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https://issues.apache.org/jira/browse/BEAM-5713?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Maximilian Michels resolved BEAM-5713.
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Resolution: Won't Fix
Fix Version/s: Not applicable
I'm closing this because the fix can only be made upstream in Flink.
> Flink portable runner schedules all tasks of streaming job on same task
> manager
> -------------------------------------------------------------------------------
>
> Key: BEAM-5713
> URL: https://issues.apache.org/jira/browse/BEAM-5713
> Project: Beam
> Issue Type: Bug
> Components: runner-flink
> Affects Versions: 2.8.0
> Reporter: Thomas Weise
> Assignee: Maximilian Michels
> Priority: Major
> Labels: portability, portability-flink
> Fix For: Not applicable
>
> Attachments: Different SlotSharingGroup.png, With
> RichParallelSourceFunction and parallelism 5.png,
> image-2018-10-11-11-43-50-333.png, image-2018-10-11-16-20-45-221.png
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> The cluster has 9 task managers and 144 task slots total. A simple streaming
> pipeline with parallelism of 8 will get all tasks scheduled on the same task
> manager, causing the host to be fully booked and the remaining cluster idle.
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