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https://issues.apache.org/jira/browse/FLINK-5903?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15948276#comment-15948276
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ASF GitHub Bot commented on FLINK-5903:
---------------------------------------
Github user WangTaoTheTonic commented on the issue:
https://github.com/apache/flink/pull/3408
@tillrohrmann
After changing code the test results(both session and single mode) is like:
| Configurations | #vcores of container(TM) |
#slots of TM |
| ---------------------------------------- | ------------------------ |
------------ |
| -s/-ys 5, yarn.containers.vcores: 4, taskmanager.numberOfTaskSlots: 3 |
4 | 5 |
| yarn.containers.vcores: 4, taskmanager.numberOfTaskSlots: 3 | 4
| 3 |
| yarn.containers.vcores: 4 | 4 | 1
|
| -s/-ys 5, taskmanager.numberOfTaskSlots: 3 | 5 |
5 |
| taskmanager.numberOfTaskSlots: 3 | 3 | 3
|
| Nothing to specify, all use default | 1 | 1
|
Please check :)
> taskmanager.numberOfTaskSlots and yarn.containers.vcores did not work well in
> YARN mode
> ---------------------------------------------------------------------------------------
>
> Key: FLINK-5903
> URL: https://issues.apache.org/jira/browse/FLINK-5903
> Project: Flink
> Issue Type: Sub-task
> Components: YARN
> Reporter: Tao Wang
> Assignee: Tao Wang
> Attachments: set taskmanager.numberOfTaskSlots to 6.JPG, set
> yarn.container.vcores to 5_JM.JPG, set yarn.container.vcores to 5_RM.JPG
>
>
> Now Flink did not respect taskmanager.numberOfTaskSlots and
> yarn.containers.vcores in flink-conf.yaml, but only -s parameter in CLI.
> Details is that taskmanager.numberOfTaskSlots is not working in anyway
> andyarn.containers.vcores is only used in requesting container(TM) resources
> but not aware to TM, which means TM will always think it has default(1) Slots
> if -s is not configured.
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