Dejan Krakovic created SPARK-57185:
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Summary: 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
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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