hdfs 集群间拷贝
hadoop distcp -i hdfs://192.168.10.211:9000/fileinfo hdfs://192.168.24.46:9000/fileinfo
distcp [OPTIONS] <srcurl>* <desturl> -i Ignore failures
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hadoop distcp -i hdfs://192.168.10.211:9000/fileinfo hdfs://192.168.24.46:9000/fileinfo
distcp [OPTIONS] <srcurl>* <desturl> -i Ignore failures