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https://issues.apache.org/jira/browse/SPARK-52989?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18011317#comment-18011317
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Anastasia Filippova commented on SPARK-52989:
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User 'dylanwong250' has created a pull request for this issue:
https://github.com/apache/spark/pull/51701
> Add explicit close API to RocksDB State store iterator and fix current usage
> ----------------------------------------------------------------------------
>
> Key: SPARK-52989
> URL: https://issues.apache.org/jira/browse/SPARK-52989
> Project: Spark
> Issue Type: Task
> Components: Structured Streaming
> Affects Versions: 4.1.0
> Reporter: Dylan Wong
> Priority: Major
>
> The iterator returned from RocksDB method does not expose close method
> (requires change of method signature - current it's {{{}Iterator{}}}) hence
> either caller has to ensure the iterator to be fully consumed or wait until
> end of task when task completion listener closes it. We need to add ability
> for the caller to close the iterator when the iterator is no longer needed.
>
> Also fix current usage of the iterator, to explicitly close when it is no
> longer needed.
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