[jira] [Created] (FLINK-12067) Refactor the constructor of NetworkEnvironment

[Shang Yuanchun (Jira)]

zhijiang created FLINK-12067:
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             Summary: Refactor the constructor of NetworkEnvironment
                 Key: FLINK-12067
                 URL: https://issues.apache.org/jira/browse/FLINK-12067
             Project: Flink
          Issue Type: Sub-task
          Components: Runtime / Network
            Reporter: zhijiang
            Assignee: zhijiang


The constructor of {{NetworkEnvironment}} could be refactored to only contain {{NetworkEnvironmentConfiguration}}, the other related components such as {{TaskEventDispatcher}}, {{ResultPartitionManager}}, {{NetworkBufferPool}} could be created internally.

We also refactor the process of generating {{NetworkEnvironmentConfiguration}} in {{TaskManagerServiceConfiguration}} to add {{numNetworkBuffers}} instead of previous {{networkBufFraction}}, {{networkBufMin}}, {{networkBufMax}}.

Further we introduce the {{NetworkEnvironmentConfigurationBuilder}} for creating {{NetworkEnvironmentConfiguration}} easily especially for tests.



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