问题描述:
hadoop-3.0.0 搭建HA 启动start-yarn.sh脚本之后,ResourceManager并未启动
分析:
执行start-yarn.sh脚本启动yarn,log如下:
jps查看ResourceManger并没有启动起来,
查看启动脚本,发现需要配置yarn.resourcemanager.hostname.${id} 参数
在yarn-site.xml中配置一下,重启启动
jps查看,启动成功
对比hadoop-2.8.1中的strat-yarn.sh脚本,发现 hadoop-3.0中已经做了很多改变
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