processBlockMovingTasks()|https://github.com/apache/hadoop/blob/HDFS-10285/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/StoragePolicySatisfyWorker.java#L147]
 function act as a blocking call. The idea of this jira is to implement a 
mechanism to track these movements async so that would allow other movement 
while processing the previous one.



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