[ https://issues.apache.org/jira/browse/SPARK-16391?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Reynold Xin updated SPARK-16391: -------------------------------- Target Version/s: 2.0.1, 2.1.0 (was: 2.1.0) > KeyValueGroupedDataset.reduceGroups should support partial aggregation > ---------------------------------------------------------------------- > > Key: SPARK-16391 > URL: https://issues.apache.org/jira/browse/SPARK-16391 > Project: Spark > Issue Type: Sub-task > Components: SQL > Reporter: Reynold Xin > > KeyValueGroupedDataset.reduceGroups is currently implemented via > flatMapGroups, which is very inefficient since effectively does a physical > group by. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org