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Posted to issues@spark.apache.org by "Izek Greenfield (Jira)" <ji...@apache.org> on 2023/10/29 15:12:00 UTC

[jira] [Commented] (SPARK-44472) change the external catalog thread safety way

    [ https://issues.apache.org/jira/browse/SPARK-44472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17780741#comment-17780741 ] 

Izek Greenfield commented on SPARK-44472:
-----------------------------------------

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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