Tzu-Li (Gordon) Tai created FLINK-5716:
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Summary: Make streaming SourceContexts aware of source idleness
Key: FLINK-5716
URL: https://issues.apache.org/jira/browse/FLINK-5716
Project: Flink
Issue Type: Sub-task
Components: Streaming
Reporter: Tzu-Li (Gordon) Tai
Assignee: Tzu-Li (Gordon) Tai
This task comes after FLINK-5017, which adds the new element {{StreamStatus}}
to be incorporated with watermark progression logic.
This task tracks the implementation of source idleness awareness and status
toggling in {{SourceFunction.SourceContext}}s.
The source contexts should work on an "idle interval", where we determine the
containing {{SourceStreamTask}} to be idle if no new records / watermarks have
been collected in-between 2 continuous checks. (default value is 0. Letting
this value be user configurable is tracked by FLINK-5018).
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