backup.json

{
    "server": {
        "primary": [
            {
                "host": "10.11.14.54:801",
                "weight": 1
            },
            {
                "host": "10.11.14.54:802",
                "weight": 1
            },
        ],
        "backup": [
            {
                "host": "10.11.14.54:801",
            }
        ]
    }
    "resolver": {
            "nameservers": ["10.11.16.10"],
            "retrans": 5,
            "timeout": 2000
    },
    "retries":3, 
    "healthcheck":{
        "active": {
            "type":"http",
            "http_path":"/",
            "healthy": {
                "interval": 2,
                "successes": 1
            },
            "unhealthy": {
                "interval": 1,
                "http_failures": 2
            }
        },
        "passive":{
            "healthy":{
                "successes":3
            },
            "unhealthy":{
                "timeouts": 5, 
                "http_failures":10, 
                "tcp_failures":3
            }
        }
    }
}