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Posted to commits@beam.apache.org by "Henning Rohde (JIRA)" <ji...@apache.org> on 2018/01/22 22:14:01 UTC

[jira] [Closed] (BEAM-2421) Migrate Apache Beam to use impulse primitive as the only root primitive

     [ https://issues.apache.org/jira/browse/BEAM-2421?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Henning Rohde closed BEAM-2421.
-------------------------------
       Resolution: Fixed
    Fix Version/s: 2.3.0

> Migrate Apache Beam to use impulse primitive as the only root primitive
> -----------------------------------------------------------------------
>
>                 Key: BEAM-2421
>                 URL: https://issues.apache.org/jira/browse/BEAM-2421
>             Project: Beam
>          Issue Type: Improvement
>          Components: beam-model
>            Reporter: Luke Cwik
>            Assignee: Eugene Kirpichov
>            Priority: Major
>              Labels: portability
>             Fix For: 2.3.0
>
>
> The impulse source emits a single byte array element within the global window.
> This is in preparation for using SDF as the replacement for different bounded and unbounded source implementations.
> Before:
> Read(Source) -> ParDo -> ...
> Impulse -> SDF(Source) -> ParDo -> ...



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