[jira] [Commented] (FLINK-5018) Make source idle timeout user configurable

["Tzu-Li (Gordon) Tai (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-5018?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16334210#comment-16334210 ] 

Tzu-Li (Gordon) Tai commented on FLINK-5018:
--------------------------------------------

We've had a few users asking for this feature.
Putting {{1.5.0}} as the fix version.

> Make source idle timeout user configurable
> ------------------------------------------
>
>                 Key: FLINK-5018
>                 URL: https://issues.apache.org/jira/browse/FLINK-5018
>             Project: Flink
>          Issue Type: Sub-task
>          Components: DataStream API
>            Reporter: Tzu-Li (Gordon) Tai
>            Priority: Major
>             Fix For: 1.5.0
>
>
> There are 2 cases where sources are considered idle and should emit an idle {{StreamStatus}} 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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