[jira] [Commented] (FLINK-20305) Iterative job with maxWaitTimeMillis does not terminate

["Robert Metzger (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-20305?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17237578#comment-17237578 ] 

Robert Metzger commented on FLINK-20305:
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[~aljoscha] can you take a look and potentially adjust the priority of this ticket (Only if you make it a blocker, it'll be considered for delaying the next RC)

> Iterative job with maxWaitTimeMillis does not terminate
> -------------------------------------------------------
>
>                 Key: FLINK-20305
>                 URL: https://issues.apache.org/jira/browse/FLINK-20305
>             Project: Flink
>          Issue Type: Bug
>          Components: API / DataStream
>    Affects Versions: 1.12.0
>            Reporter: Till Rohrmann
>            Priority: Major
>              Labels: usability
>             Fix For: 1.12.0
>
>
> While testing the {{DataStream}} API, I noticed that an iterative job with {{maxWaitTimeMillis}} set, sometimes did not terminate depending on the used parallelism. Since I used a bounded source with few events, it looked a bit as if the iteration tasks couldn't terminate if they didn't receive an event. The corresponding testing job including test data can be found [here|https://github.com/tillrohrmann/flink-streaming-batch-execution/tree/iteration-problem].



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