{
    "LINKS": {
        "summary": "Returns a list of all TCP links to and from peer nodes.",
        "complexity": "O(N) where N is the total number of Cluster nodes",
        "group": "cluster",
        "since": "7.0.0",
        "arity": 2,
        "container": "CLUSTER",
        "function": "clusterCommand",
        "command_flags": [
            "STALE"
        ],
        "command_tips": [
            "NONDETERMINISTIC_OUTPUT"
        ],
        "reply_schema": {
            "description": "an array of cluster links and their attributes",
            "type": "array",
            "items": {
                "type": "object",
                "properties": {
                    "direction": {
                        "description": "This link is established by the local node _to_ the peer, or accepted by the local node _from_ the peer.",
                        "oneOf": [
                            {
                                "description": "connection initiated from peer",
                                "const": "from"
                            },
                            {
                                "description": "connection initiated to peer",
                                "const": "to"
                            }
                        ]
                    },
                    "node": {
                        "description": "the node id of the peer",
                        "type": "string"
                    },
                    "create-time": {
                        "description": "unix time creation time of the link. (In the case of a _to_ link, this is the time when the TCP link is created by the local node, not the time when it is actually established.)",
                        "type": "integer"
                    },
                    "events": {
                        "description": "events currently registered for the link. r means readable event, w means writable event",
                        "type": "string"
                    },
                    "send-buffer-allocated": {
                        "description": "allocated size of the link's send buffer, which is used to buffer outgoing messages toward the peer",
                        "type": "integer"
                    },
                    "send-buffer-used": {
                        "description": "size of the portion of the link's send buffer that is currently holding data(messages)",
                        "type": "integer"
                    }
                },
                "additionalProperties": false
            }
        }
    }
}