Use CombineHiveInputFormat for the merge job if hive.merge.mapredfiles=true ---------------------------------------------------------------------------
Key: HIVE-1622 URL: https://issues.apache.org/jira/browse/HIVE-1622 Project: Hadoop Hive Issue Type: Improvement Reporter: Ning Zhang Assignee: Ning Zhang Currently map-only merge (using CombineHiveInputFormat) is only enabled for merging files generated by mappers. It should be used for files generated at readers as well. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.