{
    "properties": {
        "service": {
            "description": "DC/OS service configuration properties",
            "properties": {
                "cpus": {
                    "default": 0.5,
                    "description": "CPU shares to allocate to each service instance.",
                    "minimum": 0.5,
                    "type": "number"
                },
                "external_access": {
                    "description": "Enable access from outside the cluster through Marathon-LB.\nNOTE: this connection is unencrypted.",
                    "properties": {
                        "enable": {
                            "default": true,
                            "description": "Enable or disable creating a VIP for external access through a public node running Marathon-LB.",
                            "type": "boolean"
                        },
                        "external_access_port": {
                            "default": 9000,
                            "description": "For external access, port number to be used for clear communication in Marathon-LB.",
                            "type": "number"
                        },
                        "virtual_host": {
                            "default": "spark-thrift-server.example.org",
                            "description": "For external access, Virtual Host URL to be used in Marathon-LB.",
                            "type": "string"
                        }
                    },
                    "type": "object"
                },
                "host_path": {
                    "default": "/var/lib/tmp/spark",
                    "description": "Path in the host to be used for temporary storage",
                    "type": "string"
                },
                "instances": {
                    "default": 1,
                    "description": "Number of service instances to run in the cluster.",
                    "minimum": 1,
                    "type": "number"
                },
                "mem": {
                    "default": 512.0,
                    "description": "Memory to allocate to each service instance.",
                    "minimum": 512.0,
                    "type": "number"
                },
                "name": {
                    "default": "spark-thrift-server",
                    "description": "Name of this service instance",
                    "type": "string"
                },
                "port": {
                    "default": 9000,
                    "description": "TCP port for the Spark Thrift Server service",
                    "type": "number"
                },
                "spark-cores-max": {
                    "default": "24",
                    "description": "Maximum number of cores to allocate to Spark.",
                    "type": "string"
                },
                "spark-driver-memory": {
                    "default": "512m",
                    "description": "Memory to allocate to the Spark driver.",
                    "type": "string"
                },
                "spark-executor-cores": {
                    "default": "1",
                    "description": "Maximum number of cores to allocate to the Spark executor.",
                    "type": "string"
                },
                "spark-executor-docker-image": {
                    "default": "mesosphere/spark:1.0.8-2.1.0-1-hadoop-2.7",
                    "description": "Name of the docker image to be used for Spark.",
                    "type": "string"
                },
                "spark-executor-memory": {
                    "default": "1024m",
                    "description": "Memory to allocate to the Spark executor.",
                    "type": "string"
                },
                "spark-max-executors": {
                    "default": "10",
                    "description": "Maximum number of executors for Spark.",
                    "type": "string"
                },
                "spark-mesos-extra-cores": {
                    "default": "1",
                    "description": "Extra cores for Spark on Mesos.",
                    "type": "string"
                }
            },
            "type": "object"
        }
    }
}