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https://issues.apache.org/jira/browse/BEAM-12040?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17370287#comment-17370287
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Beam JIRA Bot commented on BEAM-12040:
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This issue is assigned but has not received an update in 30 days so it has been
labeled "stale-assigned". If you are still working on the issue, please give an
update and remove the label. If you are no longer working on the issue, please
unassign so someone else may work on it. In 7 days the issue will be
automatically unassigned.
> WriteFiles withRunnerDeterminedSharding for unbounded data doesn't work with
> merging windows
> --------------------------------------------------------------------------------------------
>
> Key: BEAM-12040
> URL: https://issues.apache.org/jira/browse/BEAM-12040
> Project: Beam
> Issue Type: Improvement
> Components: io-java-files
> Reporter: Siyuan Chen
> Assignee: Siyuan Chen
> Priority: P2
> Labels: stale-assigned
> Time Spent: 5h 50m
> Remaining Estimate: 0h
>
> Currently the implementation of `withRunnerDeterminedShardingUnbounded` uses
> a stateful DoFn to achieve the grouping and batching of the input elements,
> which doesn't support session windows. One possible way is to add another GBK
> prior to the stateful DoFn to first get session windows merged and reify the
> window before invoking the sateful DoFn.
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