[ 
https://issues.apache.org/jira/browse/BEAM-2421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16379653#comment-16379653
 ] 

Kenneth Knowles commented on BEAM-2421:
---------------------------------------

I misread the links above. It looks it is expected to be done for Python 
Dataflow anyhow.

> 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: 0.5h
>  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 -> ...



--
This message was sent by Atlassian JIRA
(v7.6.3#76005)

Reply via email to