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From "Amit Sela (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (BEAM-1562) Use a "poison pill" to stop streaming tests as they finish.
Date Wed, 01 Mar 2017 16:43:45 GMT

     [ https://issues.apache.org/jira/browse/BEAM-1562?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Amit Sela reassigned BEAM-1562:
-------------------------------

    Assignee: Amit Sela

> Use a "poison pill" to stop streaming tests as they finish.
> -----------------------------------------------------------
>
>                 Key: BEAM-1562
>                 URL: https://issues.apache.org/jira/browse/BEAM-1562
>             Project: Beam
>          Issue Type: Improvement
>          Components: runner-spark
>            Reporter: Amit Sela
>            Assignee: Amit Sela
>
> Streaming tests use a timeout that has to take a large enough buffer to avoid slow runtimes
stopping before test completes.
> We can introduce a "poison pill" based on an {{EndOfStream}} element that would be counted
in a Metrics/Aggregator to know all data was processed.
> This requires the Spark runner to stop blocking the execution of a streaming pipeline
until it's complete - which is something relevant to {{PipelineResult}} (re)design that is
being discussed in BEAM-849   



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