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https://issues.apache.org/jira/browse/BEAM-8439?focusedWorklogId=331365&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-331365
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ASF GitHub Bot logged work on BEAM-8439:
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                Author: ASF GitHub Bot
            Created on: 21/Oct/19 11:37
            Start Date: 21/Oct/19 11:37
    Worklog Time Spent: 10m 
      Work Description: je-ik commented on issue #9841: [BEAM-8439] enable 
empty bundles in ParDoLifecycleTest
URL: https://github.com/apache/beam/pull/9841#issuecomment-544475075
 
 
   @mxm I'm not sure if I follow - how would this change avoid creating empty 
bundles at the end of input, when watermark might move to the "infinity"? 
Couldn't this end up in the same situation?
   I'm not sure if a bundle creation time should be a concern here, because if 
an "empty bundle" is created, then it pretty much signals, that the pipeline is 
somewhat "empty" - e.g. it has too high parallelism, or no data is not flowing 
in. In either case, the performance of creating empty bundle should be 
negligible (because these will not be created too often).
   My biggest concern here would be, if modifying the test is actually aligned 
with Beam's model. I'll rise a question on mailing list and then we can decide 
what to do.
 
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Issue Time Tracking
-------------------

    Worklog Id:     (was: 331365)
    Time Spent: 1h 10m  (was: 1h)

> Flink fails ParDoLifecycleTests
> -------------------------------
>
>                 Key: BEAM-8439
>                 URL: https://issues.apache.org/jira/browse/BEAM-8439
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-flink
>            Reporter: Jan Lukavský
>            Assignee: Jan Lukavský
>            Priority: Major
>          Time Spent: 1h 10m
>  Remaining Estimate: 0h
>
> ParDoLifecycleTest.testTeardownCalledAfterExceptionInFinishBundleStateful 
> fails consistently
>  



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