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https://issues.apache.org/jira/browse/SPARK-34406?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17281560#comment-17281560
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hao commented on SPARK-34406:
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Yes, sir. I'm using the Yarn cluster mode. What I mean here is that when the 
spark client submits spark core to the remote yarn, it is submitted in the way 
of process, but this way consumes a lot of resources

> When we submit spark core tasks frequently, the submitted nodes will have a 
> lot of resource pressure
> ----------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-34406
>                 URL: https://issues.apache.org/jira/browse/SPARK-34406
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core
>    Affects Versions: 3.0.1
>            Reporter: hao
>            Priority: Major
>
> When we submit spark core tasks frequently, the submitted node will have a 
> lot of resource pressure, because spark will create a process instead of a 
> thread for each submitted task. In fact, there is a lot of resource 
> consumption. When the QPS of the submitted task is very high, the submission 
> will fail due to insufficient resources. I would like to ask how to optimize 
> the amount of resources consumed by spark core submission



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