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https://issues.apache.org/jira/browse/BEAM-1780?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15938854#comment-15938854
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ASF GitHub Bot commented on BEAM-1780:
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Github user asfgit closed the pull request at:
https://github.com/apache/beam/pull/2298
> BigtableReader.splitIntoFraction should more carefully guard input
> ------------------------------------------------------------------
>
> Key: BEAM-1780
> URL: https://issues.apache.org/jira/browse/BEAM-1780
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-gcp
> Reporter: Daniel Halperin
> Assignee: Daniel Halperin
> Fix For: First stable release
>
>
> The contract for {{splitIntoFraction}} is that it should only throw if the
> reader is in an unknown, bad state. The proper way to reject invalid or
> unsatisfiable split requests is to return {{null}}.
> However, {{BigtableIO.Read}} will currently throw for simply invalid input it
> should reject. This can lead to less effective dynamic work rebalancing and
> even stuck jobs.
> Related to, but probably not a complete solution for, [BEAM-1751].
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