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From "Xiaoyu Yao (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HADOOP-12950) ShutdownHookManager should have a timeout for each of the Registered shutdown hook
Date Mon, 21 Mar 2016 20:01:25 GMT
Xiaoyu Yao created HADOOP-12950:
-----------------------------------

             Summary: ShutdownHookManager should have a timeout for each of the Registered
shutdown hook
                 Key: HADOOP-12950
                 URL: https://issues.apache.org/jira/browse/HADOOP-12950
             Project: Hadoop Common
          Issue Type: Improvement
            Reporter: Xiaoyu Yao
            Assignee: Xiaoyu Yao


HADOOP-8325 added a ShutdownHookManager to be used by different components instead of the
JVM shutdownhook. For each of the shutdown hook registered, we currently don't have an upper
bound for its execution time. We have seen namenode failed to shutdown completely (waiting
for shutdown hook to finish after failover) for a long period of time, which breaks the namenode
high availability scenarios. This ticket is opened to allow specifying a timeout value for
the registered shutdown hook.




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