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https://issues.apache.org/jira/browse/BEAM-2421?focusedWorklogId=79714&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-79714
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ASF GitHub Bot logged work on BEAM-2421:
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Author: ASF GitHub Bot
Created on: 13/Mar/18 02:34
Start Date: 13/Mar/18 02:34
Worklog Time Spent: 10m
Work Description: tgroh commented on issue #4776: [BEAM-2421] Add impulse
override for read transforms
URL: https://github.com/apache/beam/pull/4776#issuecomment-372526586
retest this please
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Issue Time Tracking
-------------------
Worklog Id: (was: 79714)
Time Spent: 4h 20m (was: 4h 10m)
> 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
> Priority: Major
> Labels: portability
> Time Spent: 4h 20m
> Remaining Estimate: 0h
>
> 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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