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Apache Spark commented on SPARK-32083: -------------------------------------- User 'manuzhang' has created a pull request for this issue: https://github.com/apache/spark/pull/28954 > Unnecessary tasks are launched when input is empty with AQE > ----------------------------------------------------------- > > Key: SPARK-32083 > URL: https://issues.apache.org/jira/browse/SPARK-32083 > Project: Spark > Issue Type: Improvement > Components: SQL > Affects Versions: 3.0.0 > Reporter: Manu Zhang > Priority: Minor > > [https://github.com/apache/spark/pull/28226] meant to avoid launching > unnecessary tasks for 0-size partitions when AQE is enabled. However, when > all partitions are empty, the number of partitions will be > `spark.sql.adaptive.coalescePartitions.initialPartitionNum` and (a lot of) > unnecessary tasks are launched in this case. -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org