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https://issues.apache.org/jira/browse/BEAM-10395?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17173911#comment-17173911
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Beam JIRA Bot commented on BEAM-10395:
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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.
> Dataflow runner should deduplicate files to stage by destination
> -----------------------------------------------------------------
>
> Key: BEAM-10395
> URL: https://issues.apache.org/jira/browse/BEAM-10395
> Project: Beam
> Issue Type: Improvement
> Components: runner-dataflow
> Reporter: Steve Niemitz
> Assignee: Steve Niemitz
> Priority: P2
> Labels: stale-assigned
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> If a pipeline contains multiple files with the same destination path, the
> dataflow runner will try to stage them both in parallel, resulting in the
> upload usually failing (due to conflicting uploads).
> The runner should only upload one file per destination, and ideally check
> that the sources are the same as well.
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