我第一次使用Mapreduce运行了一个wordcount示例,它起了作用。然后,我停止了集群,启动了一段时间,并遵循了相同的过程。10P:/$ hadoop jar /usr/local/hadoop/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.6.0.jar wordcount /user/test/tester /user/output
15/08/05 00:16:04 INFO Configuration.deprecation: session.id is deprecated. Instead, use