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https://issues.apache.org/jira/browse/BEAM-9935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17106757#comment-17106757
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Brian Hulette commented on BEAM-9935:
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Looks like https://github.com/apache/beam/pull/11688 was just merged for Java.
Assuming this is still a blocker until there's a corresponding change for Go?
> Resolve differences in allowed_split_point implementations
> ----------------------------------------------------------
>
> Key: BEAM-9935
> URL: https://issues.apache.org/jira/browse/BEAM-9935
> Project: Beam
> Issue Type: Bug
> Components: sdk-go, sdk-java-harness, sdk-py-harness
> Reporter: Luke Cwik
> Assignee: Robert Bradshaw
> Priority: Blocker
> Fix For: 2.22.0
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> [Java SDK
> harness|https://github.com/apache/beam/blob/d82d061aa303430f3d2853f397f3130fae6200cd/sdks/java/harness/src/main/java/org/apache/beam/fn/harness/BeamFnDataReadRunner.java#L223]
> doesn't support it yet which is also safe.
> [Go SDK
> harness|https://github.com/apache/beam/blob/d82d061aa303430f3d2853f397f3130fae6200cd/sdks/go/pkg/beam/core/runtime/exec/datasource.go#L273]
> only supports splits if points are specified and it doesn't use the fraction
> at all.
> [Python SDK
> harness|https://github.com/apache/beam/blob/d82d061aa303430f3d2853f397f3130fae6200cd/sdks/python/apache_beam/runners/worker/bundle_processor.py#L947]
> ignores the split points meaning that it may return an invalid split
> location based upon the runners limitations.
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