【Hadoop】Hadoop HA机制要点
Hadoop HA 机制架构、要点、原理:
需要的机器(规划):
至少三台机器
HOSTNAME IP 安装软件ZK HADOOP进程 HADOOP-NODE1 10.20.0.11 JDK,HADOOP NameNode,DFSZKFailoverController(ZKFC) HADOOP-NODE2 10.20.0.12 JDK,HADOOP NameNode,DFSZKFailoverController(ZKFC) HADOOP-NODE3 10.20.0.13 JDK,HADOOP ResourceManager HADOOP-NODE4 10.20.0.14 JDK,HADOOP ResourceManager HADOOP-NODE5 10.20.0.15 JDK,HADOOP,ZK QuorumPeerMain,JournalNode,DataNode,NodeManager HADOOP-NODE6 10.20.0.16 JDK,HADOOP,ZK QuorumPeerMain,JournalNode,DataNode,NodeManager HADOOP-NODE7 10.20.0.17 JDK,HADOOP,ZK QuorumPeerMain,JournalNode,DataNode,NodeManager