Dear all , nice to be here , with all professional folks we have ambari server , and all services shown from "Add Service Wizard" as click on actions button , and click on "+add Service" there we can found all available services so now how to get all these services list by API ... View more

Dear colleges and friends I just reviewing on the HDP upgrade hortronworks documentation but not see the section about backup the folder - /var/hadoop/hdfs/namenode/current is it necessary to backup the folder - current before HDP upgrade ? as tar -zcvf current_bck.tar.gz /var/hadoop/hdfs/namenode/current -rw-r--r-- 1 root root 9062640 Jul 22 09:28 current_bck.tar.gz ... View more