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https://issues.apache.org/jira/browse/SPARK-54383?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chao Sun reassigned SPARK-54383:
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Assignee: Chirag Singh
> InternalRowComparableWrapper schema cache lookups slowing planning time
> -----------------------------------------------------------------------
>
> Key: SPARK-54383
> URL: https://issues.apache.org/jira/browse/SPARK-54383
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 4.0.1
> Reporter: Chirag Singh
> Assignee: Chirag Singh
> Priority: Major
> Labels: pull-request-available
>
> For KeyGroupedPartitioned scans, the InternalRowComparableWrapper does a
> cache lookup of the current data types to create a schema and ordering for
> the given types. When there are a large number of partitions, this cache
> lookup (which occurs in many places once per partition) can become a
> bottleneck on physical planning.
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