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Thomas Weise edited comment on BEAM-5713 at 10/11/18 11:23 PM: --------------------------------------------------------------- With parallelism 4, different result. !image-2018-10-11-16-20-45-221.png|width=100%! was (Author: thw): With parallelism 4, different result. !image-2018-10-11-16-20-45-221.png|width=100! > 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 > 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: 0.5h > 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. -- This message was sent by Atlassian JIRA (v7.6.3#76005)