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https://issues.apache.org/jira/browse/SPARK-48314?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jungtaek Lim resolved SPARK-48314.
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Fix Version/s: 4.0.0
Resolution: Fixed
Issue resolved by pull request 46627
[https://github.com/apache/spark/pull/46627]
> FileStreamSource shouldn't double cache files for availableNow
> --------------------------------------------------------------
>
> Key: SPARK-48314
> URL: https://issues.apache.org/jira/browse/SPARK-48314
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 3.5.1
> Reporter: Adam Binford
> Assignee: Adam Binford
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
>
> FileStreamSource loads and saves all files at initialization for
> Trigger.AvailableNow. However files will also be cached in unreadFiles, which
> is a waste and causes issues identified in
> https://issues.apache.org/jira/browse/SPARK-44924 for streams that are
> reading more than 10k files per batch. We should always skip using the
> unreadFiles cache when using available now trigger, as there is no need for
> it anyway.
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