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From "Luke Cwik (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (BEAM-2421) Migrate Dataflow to use impulse primitive as the only root primitive
Date Wed, 07 Jun 2017 15:54:18 GMT

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

Luke Cwik updated BEAM-2421:
----------------------------
    Component/s:     (was: sdk-py)
                     (was: sdk-java-core)
                 runner-dataflow

> Migrate Dataflow 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-fn-api, beam-model-runner-api, runner-dataflow
>            Reporter: Luke Cwik
>
> 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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