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https://issues.apache.org/jira/browse/BEAM-11633?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17263826#comment-17263826
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Boyuan Zhang commented on BEAM-11633:
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Deprecating source framework is definitely the thing to do. That's also the
final step we want to take for GA. But before we are able to do that, we need
to make sure every source works fine on SDF structure, typically in Java
working with SDF wrapper. Here are some known issues so far:
https://issues.apache.org/jira/browse/BEAM-11403
https://issues.apache.org/jira/browse/BEAM-11328
> Steer people towards ParDo, SDF, instead of the original Source framework
> -------------------------------------------------------------------------
>
> Key: BEAM-11633
> URL: https://issues.apache.org/jira/browse/BEAM-11633
> Project: Beam
> Issue Type: Bug
> Components: website
> Reporter: Ahmet Altay
> Assignee: Boyuan Zhang
> Priority: P2
>
> People still write sources, where 90% of the time they shouldn't. We tell
> them [not
> to|https://beam.apache.org/documentation/io/developing-io-overview/], but we
> should do so more effectively. In particular, the instructions for the ParDo
> alternative suffer from not being able to name Reshuffle explicitly, when
> it's exactly what should be used here. It should also mention that the ParDo
> needs to be seeded by a Create step or similar.
> A big issue here is that Sources are called "Sources". When a new developer
> is looking to author a pipeline, this is the first place they will look,
> especially if they're just scanning or searching through documentation. We
> need to aggressively counteract the gravity of the current naming scheme.
> Suggestion: Improve the documentation mentioned above, and update the Javadoc
> for BoundedSource, etc., to steer people away from it. If they are part of
> the small collection of power users who need a source, they'll be okay.
> Suggestions for future work:
> - Consider deprecating source framework in favor of SDF.
> - Point to SDF docs (and simplify SDF docs)
> - Also many users can simply just use FileIO.matchAll followed by a ParDo.
> Recommend those types of alternatives.
> Assigning this to [~boyuanz] anyone could help here.
> /cc [~kenn][~chamikara][~reuvenlax][~robertwb][~rtnguyen]
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