Peter Vary created HIVE-14215: --------------------------------- Summary: Displaying inconsistent CPU usage data with MR execution engine Key: HIVE-14215 URL: https://issues.apache.org/jira/browse/HIVE-14215 Project: Hive Issue Type: Bug Affects Versions: 2.2.0 Reporter: Peter Vary Assignee: Peter Vary Priority: Minor
If the MR task is finished after printing the cumulative CPU time then there is the possibility to print inconsistent CPU usage information. Correct one: {noformat} 2016-07-12 11:31:42,961 Stage-3 map = 0%, reduce = 0% 2016-07-12 11:31:48,237 Stage-3 map = 100%, reduce = 0%, Cumulative CPU 2.5 sec MapReduce Total cumulative CPU time: 2 seconds 500 msec Ended Job = job_1468321038188_0003 MapReduce Jobs Launched: Stage-Stage-3: Map: 1 Cumulative CPU: 2.5 sec HDFS Read: 5864 HDFS Write: 103 SUCCESS Total MapReduce CPU Time Spent: 2 seconds 500 msec {noformat} One type of inconsistent data (easily reproducible one): {noformat} 2016-07-12 11:39:00,540 Stage-3 map = 0%, reduce = 0% Ended Job = job_1468321038188_0004 MapReduce Jobs Launched: Stage-Stage-3: Map: 1 Cumulative CPU: 2.51 sec HDFS Read: 5864 HDFS Write: 103 SUCCESS Total MapReduce CPU Time Spent: 2 seconds 510 msec {noformat} -- This message was sent by Atlassian JIRA (v6.3.4#6332)