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Posted to issues@spark.apache.org by "Tom van Bussel (Jira)" <ji...@apache.org> on 2020/09/17 12:07:00 UTC

[jira] [Created] (SPARK-32911) UnsafeExternalSorter.SpillableIterator cannot spill after reading all records

Tom van Bussel created SPARK-32911:
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             Summary: 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: 3.0.1, 2.4.7
            Reporter: Tom van Bussel


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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