L. C. Hsieh created SPARK-52609:
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Summary: Make sure row sorter from each task won't be overwritten
by other tasks
Key: SPARK-52609
URL: https://issues.apache.org/jira/browse/SPARK-52609
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 4.1.0
Reporter: L. C. Hsieh
By working some POCs, we found that indeterministically strange errors
happened, like SIGSEV, from the external sorter class. We figured that the
usage of it in SortExec is not thread-safe.
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