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https://issues.apache.org/jira/browse/BEAM-10395?focusedWorklogId=456253&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-456253
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ASF GitHub Bot logged work on BEAM-10395:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 08/Jul/20 17:23
Start Date: 08/Jul/20 17:23
Worklog Time Spent: 10m
Work Description: pabloem commented on pull request #12144:
URL: https://github.com/apache/beam/pull/12144#issuecomment-655651862
taking a look today
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Issue Time Tracking
-------------------
Worklog Id: (was: 456253)
Time Spent: 20m (was: 10m)
> 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
> Time Spent: 20m
> 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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