Kent Yao created SPARK-23253:
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Summary: Only write shuffle temporary index file when there is not
an existing one
Key: SPARK-23253
URL: https://issues.apache.org/jira/browse/SPARK-23253
Project: Spark
Issue Type: Improvement
Components: Shuffle, Spark Core
Affects Versions: 2.2.1
Reporter: Kent Yao
Shuffle Index temporay file is used for atomic creating shuffle index file, it
is not needed when the index file already exists after another attempts of same
task had it done.
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