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https://issues.apache.org/jira/browse/SPARK-46052?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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wuyi updated SPARK-46052:
-------------------------
Description:
Spark has two functions to kill all tasks in a Stage:
* `cancelTasks`: Not only kill all the running tasks in all the stage attempts
but also abort all the stage attempts
* `killAllTaskAttempts`: Only kill all the running tasks in all the stage
attemtps but won't abort the attempts.
However, there's no use case in Spark that a stage would launch new tasks after
its all tasks get killed. So I think we can replace `killAllTaskAttempts` with
`cancelTasks` directly.
was:killAllTaskAttempts can be replaced with cancelTasks
> Remove unnecessary TaskScheduler.killAllTaskAttempts
> ----------------------------------------------------
>
> Key: SPARK-46052
> URL: https://issues.apache.org/jira/browse/SPARK-46052
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 3.0.3, 3.1.3, 3.2.4, 3.3.3, 3.4.1, 3.5.0
> Reporter: wuyi
> Priority: Major
> Labels: pull-request-available
>
> Spark has two functions to kill all tasks in a Stage:
> * `cancelTasks`: Not only kill all the running tasks in all the stage
> attempts but also abort all the stage attempts
> * `killAllTaskAttempts`: Only kill all the running tasks in all the stage
> attemtps but won't abort the attempts.
> However, there's no use case in Spark that a stage would launch new tasks
> after its all tasks get killed. So I think we can replace
> `killAllTaskAttempts` with `cancelTasks` directly.
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