[jira] [Created] (TAJO-1040) Misuse netty HashedWheelTimer

[Jinho Kim (JIRA)]

Jinho Kim created TAJO-1040:
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             Summary: Misuse netty HashedWheelTimer
                 Key: TAJO-1040
                 URL: https://issues.apache.org/jira/browse/TAJO-1040
             Project: Tajo
          Issue Type: Improvement
            Reporter: Jinho Kim
            Assignee: Jinho Kim


HashedWheelTimer creates a new thread whenever it is instantiated and started. 
Therefore, We should to share the instance
refer to http://netty.io/3.6/api/org/jboss/netty/util/HashedWheelTimer.html



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