[ https://issues.apache.org/jira/browse/HIVE-1900?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Namit Jain updated HIVE-1900: ----------------------------- Status: Patch Available (was: Open) I will create a review board request > 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 > Attachments: hive.1900.1.patch > > > 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. - For more information on JIRA, see: http://www.atlassian.com/software/jira