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From "Xiao Chen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-9701) DN may deadlock when hot-swapping under load
Date Mon, 25 Jan 2016 21:39:39 GMT
Xiao Chen created HDFS-9701:
-------------------------------

             Summary: DN may deadlock when hot-swapping under load
                 Key: HDFS-9701
                 URL: https://issues.apache.org/jira/browse/HDFS-9701
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Xiao Chen
            Assignee: Xiao Chen


If the DN is under load (new blocks being written), a hot-swap task by {{hdfs dfsadmin -reconfig}}
may cause a dead lock.




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