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https://issues.apache.org/jira/browse/SPARK-57185?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wenchen Fan resolved SPARK-57185.
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Resolution: Fixed
Issue resolved by pull request 56236
[https://github.com/apache/spark/pull/56236]
> Use thread-local ICU collators to fix lock contention in CollationFactory
> -------------------------------------------------------------------------
>
> Key: SPARK-57185
> URL: https://issues.apache.org/jira/browse/SPARK-57185
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 4.2.0
> Reporter: Dejan Krakovic
> Assignee: Dejan Krakovic
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.2.0
>
>
> Use thread-local Collator instances in CollationSpecICU.buildCollation()
> comparator and sortKeyFunction lambdas to eliminate lock contention on ICU's
> RuleBasedCollator
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