Hi @Abraham Abraham
You may want to look at using the new Ambari Workflow Manager tool to help make working with Oozie easier. There is a fantastic series of tutorials here: https://community.hortonworks.com/articles/82964/getting-started-with-apache-ambari-workflow-design....
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Adding to the above: Workflow Manager has become GA with Ambari 2.5+. Prior to that it was tech preview in Ambari 2.4.x. If you are using a previous version, either upgrade your Ambari (which may be done independantly of HDP) or use Oozie directly.
Also, the documentation for Workflow Manager is available at http://docs.hortonworks.com/HDPDocuments/HDP2/HDP-2.6.0/bk_workflow-management/content/ch_wfm_basics.... It's available as an Ambari View in HDP 2.6.