[jira] [Created] (TAJO-1034) Reduce Explicit Use of JVM Internal Class

[Jihun Kang (JIRA)]

Jihun Kang created TAJO-1034:
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             Summary: Reduce Explicit Use of JVM Internal Class
                 Key: TAJO-1034
                 URL: https://issues.apache.org/jira/browse/TAJO-1034
             Project: Tajo
          Issue Type: Improvement
          Components: worker
            Reporter: Jihun Kang


WorkerHeartbeatService use the JVM internal class for getting the physical 
memory size of workers which are running on. These platform-specific interfaces 
are registered in the Platform MBeanServer, and obtaining these interfaces via 
Platform MBeanServer may reduce the use of JVM internal classes.



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