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Apache Spark commented on SPARK-37949: -------------------------------------- User 'ulysses-you' has created a pull request for this issue: https://github.com/apache/spark/pull/35235 > Improve Rebalance statistics estimation > --------------------------------------- > > Key: SPARK-37949 > URL: https://issues.apache.org/jira/browse/SPARK-37949 > Project: Spark > Issue Type: Improvement > Components: SQL > Affects Versions: 3.3.0 > Reporter: XiDuo You > Priority: Major > > The defualt statistics estimation only consider the size in bytes, which may > lost the row rount and columns statistics. > The `RebalancePartitions` actually does not change the statistics of plan, so > we can use the statistics of its child for more accurate. -- This message was sent by Atlassian Jira (v8.20.1#820001) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org