hive操作insert时，accepted状态， return code 2 from org.apache.hadoop.hive.ql.exec.mr.Map...问题处理

hive (mydb)> insert into custs(id,name) values(1,'LiLei');
Query ID = grid_20190423164217_fc3f0961-0a15-430c-9fce-78999c909f02
Total jobs = 3
Launching Job 1 out of 3
Number of reduce tasks determined at compile time: 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_1556008617802_0001, Tracking URL = http://master:8088/proxy/application_1556008617802_0001/
Kill Command = /home/grid/hadoop-3.2.0/bin/mapred job  -kill job_1556008617802_0001

查看hadoop网页信息，显示状态为accepted；

原因：内存不足

解决方法：修改hadoop的配置文件yarn-site.xml

修