摘要： 1.Hadoop集群规划 HDFS: NN DN YARN: RM NM 192.168.107.216 NN RM DN NM 192.168.107.215 DN NM 192.168.107.214 DN NM 2.(每台)ssh免密码登陆 https://www.cnblogs.com/yo 阅读全文