请教，在执行map/reduce任务的时候，出现以下错误信息。

2010-03-01 09:18:19,577 map = 0%,  reduce =0%
10/03/01 09:18:19 INFO exec.ExecDriver: 2010-03-01 09:18:19,577 map = 0%,  reduce =0%
2010-03-01 09:19:19,847 map = 0%,  reduce =0%
10/03/01 09:19:19 INFO exec.ExecDriver: 2010-03-01 09:19:19,847 map = 0%,  reduce =0%
2010-03-01 09:19:38,927 map = 100%,  reduce =100%
10/03/01 09:19:38 INFO exec.ExecDriver: 2010-03-01 09:19:38,927 map = 100%,  reduce =100%
Ended Job = job_201003010905_0001 with errors
10/03/01 09:19:38 ERROR exec.ExecDriver: Ended Job = job_201003010905_0001 with errors
FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.ExecDriver
10/03/01 09:19:38 ERROR ql.Driver: FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.ExecDriver

搞定了

请问是什么原因了吗？

由于配置的时候，在map-site里给map/reduce配置了8000M的虚拟内存，但是实际服务器只有4G，因此修改为2000M，出现的搞定
   
              mapred.child.java.opts
                 -Xmx8000M -server
         

学习了，我也遇到了这个

顶，很好的经验总结