我是Hadoop的新手，并尝试在具有32核和64GB内存和8个磁盘的服务器上设置hadoop2.2.0，同时我调整了文件“yarn-site.xml”，我发现当我加yarn.nodemanager.resource.memory-mb40960到“yarn-site.xml”并运行:hadoopjar./share/hadoop/mapreduce/hadoop-mapreduce-examples-2.2.0.jarpi105我得到错误:14/01/2319:42:55INFOmapreduce.Job:TaskId:attempt_1390524052844_0002_m_0000