[jira] [Created] (REEF-1684) Propagate CancellationToken to Wake TCP connection utils

["Mariia Mykhailova (JIRA)" <ji...@apache.org>]

Mariia Mykhailova created REEF-1684:
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             Summary: Propagate CancellationToken to Wake TCP connection utils
                 Key: REEF-1684
                 URL: https://issues.apache.org/jira/browse/REEF-1684
             Project: REEF
          Issue Type: Improvement
          Components: IMRU
            Reporter: Mariia Mykhailova


In REEF-1464 we found out that IMRU task cancellation doesn't work properly if the task is in TCP connection establishment phase. 
Instead of task stopping fast, it goes through all the connection retries even though the task it's trying to connect to
might be already closed. This might take considerable time, depending on settings of {{MaxConnectionRetry}} and {{SleepTime}}.

We need to fix this so that task will get cancelled faster even if task is in TCP connection establishment phase.
To do this, we need to investigate retry policies which can be used in {{RemoteConnectionRetryHandler}}.



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