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Health Check

project-docs:partial$attributes.adoc

Health Check provides ping() and diagnostics() tests for the health of the network and the cluster.

{version-server}@sdk:pages:partial$health-check.adoc

{version-server}@sdk:pages:partial$health-check.adoc

{version-server}@sdk:pages:partial$health-check.adoc

let services = [couchbase.ServiceType.KeyValue, couchbase.ServiceType.Query]
bucket.ping(services, (err, res) => {
    console.log(res)
})
/*
{
    "config_rev":1822,
    "id":"0x102f09dc0",
    "sdk":"libcouchbase/2.9.5-njs couchnode/2.6.9 (node/10.16.0; v8/6.8.275.32-node.52; ssl/1.1.1b)",
    "services":{
        "kv":[
            {
                "id":"0x104802900",
                "latency_us":1542,
                "local":"10.112.195.1:51707",
                "remote":"10.112.195.101:11210",
                "scope":"travel-sample",
                "status":"ok"
            },
            {
                "id":"0x1029253d0",
                "latency_us":6639,
                "local":"10.112.195.1:51714",
                "remote":"10.112.195.103:11210",
                "scope":"travel-sample",
                "status":"ok"
            },
            {
                "id":"0x102924bc0",
                "latency_us":1240660,
                "local":"10.112.195.1:51713",
                "remote":"10.112.195.102:11210",
                "scope":"travel-sample",
                "status":"timeout"
            }
        ],
        "n1ql":[
            {
                "id":"0x10291d980",
                "latency_us":3787,
                "local":"10.112.195.1:51710",
                "remote":"10.112.195.101:8093",
                "status":"ok"
            },
            {
                "id":"0x1029240f0",
                "latency_us":9321,
                "local":"10.112.195.1:51712",
                "remote":"10.112.195.103:8093",
                "status":"ok"
            },
            {
                "id":"0x102923350",
                "latency_us":7003363,
                "local":"10.112.195.1:51711",
                "remote":"10.112.195.102:8093",
                "status":"timeout"
            }
        ]
    },
    "version":1
}
*/

{version-server}@sdk:pages:partial$health-check.adoc

bucket.diagnostics((err, res) => {
    console.log(res)
})
/*
{
    "id":"0x10290d100","kv":[
        {
            "id":"0000000072b21d66",
            "last_activity_us":2363294,
            "local":"10.112.195.1:51473",
            "remote":"10.112.195.101:11210",
            "status":"connected"
        },
        {
            "id":"000000000ba84e5e",
            "last_activity_us":7369021,
            "local":"10.112.195.1:51486",
            "remote":"10.112.195.102:11210",
            "status":"connected"
        },
        {
            "id":"0000000077689398",
            "last_activity_us":4855640,
            "local":"10.112.195.1:51409",
            "remote":"10.112.195.103:11210",
            "status":"connected"
        }
    ],
    "sdk":"libcouchbase/2.9.5-njs couchnode/2.6.9 (node/10.16.0; v8/6.8.275.32-node.52; ssl/1.1.1b)",
    "version":1
}
*/