update bar and foo replicas and trigger load testing

[GoodspeedWong]

a new PR, let's wait for CI running result. :)

[github-actions]

Load Test Result

{
  "requests": 100000,
  "success": 100000,
  "failed_percent": 0.0,
  "hosts": {
    "foo.localhost": {
      "requests": 49986,
      "success": 49986,
      "failed_percent": 0.0,
      "avg_duration": 0.003839426855893993,
      "p90": 0.0069,
      "p95": 0.0132,
      "p99": 0.0288,
      "rps": 260.4555412912416
    },
    "bar.localhost": {
      "requests": 50014,
      "success": 50014,
      "failed_percent": 0.0,
      "avg_duration": 0.004484859429299533,
      "p90": 0.0096,
      "p95": 0.0172,
      "p99": 0.0367,
      "rps": 222.97242884961162
    }
  },
  "avg_duration": 0.00416223350315704,
  "p90": 0.0082,
  "p95": 0.0153,
  "p99": 0.0325,
  "rps": 240.25562218974582
}

[GoodspeedWong]

grafana dashboard for bar

for foo