[jira] [Commented] (SPARK-22085) When the applicationhas no core left，do not request more executors from the cluster manager in ExecutorAllocationManager

["Apache Spark (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-22085?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16174404#comment-16174404 ] 

Apache Spark commented on SPARK-22085:
--------------------------------------

User '10110346' has created a pull request for this issue:
https://github.com/apache/spark/pull/19303

> When the applicationhas no core left，do not request more executors  from the cluster manager in ExecutorAllocationManager
> -------------------------------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-22085
>                 URL: https://issues.apache.org/jira/browse/SPARK-22085
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>    Affects Versions: 2.3.0
>            Reporter: liuxian
>            Priority: Minor
>
> When the application has no core left，we should not request more executors  from the cluster manager in `ExecutorAllocationManager`.
> At this time, if not reach `spark.dynamicAllocation.maxExecutors`, `spark.dynamicAllocation.maxExecutors`setting is invalid in fact, so we should give a warning log.



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