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https://issues.apache.org/jira/browse/SPARK-44472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17780741#comment-17780741
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Izek Greenfield commented on SPARK-44472:
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Hi, Any comments about this?
> change the external catalog thread safety way
> ---------------------------------------------
>
> Key: SPARK-44472
> URL: https://issues.apache.org/jira/browse/SPARK-44472
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 3.4.1
> Reporter: Izek Greenfield
> Priority: Major
> Attachments: add_hive_concurrent_connections.diff
>
>
> We test changing the sync of the external catalog to use thread-local instead
> of the synchronized methods.
> in our tests, it improve the runtime of parallel actions by about 45% for
> certain workload ** (time reduced from ~15min to ~9min)
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