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From "Davor Bonaci (JIRA)" <>
Subject [jira] [Updated] (BEAM-604) Use Watermark Check Streaming Job Finish in TestDataflowRunner
Date Wed, 28 Dec 2016 22:21:58 GMT


Davor Bonaci updated BEAM-604:
    Component/s: runner-dataflow

> Use Watermark Check Streaming Job Finish in TestDataflowRunner
> --------------------------------------------------------------
>                 Key: BEAM-604
>                 URL:
>             Project: Beam
>          Issue Type: Improvement
>          Components: runner-dataflow
>            Reporter: Mark Liu
>            Assignee: Mark Liu
>            Priority: Minor
>             Fix For: 0.3.0-incubating
> Currently, streaming job with bounded input can't be terminated automatically and TestDataflowRunner
can't handle this case. Need to update TestDataflowRunner so that streaming integration test
such as WindowedWordCountIT can run with it.
> Implementation:
> Query watermark of each step and wait until all watermarks set to MAX then cancel the
> Update:
> Suggesting by [], implement checkMaxWatermark in DataflowPipelineJob#waitUntilFinish.
Thus, all dataflow streaming jobs with bounded input will take advantage of this change and
are canceled automatically when watermarks reach to max value. Also Dataflow runners can keep
simple and free from handling batch and streaming two cases.
> Update:
> Pipeline author should have control on whether or not canceling streaming job and when.
Test framework is a better place to auto-cancel streaming test job when curtain conditions
meet, rather than in waitUntilFinish().

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