JoshRosen commented on issue #24127: [SPARK-27186][CORE] optimize sortshuffle write URL: https://github.com/apache/spark/pull/24127#issuecomment-511229361 Is this actually a performance issue in practice? I see that the JIRA (https://issues.apache.org/jira/browse/SPARK-27186) was closed as "Won't Fix". If this proposed change doesn't give us significant benefit then I'm in favor of skipping it, mostly from a change/risk-management perspective.
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