Yang Yun created HDFS-15722:
-------------------------------

             Summary: Gather storage report  for each volume in a separate 
thread
                 Key: HDFS-15722
                 URL: https://issues.apache.org/jira/browse/HDFS-15722
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: datanode
            Reporter: Yang Yun
            Assignee: Yang Yun


Getting stuck while gathering information from one volume may makeĀ  the entire 
datanode hang. This can happenĀ in the case that volume is mounted by some 
process(fuse).



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