救命啊，新增加节点全部服务都起来了，也分配到YarnChild，但就是YarnChild不干活

一直吐如下日志
49: 2.9 GB of 8.5 GB physical memory used; 9.0 GB of 17.8 GB virtual memory used
2016-03-14 00:11:55,467 INFO  monitor.ContainersMonitorImpl (ContainersMonitorImpl.java:run(408)) - Memory usage of ProcessTree 64697 for container-id container_e790_1457875035307_0009_01_000050: 2.9 GB of 8.5 GB physical memory used; 9.0 GB of 17.8 GB virtual memory used
2016-03-14 00:11:55,612 INFO  monitor.ContainersMonitorImpl (ContainersMonitorImpl.java:run(408)) - Memory usage of ProcessTree 64438 for container-id container_e790_1457875035307_0009_01_000055: 2.9 GB of 8.5 GB physical memory used; 9.0 GB of 17.8 GB virtual memory used
2016-03-14 00:11:55,763 INFO  monitor.ContainersMonitorImpl (ContainersMonitorImpl.java:run(408)) - Memory usage of ProcessTree 64830 for container-id container_e790_1457875035307_0009_01_000056: 2.9 GB of 8.5 GB physical memory used; 9.0 GB of 17.8 GB virtual memory used
2016-03-14 00:11:55,910 INFO  monitor.ContainersMonitorImpl (ContainersMonitorImpl.java:run(408)) - Memory usage of ProcessTree 64432 for container-id container_e790_1457875035307_0009_01_000053: 2.9 GB of 8.5 GB physical memory used; 9.0 GB of 17.8 GB virtual memory used
2016-03-14 00:11:56,055 INFO  monitor.ContainersMonitorImpl (ContainersMonitorImpl.java:run(408)) - Memory usage of ProcessTree 64883 for container-id container_e790_1457875035307_0009_01_000054: 2.9 GB of 8.5 GB physical memory used; 9.0 GB of 17.8 GB virtual memory used
2016-03-14 00:11:59,199 INFO  monitor.ContainersMonitorImpl (ContainersMonitorImpl.java:run(408)) - Memory usage of ProcessTree 64391 for container-id container_e790_1457875035307_0009_01_000035: 3.0 GB of 8.5 GB physical memory used; 9.0 GB of 17.8 GB virtual memory used
2016-03-14 00:11:59,342 INFO  monitor.ContainersMonitorImpl (ContainersMonitorImpl.java:run(408)) - Memory usage of ProcessTree 64888 for container-id container_e790_1457875035307_0009_01_000036: 3.0 GB of 8.5 GB physical memory used; 9.0 GB of 17.8 GB virtual memory used
2016-03-14 00:11:59,485 INFO  monitor.ContainersMonitorImpl (ContainersMonitorImpl.java:run(408)) - Memory usage of ProcessTree 64819 for container-id container_e790_1457875035307_0009_01_000034: 2.9 GB of 8.5 GB physical memory used; 9.0 GB of 17.8 GB virtual memory used
2016-03-14 00:11:59,629 INFO  monitor.ContainersMonitorImpl (ContainersMonitorImpl.java:run(408)) - Memory usage of ProcessTree 64759 for container-id container_e790_1457875035307_0009_01_000039: 2.9 GB of 8.5 GB physical memory used; 9.0 GB of 17.8 GB virtual memory used
^C

这个跟任务数，内存，jvm设置有关系吧

这里有一篇关于YarnChild，楼主调整试试