M3DB存储配置

{
    "num_shards": 1024,
    "replication_factor": 3,
    "instances": [
        {
            "id": "m3db001",
            "isolation_group": "us-east1-a",
            "zone": "embedded",
            "weight": 100,
            "endpoint": "10.142.0.1:9000",
            "hostname": "m3db001",
            "port": 9000
        },
        {
            "id": "m3db002",
            "isolation_group": "us-east1-b",
            "zone": "embedded",
            "weight": 100,
            "endpoint": "10.142.0.2:9000",
            "hostname": "m3db002-us-east",
            "port": 9000
        },
        {
            "id": "m3db003",
            "isolation_group": "us-east1-c",
            "zone": "embedded",
            "weight": 100,
            "endpoint": "10.142.0.3:9000",
            "hostname": "m3db003",
            "port": 9000
        }
    ]
}