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Posted to issues@spark.apache.org by "Yang Jie (Jira)" <ji...@apache.org> on 2022/09/20 05:27:00 UTC

[jira] [Created] (SPARK-40494) Optimize the performance of `keys.zipWithIndex.toMap` code pattern

Yang Jie created SPARK-40494:
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             Summary: 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


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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