liuxian created SPARK-23389: ------------------------------- Summary: When the shuffle dependency specifies aggregation ,and `dependency.mapSideCombine=false`, we should be able to use serialized sorting. Key: SPARK-23389 URL: https://issues.apache.org/jira/browse/SPARK-23389 Project: Spark Issue Type: Improvement Components: Spark Core Affects Versions: 2.3.0 Reporter: liuxian
When the shuffle dependency specifies aggregation ,and `dependency.mapSideCombine=false`, in the map side,there is no need for aggregation and sorting, so we should be able to use serialized sorting. -- This message was sent by Atlassian JIRA (v7.6.3#76005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org