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https://issues.apache.org/jira/browse/BEAM-4016?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16443139#comment-16443139
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Eugene Kirpichov commented on BEAM-4016:
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Can you clarify about calling it more times than expected? Do you mean that it
gets called more than once on the particular in-memory Java instance of the SDF
on which SplitRestriction is called?
> Direct runner incorrect lifecycle, @SplitRestriction should execute after
> @Setup on SplittableDoFn
> --------------------------------------------------------------------------------------------------
>
> Key: BEAM-4016
> URL: https://issues.apache.org/jira/browse/BEAM-4016
> Project: Beam
> Issue Type: Bug
> Components: runner-direct
> Affects Versions: 2.4.0
> Reporter: Ismaël Mejía
> Assignee: Thomas Groh
> Priority: Major
> Attachments: sdf-splitrestriction-lifeycle-test.patch
>
>
> The method annotated with @SplitRestriction is the method where we can define
> the RestrictionTrackers (splits) in advance in a SDF. It makes sense to
> execute this after the @Setup method given that usually connections are
> established at Setup and can be used to ask the different data stores about
> the partitioning strategy. I added a test for this in the
> SplittableDoFnTest.SDFWithLifecycle test.
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