Hive提交任务Failed: 执行错误, 返回码2 (来自org.apache.hadoop.hive.ql.exec.mr.MapRedTask类)

 Query ID = root_20191114010024_e70138f9-544a-4cd7-86a1-58fd1054cd6a

    
 Total jobs = 2
    
 Launching Job 1 out of 2
    
 Number of reduce tasks not specified. Estimated from input data size: 1
    
 In order to change the average load for a reducer (in bytes):
    
   set hive.exec.reducers.bytes.per.reducer=<number>
    
 In order to limit the maximum number of reducers:
    
   set hive.exec.reducers.max=<number>
    
 In order to set a constant number of reducers:
    
   set mapreduce.job.reduces=<number>
    
 Starting Job = job_1573652582737_0011, Tracking URL = http://henu3:8