我目前正在使用Hadoop-2.0.3-alpha,之后我可以完美地使用HDFS(将文件复制到HDFS,从外部框架获得成功,使用webfrontend),在我的VM重新启动后,datanode进程正在停止过了一会儿.namenode进程和所有纱线进程都没有问题.我在另一个用户下的一个文件夹中安装了Hadoop,因为我还安装了Hadoop 0.2,它也运行良好.看一下所有datanode进程的日志文件,我得到了以下信息:
2013-04-11 16:23:50,475 WARN org.apache.hadoop.util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
2013-04-11 16:24:17,451 INFO org.apache.hadoop.metrics2.impl.MetricsConfig: loaded properties from hadoop-metrics2.properties
2013-04-11 16:24:23,276 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Scheduled snapshot period at 10 second(s).
2013-04-11 16:24:23,279 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: DataNode metrics system started
2013-04-11 16:24:23,480 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Configured hostname is user-VirtualBox
2013-04-11 16:24:28,896 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Opened streaming server at /0.0.0.0:50010
2013-04-11 16:24:29,239 INFO org.apache.hadoop.hdfs.server.datanode.DataNode: Balancing bandwith is 1048576 bytes/s
2013-04-11 16:24:38,348 INFO org.mortbay.log: Logging to org.slf4j.impl.Log4jLoggerAdapter(org.mortbay.log) via org.mortbay.log.Slf4jLog …