[jira] [Created] (FLINK-12146) Remove unregister task from NetworkEnvironment to simplify the interface of ShuffleService

[Shang Yuanchun (Jira)]

zhijiang created FLINK-12146:
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             Summary: Remove unregister task from NetworkEnvironment to simplify the interface of ShuffleService
                 Key: FLINK-12146
                 URL: https://issues.apache.org/jira/browse/FLINK-12146
             Project: Flink
          Issue Type: Sub-task
          Components: Runtime / Network
            Reporter: zhijiang
            Assignee: zhijiang


The current {{NetworkEnvironment}} would be the default {{ShuffleService}} implementation in task manager. In order to make the interface simple, we try to avoid more interactive with {{NetworkEnvironment}}.

{{NetworkEnvironment#unregisterTask}} is used for closing partition/gate and releasing partition from {{ResultPartitionManager}}. partition/gate close could be done in task which already maintains the arrays of them. Further we could release partition from {{ResultPartitionManager}} inside {{ResultPartition}} via introducing {{ResultPartition#close(Throwable)}}. To do so, the {{NetworkEnvironment#unregisterTask}} could be totally replaced to remove.



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