Can we use Ambari_helper concept to write the script to delete dead nodes from Ambari. Can please guide where Can  I get details about Ambari_helper classes?   ... View more

Thank you very much Jay. (1) What is the command to check if the process 'SPARK2_JOBHISTORYSERVER_PROCESS' is up and running (2) what is the port "spark2-defaults/spark.history.ui.port" ? basically is this only reason for this job failure ... View more