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From "zhijiang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (FLINK-12146) Remove unregister task from NetworkEnvironment to simplify the interface of ShuffleService
Date Tue, 09 Apr 2019 10:56:00 GMT
zhijiang created FLINK-12146:
--------------------------------

             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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