marymwu created HIVE-14160: ------------------------------ Summary: Reduce-task costs a long time to finish on the condition that the certain sql "select a,distinct(b) group by a" has been executed on the data which has skew distribution Key: HIVE-14160 URL: https://issues.apache.org/jira/browse/HIVE-14160 Project: Hive Issue Type: Improvement Components: hpl/sql Affects Versions: 1.1.0 Reporter: marymwu
Reduce-task costs a long time to finish on the condition that the certain sql "select a,distinct(b) group by a" has been executed on the data which has skew distribution data scale: 64G -- This message was sent by Atlassian JIRA (v6.3.4#6332)