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https://issues.apache.org/jira/browse/FLINK-12152?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16824186#comment-16824186
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Till Rohrmann commented on FLINK-12152:
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[~Paul Lin], could you try wether the problem (modulo FLINK-8902) also occurs
with the latest Flink version ({{1.8.0}})?
[~yanghua] it would be good to understand what the individual akka threads are
doing. If you could profile the problematic execution then this could be very
helpful.
> 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
> Priority: Major
>
> 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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