ChenjunZou edited a comment on issue #28168: [SPARK-31395][CORE]reverse preferred location to make schedule more even URL: https://github.com/apache/spark/pull/28168#issuecomment-611477302 > @ChenjunZou Can you explain why and how it schedule evenly? I can't follow why. Also, please keep the Github PR template (https://github.com/apache/spark/blob/master/.github/PULL_REQUEST_TEMPLATE). Thanks for reminding that. TaskSetManager will first seek the free executors in xxx.02 xxx.04 xxx.05, then executors in xxx.93 because they are process_locality level. After that, It schedules to higher locality level.
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