[
  {
    "idx": 1,
    "url": "https://cloud.google.com/blog/products/serverless/cloud-functions-pro-tips-using-retries-to-build-reliable-serverless-systems/",
    "ok": true,
    "error": null
  },
  {
    "idx": 2,
    "url": "https://www.zdnet.com/article/emotet-malware-runs-on-a-dual-infrastructure-to-avoid-downtime-and-takedowns/",
    "ok": true,
    "error": null
  },
  {
    "idx": 3,
    "url": "http://dbmsmusings.blogspot.com/2011/12/replication-and-latency-consistency.html",
    "ok": true,
    "error": null
  },
  {
    "idx": 4,
    "url": "https://codeascraft.com/2018/10/23/capacity-planning-for-etsys-web-and-api-tiers/",
    "ok": false,
    "error": "HTTP 403"
  },
  {
    "idx": 5,
    "url": "https://engineering.grab.com/chaos-engineering",
    "ok": true,
    "error": null
  },
  {
    "idx": 6,
    "url": "https://code.fb.com/developer-tools/predictive-test-selection-a-more-efficient-way-to-ensure-reliability-of-code-changes/",
    "ok": true,
    "error": null
  },
  {
    "idx": 7,
    "url": "https://auth0.com/blog/progressive-service-architecture-at-auth0/",
    "ok": true,
    "error": null
  }
]