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https://issues.apache.org/jira/browse/BEAM-771?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15586628#comment-15586628
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ASF GitHub Bot commented on BEAM-771:
-------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/incubator-beam/pull/1128
> UnboundedReadEvaluator should reuse the input reader if it contains no
> elements
> -------------------------------------------------------------------------------
>
> Key: BEAM-771
> URL: https://issues.apache.org/jira/browse/BEAM-771
> Project: Beam
> Issue Type: Bug
> Reporter: Thomas Groh
> Assignee: Thomas Groh
>
> The UnboundedReadEvaluator checks, after it obtains the reader, that the
> reader contains elements, and terminates without taking a new checkpoint if
> not. It must also (but currently does not) add that reader and shard back as
> a residual element.
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