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Posted to dev@flink.apache.org by "Stephan Ewen (JIRA)" <ji...@apache.org> on 2018/08/02 19:01:00 UTC

[jira] [Created] (FLINK-10033) Let Task release reference to Invokable on shutdown

Stephan Ewen created FLINK-10033:
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             Summary: Let Task release reference to Invokable on shutdown
                 Key: FLINK-10033
                 URL: https://issues.apache.org/jira/browse/FLINK-10033
             Project: Flink
          Issue Type: Bug
          Components: TaskManager
    Affects Versions: 1.5.2
            Reporter: Stephan Ewen
            Assignee: Stephan Ewen
             Fix For: 1.5.3, 1.6.0


References to Task objects may under some conditions linger longer than for the lifetime of the task. For example, in case of local network channels, the receiving task may have a reference to the object of the task that produced the data.

To prevent against memory leaks, the Task needs to release all references to its AbstractInvokable when it shuts down or cancels.




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