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https://issues.apache.org/jira/browse/FLINK-5018?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tzu-Li (Gordon) Tai updated FLINK-5018:
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Summary: User configurable source idle timeout to work with StreamStatus
emitting (was: User configurable source idle timeout to work with
WatermarkStatus emitting)
> User configurable source idle timeout to work with StreamStatus emitting
> ------------------------------------------------------------------------
>
> Key: FLINK-5018
> URL: https://issues.apache.org/jira/browse/FLINK-5018
> Project: Flink
> Issue Type: Sub-task
> Components: Streaming
> Reporter: Tzu-Li (Gordon) Tai
>
> There are 2 cases where sources are considered idle and should emit an idle
> {{WatermarkStatus}} downstream, taking Kafka consumer as example:
> - The source instance was not assigned any partitions
> - The source instance was assigned partitions, but they currently don't have
> any data.
> For the second case, we can only consider it idle after a timeout threshold.
> It would be good to make this timeout user configurable besides a default
> value.
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