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https://issues.apache.org/jira/browse/BEAM-75?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17545933#comment-17545933
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Danny McCormick commented on BEAM-75:
-------------------------------------
This isn't actually real, but this issue has been migrated to
https://github.com/apache/beam/issues/17844
> Running tests of dynamic work rebalancing
> -----------------------------------------
>
> Key: BEAM-75
> URL: https://issues.apache.org/jira/browse/BEAM-75
> Project: Beam
> Issue Type: New Feature
> Components: sdk-java-core
> Reporter: Dan Halperin
> Priority: P3
> Labels: Clarified
>
> SourceTestUtils has an exhaustive test for splitAtFraction. However, we
> should also add a runner-independent test that, for example, can verify that
> dynamic work rebalancing is actually invoked for a new BoundedSource.
> An example of this test was proposed in
> https://github.com/GoogleCloudPlatform/DataflowJavaSDK/blob/master/sdk/src/test/java/com/google/cloud/dataflow/sdk/transforms/GroupByKeyTest.java#L435
> , but was specific to the Google Cloud Dataflow service.
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