cassandra-cluster

{
    "id": "/ctrlpkw/db",
    "apps": [
        {
            "id": "/ctrlpkw/db",
            "apps": [
                {
                    "id": "/ctrlpkw/db/cassandra-seed",
                    "constraints": [
                        [
                            "hostname",
                            "UNIQUE"
                        ]
                    ],
                    "ports": [
                        7199,
                        7000,
                        7001,
                        9160,
                        9042
                    ],
                    "requirePorts": true,
                    "container": {
                        "type": "DOCKER",
                        "docker": {
                            "image": "docker.touk.pl/cassandra",
                            "network": "HOST",
                            "privileged": true
                        }
                    },
                    "env": {
                        "SEED": "cassandra-seed.db.ctrlpkw.marathon.mesos"
                    },
                    "cpus": 4,
                    "mem": 4096,
                    "instances": 2,
                    "backoffSeconds": 1,
                    "backoffFactor": 1.15,
                    "maxLaunchDelaySeconds": 3600,
                    "healthChecks": [
                        {
                            "protocol": "TCP",
                            "gracePeriodSeconds": 30,
                            "intervalSeconds": 30,
                            "portIndex": 4,
                            "timeoutSeconds": 60,
                            "maxConsecutiveFailures": 30
                        }
                    ],
                    "upgradeStrategy": {
                        "minimumHealthCapacity": 0.5,
                        "maximumOverCapacity": 0.2
                    }
                },
                {
                    "id": "/ctrlpkw/db/cassandra",
                    "constraints": [
                        [
                            "hostname",
                            "UNIQUE"
                        ]
                    ],
                    "ports": [
                        7199,
                        7000,
                        7001,
                        9160,
                        9042
                    ],
                    "requirePorts": true,
                    "container": {
                        "type": "DOCKER",
                        "docker": {
                            "image": "docker.touk.pl/cassandra",
                            "network": "HOST",
                            "privileged": true
                        }
                    },
                    "env": {
                        "SEED": "cassandra-seed.db.ctrlpkw.marathon.mesos"
                    },
                    "cpus": 4,
                    "mem": 4096,
                    "instances": 1,
                    "backoffSeconds": 1,
                    "backoffFactor": 1.15,
                    "maxLaunchDelaySeconds": 3600,
                    "healthChecks": [
                        {
                            "protocol": "TCP",
                            "gracePeriodSeconds": 30,
                            "intervalSeconds": 30,
                            "portIndex": 4,
                            "timeoutSeconds": 60,
                            "maxConsecutiveFailures": 30
                        }
                    ],
                    "upgradeStrategy": {
                        "minimumHealthCapacity": 0.5,
                        "maximumOverCapacity": 0.2
                    }
                }
            ]
        }
    ]
}