[GitHub] flink issue #5734: [FLINK-9026][Metrics] Close the TaskManagerMetricGroup wh...

[sihuazhou]

Github user sihuazhou commented on the issue:

    https://github.com/apache/flink/pull/5734
  
    CC: @zentol I've addressed your comments and Travis given green light, 
could you please have a look again?


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