Matt McCline created HIVE-12290: ----------------------------------- Summary: Native Vector ReduceSink Key: HIVE-12290 URL: https://issues.apache.org/jira/browse/HIVE-12290 Project: Hive Issue Type: Improvement Components: Hive Reporter: Matt McCline Assignee: Matt McCline Priority: Critical
Currently, VectorReduceSinkOperator is a pass-thru to ReduceSinkOperator, so we incur object inspector costs. Native vectorization will not use object inspectors and allocate memory up front that will be reused for each batch. -- This message was sent by Atlassian JIRA (v6.3.4#6332)