Hive中 使用 Round() 的坑

有個算法如下:

SELECT MEMBERNUMBER, ROUND(SUM(SumPointAmount)) AS VALUE FROM BSUM_CRMPOINT WHERE UPPER(POINTCATEGORY)='REWARD' GROUP BY MEMBERNUMBER

使用round()函數來規范Sum()后的值..

算法並不復雜..但一直報錯..

MapReduce Total cumulative CPU time: 1 minutes 16 seconds 968 msec
Ended Job = job_1483628918349_2920 with errors
Error during job, obtaining debugging information...
Examining task ID: task_1483628918349_2920_m_000002 (and more) from job job_1483628918349_2920

Task with the most failures(4): 
-----
Task ID:
  task_1483628918349_2920_m_000000

URL:
  http://headnodehost:9014/taskdetails.jsp?jobid=job_1483628918349_2920&tipid=task_1483628918349_2920_m_000000
-----
Diagnostic Messages for this Task:
Error: GC overhead limit exceeded
Container killed by the ApplicationMaster.
Container killed on request. Exit code is 137
Container exited with a non-zero exit code 137


FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.mr.MapRedTask
MapReduce Jobs Launched: 
Stage-Stage-1: Map: 3  Reduce: 8   Cumulative CPU: 76.968 sec   HDFS Read: 1547020 HDFS Write: 0 FAIL
Total MapReduce CPU Time Spent: 1 minutes 16 seconds 968 msec

 

並沒有具體錯誤的報文..  ExitValue 為  2

后來偶然把Round去掉..跑通了..返回碼0

百思不得其解..

 

有路過大神希望能解釋下.. 

有同樣算法的童鞋請嘗試去除round再試..找到原因請分享..