ChenjunZou commented on issue #28168: [SPARK-31395][CORE]reverse preferred location to make schedule more even URL: https://github.com/apache/spark/pull/28168#issuecomment-611502962 > From what you said, reversing will just switch the hot spot nodes to happen. the write pipeline is various。 It could be any two nodes。 the hot spot will be alliviated。
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