Creating a Service Account
This section describes how to create a new Service Account and RBAC or use an existing Service Account for Spark Thrift Server.
When you install and configure the Spark Thrift Server using the helm chart, it does not create service account and RBAC.
To use an existing Service Account, set the following flags with 
    helm
        install
      command.--set serviceaccount.name=<name> --set serviceaccount.create=falseAlternativey, you can configure the service account options in values.yaml file of the Helm chart.
To create a new Service Account, set the following flags with 
    helm install
      command.--set serviceaccount.create=trueTo create a new RBAC, set the following flags with 
  helm install
      command.--set rbac.create=true