Monitoring

Aergo server has 5 major subcomponents: Account, Chain, MemPool, RPC, and P2P.

We can get status of component using aergocli node command (see here for detail).

$ aergocli node 
{
        "AccountsSvc": {
                "status": "started",
                "acc_processed_msg": 3,
                "msg_queue_len": 0,
                "msg_latency": "69.851µs",
                "error": "",
                "actor": null
        },
        "ChainSvc": {
                "status": "started",
                "acc_processed_msg": 238,
                "msg_queue_len": 0,
                "msg_latency": "68.849µs",
                "error": "",
                "actor": {
                        "orphan": 0
                }
        },
        "MemPoolSvc": {
                "status": "started",
                "acc_processed_msg": 237,
                "msg_queue_len": 0,
                "msg_latency": "59.462µs",
                "error": "",
                "actor": {
                        "cache_len": 0,
                        "dead": 0,
                        "orphan": 0
                }
        },
        "RPCSvc": {
                "status": "started",
                "acc_processed_msg": 120,
                "msg_queue_len": 0,
                "msg_latency": "71.785µs",
                "error": "",
                "actor": null
        },
        "p2pSvc": {
                "status": "started",
                "acc_processed_msg": 120,
                "msg_queue_len": 0,
                "msg_latency": "54.783µs",
                "error": "",
                "actor": null
        }
}

As it shown above, each component has 6 values, which are

• status *
• acc_processed_msg
  • number of message processed by the component
  • message is basic unit for communicate with other components
• msg_queue_len
  • number of pending messages for the component
• msg_latency
  • average latency for processing a message
• error *
• actor
  • component specific statistics are shown
  • for example, ChainSvc “actor”: { “orphan”: 0 } orphan represents number of orphan block the component has