[jira] [Created] (FLINK-4139) Yarn: Adjust parallelism and task slots correctly

[Shang Yuanchun (Jira)]

Maximilian Michels created FLINK-4139:
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             Summary: Yarn: Adjust parallelism and task slots correctly
                 Key: FLINK-4139
                 URL: https://issues.apache.org/jira/browse/FLINK-4139
             Project: Flink
          Issue Type: Bug
          Components: Client, YARN Client
    Affects Versions: 1.0.3, 1.1.0
            Reporter: Maximilian Michels
            Assignee: Maximilian Michels
            Priority: Minor
             Fix For: 1.1.0


The Yarn CLI should handle the following situations correctly:

- The user specifies no parallelism -> parallelism is adjusted to #taskSlots * #nodes.

- The user specifies parallelism but no #taskSlots or too few slots -> #taskSlots are set such that they meet the parallelism

These functionality has been present in Flink 1.0.x but there were some glitches in the implementation.



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