drwxr-xr-x.  14 yarn hadoop  4096 Jun  2 07:26 appcache

drwx--x---.  2 yarn hadoop 4096 Jun  2 07:21 container_e12_1462434761155_14999_01_000001

drwx--x---.  4 yarn hadoop 4096 Jun  2 07:21 application_1462434761155_14999

[hdfs@<datanode>]$ groups
hadoop hdfs