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https://issues.apache.org/jira/browse/BEAM-7220?focusedWorklogId=237910&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-237910
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ASF GitHub Bot logged work on BEAM-7220:
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Author: ASF GitHub Bot
Created on: 06/May/19 16:56
Start Date: 06/May/19 16:56
Worklog Time Spent: 10m
Work Description: mxm commented on issue #8491: [BEAM-7220] add
JavaReadViaImpulse substitution to Java expansion service
URL: https://github.com/apache/beam/pull/8491#issuecomment-489692644
>Also, will this break the read of unbounded sources?
Good point. I think it will. Support for unbounded sources was the reason we
wanted to Runner-translate Reads instead of going through an ExecutableStage.
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Issue Time Tracking
-------------------
Worklog Id: (was: 237910)
Time Spent: 40m (was: 0.5h)
> add JavaReadViaImpulse substitution to Java expansion service
> -------------------------------------------------------------
>
> Key: BEAM-7220
> URL: https://issues.apache.org/jira/browse/BEAM-7220
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-core
> Reporter: Heejong Lee
> Assignee: Heejong Lee
> Priority: Major
> Time Spent: 40m
> Remaining Estimate: 0h
>
> Read transform is not supported in the portability framework.
> `PortableRunner` substitutes Read transform with Impulse + DoFn before it
> submits a pipeline to JobServer. However, when ExternalTransform is used,
> this substitution logic doesn't work. Looks like it should be done in the
> expansion service instead until we completely remove JavaReadViaImpulse hack.
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