Dynamically allocate and measure memory usage when a map join op followed by a group by op ------------------------------------------------------------------------------------------
Key: HIVE-1832 URL: https://issues.apache.org/jira/browse/HIVE-1832 Project: Hive Issue Type: Improvement Components: Query Processor Reporter: Liyin Tang Assignee: Liyin Tang Right now, if a map join operator followed by a map-side group by, this map reduce task will be memory intensive task. Memory usage should be carefully measured and bounded in order not to run out of memory. -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.