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https://issues.apache.org/jira/browse/SPARK-33347?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jungtaek Lim resolved SPARK-33347.
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Fix Version/s: 3.1.0
Resolution: Fixed
Issue resolved by pull request 30251
[https://github.com/apache/spark/pull/30251]
> Clean up useless variables in MutableApplicationInfo
> ----------------------------------------------------
>
> Key: SPARK-33347
> URL: https://issues.apache.org/jira/browse/SPARK-33347
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 3.1.0
> Reporter: Yang Jie
> Assignee: Yang Jie
> Priority: Major
> Fix For: 3.1.0
>
>
>
> {code:java}
> private class MutableApplicationInfo {
> var id: String = null
> var name: String = null
> var coresGranted: Option[Int] = None
> var maxCores: Option[Int] = None
> var coresPerExecutor: Option[Int] = None
> var memoryPerExecutorMB: Option[Int] = None
> def toView(): ApplicationInfoWrapper = {
> val apiInfo = ApplicationInfo(id, name, coresGranted, maxCores,
> coresPerExecutor,
> memoryPerExecutorMB, Nil)
> new ApplicationInfoWrapper(apiInfo, List(attempt.toView()))
> }
> }
> {code}
>
> coresGranted, maxCores, coresPerExecutor and memoryPerExecutorMB always None
> and never reassign
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