IO error: /var/lib/hadoop-yarn/yarn-nm-recovery/yarn-nm-state/LOCK: 权限不够
ClouderaManager启动Yarn阿报错错误日志如下:解决方案:logintherelatednodeserver,checkthepermissionandownershipofthosedirectories/var/lib/hadoop-*,Igotthefollowinginfotheyarenotright.soweneedtodothefollowingstepstofixit