[ https://issues.apache.org/jira/browse/HIVE-1900?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Namit Jain reassigned HIVE-1900: -------------------------------- Assignee: Namit Jain (was: He Yongqiang) > a mapper should be able to span multiple partitions > --------------------------------------------------- > > Key: HIVE-1900 > URL: https://issues.apache.org/jira/browse/HIVE-1900 > Project: Hive > Issue Type: Improvement > Components: Query Processor > Reporter: Namit Jain > Assignee: Namit Jain > > Currently, a mapper only spans a single partition which creates a problem in > the presence of many > small partitions (which is becoming a common usecase in facebook). > If the plan is the same, a mapper should be able to span files across > multiple partitions -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.