grpc

README

load testing a clock service

start the gRPC service

make server

run the load test

make load

example output

2017/11/02 14:45:26 hazana - load runner
2017/11/02 14:45:26 begin rampup of [10] seconds using strategy [exp2]
2017/11/02 14:45:26 setup and spawn new attacker [1]
2017/11/02 14:45:28 current rate [1.991313607278519], target rate [1], attackers [1], mean response time [2.108787ms], requests [2], errors [0]
2017/11/02 14:45:30 current rate [1.9919558905032486], target rate [1], attackers [1], mean response time [508.721µs], requests [2], errors [0]
2017/11/02 14:45:32 current rate [1.9965004202628391], target rate [1], attackers [1], mean response time [473.721µs], requests [2], errors [0]
2017/11/02 14:45:34 current rate [1.999651920590183], target rate [1], attackers [1], mean response time [425.944µs], requests [2], errors [0]
2017/11/02 14:45:36 current rate [1.9962680905919197], target rate [1], attackers [1], mean response time [442.761µs], requests [2], errors [0]
2017/11/02 14:45:38 current rate [1.9993932241443368], target rate [1], attackers [1], mean response time [466.836µs], requests [2], errors [0]
2017/11/02 14:45:40 current rate [1.9991322266787044], target rate [1], attackers [1], mean response time [581.987µs], requests [2], errors [0]
2017/11/02 14:45:42 current rate [1.9997057992833978], target rate [1], attackers [1], mean response time [529.287µs], requests [2], errors [0]
2017/11/02 14:45:44 current rate [1.99803303438127], target rate [1], attackers [1], mean response time [442.995µs], requests [2], errors [0]
2017/11/02 14:45:46 current rate [2.9929693145511753], target rate [2], attackers [1], mean response time [443.452µs], requests [3], errors [0]
2017/11/02 14:45:46 end rampup ending up with [1] attackers
2017/11/02 14:45:46 begin full attack of [10] remaining seconds
2017/11/02 14:45:56 end full attack
2017/11/02 14:45:56 stopping attackers [1]
2017/11/02 14:45:56 stopped attacker  0
2017/11/02 14:45:56 tearing down attackers [1]
2017/11/02 14:45:56 teared down attacker  0
{
    "startedAt": "2017-11-02T14:45:46.255293779+01:00",
    "finishedAt": "2017-11-02T14:45:56.260565813+01:00",
    "configuration": {
        "rps": 2,
        "attackTimeSec": 20,
        "rampupTimeSec": 10,
        "rampupStrategy": "exp2",
        "maxAttackers": 10,
        "verbose": true,
        "doTimeoutSec": 5
    },
    "error": "",
    "metrics": {
        "now": {
            "latencies": {
                "total": 17256594,
                "mean": 821742,
                "50th": 473803,
                "95th": 651139,
                "99th": 710850,
                "max": 7151028
            },
            "earliest": "2017-11-02T14:45:46.255303826+01:00",
            "latest": "2017-11-02T14:45:56.259998927+01:00",
            "end": "2017-11-02T14:45:56.26047273+01:00",
            "duration": 10004643101,
            "wait": 473803,
            "requests": 21,
            "rate": 2.0990254013060174,
            "success": 1,
            "status_codes": {},
            "errors": null
        }
    }

Documentation

Overview

Package main is a generated protocol buffer package.

It is generated from these files:

clock.proto

It has these top-level messages:

GetTimeRequest
GetTimeResponse