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https://issues.apache.org/jira/browse/SPARK-55973?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jungtaek Lim resolved SPARK-55973.
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Fix Version/s: 4.2.0
Resolution: Fixed
Issue resolved by pull request 54769
[https://github.com/apache/spark/pull/54769]
> Optimization around state in stream-stream join with LeftSemi join type
> -----------------------------------------------------------------------
>
> Key: SPARK-55973
> URL: https://issues.apache.org/jira/browse/SPARK-55973
> Project: Spark
> Issue Type: Improvement
> Components: Structured Streaming
> Affects Versions: 4.2.0
> Reporter: Jungtaek Lim
> Assignee: Jungtaek Lim
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.2.0
>
>
> We figured out there are still a couple paths of potential optimizations
> which could either bypass buffering rows or evict the state rows much earlier
> than now.
> This ticket tracks the effort to introduce the optimizations.
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