[jira] [Created] (FLINK-12152) Make the vcore that Application Master used configurable for Flink on YARN

[Shang Yuanchun (Jira)]

vinoyang created FLINK-12152:
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             Summary: Make the vcore that Application Master used configurable for Flink on YARN
                 Key: FLINK-12152
                 URL: https://issues.apache.org/jira/browse/FLINK-12152
             Project: Flink
          Issue Type: Improvement
          Components: Deployment / YARN
            Reporter: vinoyang
            Assignee: vinoyang


Now, for Flink on YARN deployment mode, each am's vcores is specified to 1 (hard code).

In some scene, we found many Akka timeout logs, the Flink web UI cannot be opened, but it is alive. I think there is no more threads resource to be used for am. So we suggest that make the vcores num of application master can be configurable.



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