[jira] [Created] (FLINK-12213) Pass TaskManagerMetricGroup into constructor of NetworkEnvironment

[Shang Yuanchun (Jira)]

zhijiang created FLINK-12213:
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             Summary: Pass TaskManagerMetricGroup into constructor of NetworkEnvironment
                 Key: FLINK-12213
                 URL: https://issues.apache.org/jira/browse/FLINK-12213
             Project: Flink
          Issue Type: Sub-task
          Components: Runtime / Network
            Reporter: zhijiang
            Assignee: zhijiang
             Fix For: 1.9.0


At the moment {{NetworkEnvironment#getNetworkBufferPool}} is called to add network related {{MetricGroup}}. In order to simplify the public API in {{NetworkEnvironment}} which is regarded as default {{ShuffleService}} implementation, we could pass the {{TaskManagerMetricGroup}} into constructor of {{NetworkEnvironment}}, then the related network {{MetricGroup}} could be added internally. 



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