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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-7932) Speed up the shutdown of datanode during rolling upgrade
Date Fri, 13 Mar 2015 21:44:39 GMT
Kihwal Lee created HDFS-7932:
--------------------------------

             Summary: Speed up the shutdown of datanode during rolling upgrade
                 Key: HDFS-7932
                 URL: https://issues.apache.org/jira/browse/HDFS-7932
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Kihwal Lee


Datanode normally exits in 3 seconds after receiving {{shutdownDatanode}} command. However,
sometimes it doesn't, especially when the IO is busy. 



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