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https://issues.apache.org/jira/browse/SPARK-52809?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SPARK-52809:
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Labels: pull-request-available (was: )
> Don't hold reader and iterator references for all partitions in task
> completion listeners for metric update
> -----------------------------------------------------------------------------------------------------------
>
> Key: SPARK-52809
> URL: https://issues.apache.org/jira/browse/SPARK-52809
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 3.4.4
> Reporter: L. C. Hsieh
> Priority: Major
> Labels: pull-request-available
>
> For each partition iterator, currently we add one task completion listener
> used to update final metrics if the task is stopped early. In the listener,
> the reader and iterator are held. So if the partition is normally exhausted,
> the references cannot be released early. It is a problem especially if the
> references are heavy as reported by
> https://github.com/apache/iceberg/issues/13297.
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