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https://issues.apache.org/jira/browse/BEAM-5713?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16645821#comment-16645821
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Thomas Weise commented on BEAM-5713:
------------------------------------
Can be reproduced with branch:
https://github.com/lyft/beam/tree/micah_process_streaming_leak
Simplified single task pipeline:
https://gist.github.com/tweise/09ec82446f74bb534d488209ad88e75f
> 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
> Priority: Major
> Labels: portability, portability-flink
>
> 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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