[jira] [Created] (KYLIN-3106) DefaultScheduler#shutdown should use shutdownNow instead of shutdown

[hongbin ma (JIRA)]

hongbin ma created KYLIN-3106:
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             Summary: DefaultScheduler#shutdown should use shutdownNow instead 
of shutdown
                 Key: KYLIN-3106
                 URL: https://issues.apache.org/jira/browse/KYLIN-3106
             Project: Kylin
          Issue Type: Bug
            Reporter: hongbin ma


java.util.concurrent.ExecutorService#shutdownNow will interrupt running worker 
threads, while java.util.concurrent.ExecutorService#shutdown will not.

if interrupt signal is sent, a worker thread can get aware of it and abort 
itself in time. 



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