init_config:

instances:
  #
  # The Spark check retrieves metrics from YARN's ResourceManager. This
  # check must be run from the Master Node and the ResourceManager URI must
  # be specified below. The ResourceManager URI is composed of the
  # ResourceManager's hostname and port.
  #
  # The ResourceManager hostname can be found in the yarn-site.xml conf file
  # under the property yarn.resourcemanager.address
  #
  # The ResourceManager port can be found in the yarn-site.xml conf file under
  # the property yarn.resourcemanager.webapp.address
   - resourcemanager_uri: http://localhost:8080

    # A Required friendly name for the cluster.
     cluster_name: Cluster_Spark

    # Optional tags to be applied to every emitted metric.
    # tags:
    #   - key:value
    #   - instance:production
~