[ https://issues.apache.org/jira/browse/HIVE-7613?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xuefu Zhang resolved HIVE-7613. ------------------------------- Resolution: Fixed Fix Version/s: spark-branch Since MJ is already in place (via HIVE-8699) and I think we can conclude the research here. Thanks, guys! > Research optimization of auto convert join to map join [Spark branch] > --------------------------------------------------------------------- > > Key: HIVE-7613 > URL: https://issues.apache.org/jira/browse/HIVE-7613 > Project: Hive > Issue Type: Sub-task > Components: Spark > Reporter: Chengxiang Li > Assignee: Suhas Satish > Priority: Minor > Fix For: spark-branch > > Attachments: HIve on Spark Map join background.docx, > small_table_broadcasting.pdf > > > ConvertJoinMapJoin is an optimization the replaces a common join(aka shuffle > join) with a map join(aka broadcast or fragment replicate join) when > possible. we need to research how to make it workable with Hive on Spark. -- This message was sent by Atlassian JIRA (v6.3.4#6332)