Hadoop高可用HA启动顺序

master,slave1,slave2,zookeeper启动

cd /usr/zookeeper/zookeeper-3.4.10/
bin/zkServer.sh start 
bin/zkServer.sh status

master,slave1,slave2启动 JournalNode 进程

cd /usr/hadoop/hadoop-2.7.3
sbin/hadoop-daemon.sh start journalnode

master ,slave1启动守护进程 zkfc

sbin/hadoop-daemon.sh start zkfc

master

sbin/start-dfs.sh

master,slave1启动 ResourceManager 进程

sbin/yarn-daemon.sh start resourcemanager

slave1,slave2启动 NodeManager 进程

sbin/yarn-daemon.sh start nodemanager

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