[ https://issues.apache.org/jira/browse/SPARK-11425?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Davies Liu resolved SPARK-11425. -------------------------------- Resolution: Fixed Fix Version/s: 1.6.0 Issue resolved by pull request 9383 [https://github.com/apache/spark/pull/9383] > Improve hybrid aggregation (sort-based after hash-based) > -------------------------------------------------------- > > Key: SPARK-11425 > URL: https://issues.apache.org/jira/browse/SPARK-11425 > Project: Spark > Issue Type: Improvement > Components: Spark Core > Reporter: Davies Liu > Fix For: 1.6.0 > > > After aggregation, the dataset could be smaller than inputs, so it's better > to do hash based aggregation for all inputs, then using sort based > aggregation to merge them. -- 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