[jira] [Created] (FLINK-11573) Make StreamTask properly handle the SUSPEND message.

[Shang Yuanchun (Jira)]

Kostas Kloudas created FLINK-11573:
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             Summary: Make StreamTask properly handle the SUSPEND message.
                 Key: FLINK-11573
                 URL: https://issues.apache.org/jira/browse/FLINK-11573
             Project: Flink
          Issue Type: Sub-task
          Components: Core, Streaming, TaskManager
    Affects Versions: 1.8.0
            Reporter: Kostas Kloudas
            Assignee: Kostas Kloudas
             Fix For: 1.8.0


In this case, the {{StreamTask}} has to;
- launch the checkpointing process
- wait until also for the checkpoint notification callback to be successfully executed
- make sure no elements are processed by downstream operators (req. for exactly-once with idempotent updates)
- do not call {{close()}}
- let the job go gracefully to {{FINISHED}}




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