![Sqoop导数据出现的问题 Sqoop导数据出现的问题](https://image.shishitao.com:8440/aHR0cHM6Ly9ia3FzaW1nLmlrYWZhbi5jb20vdXBsb2FkL2NoYXRncHQtcy5wbmc%2FIQ%3D%3D.png?!?w=700&webp=1)
sqoop导数据卡住在INFO mapreduce.Job: Running job: job_1447835049223_0010
查yarn日志全是:
INFO org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler: Null container completed...
解决方法:
http://*.com/questions/28294684/hadoop-2-6-0-does-not-work-reduce-tasks-in-wordcount-example
The answer is not enough memory. Every container of task (map or reduce), was too big for my machines.