[ https://issues.apache.org/jira/browse/HIVE-7613?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chengxiang Li updated HIVE-7613: -------------------------------- Issue Type: Task (was: Bug) Summary: Research optimization of auto convert join to map join[Spark branch] (was: Research and verify optimization of auto convert join to map join[Spark branch]) > 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: Task > Components: Spark > Reporter: Chengxiang Li > > 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 (v6.2#6252)