Ufuk Celebi created FLINK-1810:
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Summary: UpdateTask message contains unused information
Key: FLINK-1810
URL: https://issues.apache.org/jira/browse/FLINK-1810
Project: Flink
Issue Type: Improvement
Components: Distributed Runtime
Affects Versions: master
Reporter: Ufuk Celebi
Priority: Minor
When deploying tasks to a task manager it not guaranteed that all results are
already consumable. In such cases, the InputGate of the receiver creates
"UnknownInputChannel" instances, which are updated during runtime to Local- or
RemoteInputChannel instances.
The UpdateTask Akka message which triggers this update contains unused
information (the producing task's execution attempt ID) to identify which
channel to update. I found this confusing when looking over the code and
actually thought that it was a bug (because the unused information was actually
erroneous).
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