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https://issues.apache.org/jira/browse/SPARK-32911?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Apache Spark reassigned SPARK-32911:
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Assignee: Apache Spark
> UnsafeExternalSorter.SpillableIterator cannot spill after reading all records
> -----------------------------------------------------------------------------
>
> Key: SPARK-32911
> URL: https://issues.apache.org/jira/browse/SPARK-32911
> Project: Spark
> Issue Type: Bug
> Components: Spark Core
> Affects Versions: 2.4.7, 3.0.1
> Reporter: Tom van Bussel
> Assignee: Apache Spark
> Priority: Major
>
> No memory is freed after calling
> {{UnsafeExternalSorter.SpillableIterator.spill()}} when all records have been
> read, even though it is still holding onto some memory. This may starve other
> {{MemoryConsumer}}s of memory.
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