[jira] [Assigned] (SPARK-37753) DynamicJoinSelection.shouldDemoteBroadcastHashJoin should apply to left outer with join many empty partitions on the left
[ https://issues.apache.org/jira/browse/SPARK-37753?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Apache Spark reassigned SPARK-37753: Assignee: Apache Spark > DynamicJoinSelection.shouldDemoteBroadcastHashJoin should apply to left outer > with join many empty partitions on the left > - > > Key: SPARK-37753 > URL: https://issues.apache.org/jira/browse/SPARK-37753 > Project: Spark > Issue Type: Improvement > Components: SQL >Affects Versions: 2.4.8 >Reporter: Eugene Koifman >Assignee: Apache Spark >Priority: Major > > if {{DynamicJoinSelection}} sees a LOJ where there are many empty partitions > on the left, we want to run it as a shuffle join so that tasks with empty LHS > short circuit quickly. > So we should inhibit Broadcast join. > This is a follow up to SPARK-37193 -- 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
[jira] [Assigned] (SPARK-37753) DynamicJoinSelection.shouldDemoteBroadcastHashJoin should apply to left outer with join many empty partitions on the left
[ https://issues.apache.org/jira/browse/SPARK-37753?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Apache Spark reassigned SPARK-37753: Assignee: (was: Apache Spark) > DynamicJoinSelection.shouldDemoteBroadcastHashJoin should apply to left outer > with join many empty partitions on the left > - > > Key: SPARK-37753 > URL: https://issues.apache.org/jira/browse/SPARK-37753 > Project: Spark > Issue Type: Improvement > Components: SQL >Affects Versions: 2.4.8 >Reporter: Eugene Koifman >Priority: Major > > if {{DynamicJoinSelection}} sees a LOJ where there are many empty partitions > on the left, we want to run it as a shuffle join so that tasks with empty LHS > short circuit quickly. > So we should inhibit Broadcast join. > This is a follow up to SPARK-37193 -- 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