[ https://issues.apache.org/jira/browse/HIVE-3655?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Amareshwari Sriramadasu resolved HIVE-3655. ------------------------------------------- Resolution: Won't Fix > Use ChainMapper and ChainReducer for queries having [Map+][RMap*] pattern > ------------------------------------------------------------------------- > > Key: HIVE-3655 > URL: https://issues.apache.org/jira/browse/HIVE-3655 > Project: Hive > Issue Type: Improvement > Components: Query Processor > Reporter: Amareshwari Sriramadasu > > While breaking the query plan into multiple map reduce tasks, Hive should > consider the pattern [Map+][ReduceMap*] and generate single map reduce job > for such patterns using ChainMapper and ChainReducer -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira