HIVE-13936 Hive windowing function 导致 reduce OOM
这个是row_number https://issues.apache.org/jira/browse/HIVE-13936 http://grokbase.com/t/hive/user/148m45m9ge/help-needed-out-of-memory-with-windowing-functions
这个是row_number https://issues.apache.org/jira/browse/HIVE-13936 http://grokbase.com/t/hive/user/148m45m9ge/help-needed-out-of-memory-with-windowing-functions