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https://issues.apache.org/jira/browse/SPARK-40494?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan resolved SPARK-40494.
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Fix Version/s: 3.4.0
Resolution: Fixed
Issue resolved by pull request 37940
[https://github.com/apache/spark/pull/37940]
> Optimize the performance of `keys.zipWithIndex.toMap` code pattern
> -------------------------------------------------------------------
>
> Key: SPARK-40494
> URL: https://issues.apache.org/jira/browse/SPARK-40494
> Project: Spark
> Issue Type: Improvement
> Components: MLlib, Spark Core, SQL
> Affects Versions: 3.4.0
> Reporter: Yang Jie
> Assignee: Yang Jie
> Priority: Minor
> Fix For: 3.4.0
>
>
> Similar as SPARK-40175, can use {{`while loop manually}} style` to optimize
> the performance of `keys.zipWithIndex.toMap` code pattern in Spark.
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