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https://issues.apache.org/jira/browse/FLINK-8711?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16369829#comment-16369829
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Aljoscha Krettek commented on FLINK-8711:
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I think the original reasoning behind this is that it would lead to unused
resources if Flink allowed specifying a number of slots where {{num task
managers * num slots}} is different from {{parallelism}}.
[~till.rohrmann] What's the behaviour of the new FLIP-6 code regarding this?
> Flink with YARN uses wrong SlotsPerTaskManager
> ----------------------------------------------
>
> Key: FLINK-8711
> URL: https://issues.apache.org/jira/browse/FLINK-8711
> Project: Flink
> Issue Type: Bug
> Components: YARN
> Affects Versions: 1.3.2
> Reporter: Aleksandr
> Priority: Major
>
> I see wrong behavior for Flink in YARN.
> I tried to setup SlotsPerTaskManager using "-ys 2 ", but it used only 1 slot.
> I found the code
> [https://github.com/apache/flink/blob/master/flink-yarn/src/main/java/org/apache/flink/yarn/cli/FlinkYarnSessionCli.java#L387]
> For example, when I have :"-yn 7 -ys 2 -p 2" in log I see:
> "The YARN cluster has 14 slots available, but the user requested a
> parallelism of 2 on YARN. Each of the 7 TaskManagers will get 1 slots."
> Why can't we use -ys with -p?
>
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