You can configure a restart policy for each component. Add a field like the following: "restart_policy": "ON_FAILURE" The available restart policies are ALWAYS, ON_FAILURE, and NEVER. The default policy is ALWAYS. ... View more

@Amila Silva Hadoop components are shipped as part of HDP repo. So when the next HDP release will be available which includes the Hadoop 3.1.1 component then you will need to get the HDP repo link and then need to perform the HDP upgrade via Ambari (or via command line). The new HDP repository registration steps will be almost similar as the one which is mentioned here: https://docs.hortonworks.com/HDPDocuments/Ambari-2.7.0.0/bk_ambari-upgrade/content/upgrading_HDP_register_and_install_target_version.html ... View more