Dear Experts,   Recently faced an issues when I rename a 'backup' directory to 'backup_old' which is presented on hdfs.   I used the command "$ hdfs dfs -mv /backup  backup_old"  and I found 'backup_old' is not created on hdfs it suddenly disappear from hdfs.    Could anyone tell me why I can not see the folder and where I can find it or I lost it. ... View more

Dear Experts,   Is it require to disable the table in Hbase 1.0.0 before taking backup through Export command. ... View more

Dear Experts   All the datanodes nodes in cluster found below an error and could not contacted to cluster after installed cdh 5.9.0 on ubuntu.   "Error, CM server guid updated, expected 85587073-270d-43d9-a44a-e213d9f7e45b, received 4c1402a5-8364-4598-a382-0c760710e897"     ... View more

Dear Experts,   Is data at rest encryption require cloudera enterprise license version. ... View more

Dear Experts,   Where are the embedded postgresql database files store in Redhat for cloudera manager 5.4 i.e the physical location of database file. ... View more

Dear experts,   Could anyone explain first two column which is marked in yellow for output of 'hdfs df -du -h' command.                   ... View more

Dear experts,   1. Is the Hbase snapshot take only pointer of table or it make copy of entire hbase table. 2. What export snapshot does in hbase. 3. Is hbase snapshot allow in cloudera express version. ... View more