CDH开启静态资源池后报错

最新推荐文章于 2023-04-04 19:38:01 发布

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本文详细解析了在启动静态资源池时遇到的YARN权限错误，主要表现为无法为root用户创建应用缓存目录。文章提供了具体的错误日志，并指导如何通过删除特定目录下的内容来解决此问题。

开启静态资源池后报错

main : run as user is nobody
main : requested yarn user is root
Can't create directory /data1/yarn/nm/usercache/root/appcache/application_1566281848337_0001 - Permission denied
Can't create directory /data2/yarn/nm/usercache/root/appcache/application_1566281848337_0001 - Permission denied
Can't create directory /data3/yarn/nm/usercache/root/appcache/application_1566281848337_0001 - Permission denied
Can't create directory /data4/yarn/nm/usercache/root/appcache/application_1566281848337_0001 - Permission denied
Did not create any app directories

# 进入cache目录
cd /data1/yarn/nm/usercache/

# 查看发现用户是nobody,修改不起作用
ll

# total 0
# drwxr-s--- 4 nobody yarn 51 Aug 20 11:22 hdfs
# drwxr-s--- 4 nobody yarn 39 Aug 20 12:23 root

# 直接删除
rm -rf /data1/yarn/nm/usercache/*