[ https://issues.apache.org/jira/browse/SPARK-32083?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wenchen Fan reassigned SPARK-32083: ----------------------------------- Assignee: Wenchen Fan > 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 > Assignee: Wenchen Fan > Priority: Minor > Fix For: 3.0.1, 3.1.0 > > > [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