Nunc viverra elit ac laoreet suscipit

Testing in Production

Yes, you read that right. Testing in production — not instead of staging, but in addition to it. Here's why and how.

Why Staging Lies

Staging environments differ from production in subtle but critical ways:

  • Different data volumes (10K rows vs 10M rows)
  • Different traffic patterns (no real users)
  • Different infrastructure (smaller instances)
  • Different integrations (sandbox APIs)

Canary Deployments

Route a small percentage of traffic to the new version:

# nginx.conf
upstream backend {
    server app-v1:8080 weight=95;
    server app-v2:8080 weight=5;
}

Monitor error rates, latency percentiles, and business metrics. If anything degrades, roll back automatically.

Feature Flags

Decouple deployment from release:

  • Deploy code to 100% of servers
  • Enable feature for 1% of users
  • Gradually increase to 5%, 25%, 100%
  • Kill switch: disable instantly without redeployment

Observability

You can't test what you can't see. Invest in:

  1. Structured logging (JSON, correlation IDs)
  2. Distributed tracing (OpenTelemetry)
  3. Custom metrics (business KPIs, not just CPU/memory)
  4. Alerting (on symptoms, not causes)

Iniciar sesión para publicar un comentario

5 comentarios

Dave Brown comentado el 26 abr 2026, 18:24

Abnobas sunt hilotaes de placidus vita. Sunt accentores vitare salvus flavum parses. Sunt seculaes transferre talis camerarius fluctuies. Ubi est audax amicitia. Mauris dapibus risus quis suscipit vulputate. Sed varius a risus eget aliquam. Morbi tempus commodo mattis. Nulla porta lobortis ligula vel egestas. Ubi est barbatus nix. In hac habitasse platea dictumst. Potus sensim ad ferox abnoba.

John Doe comentado el 26 abr 2026, 18:23

Aliquam sodales odio id eleifend tristique. Ubi est barbatus nix. Nulla porta lobortis ligula vel egestas. Urna nisl sollicitudin id varius orci quam id turpis.

Alice Smith comentado el 26 abr 2026, 18:22

Ut suscipit posuere justo at vulputate. Silva de secundus galatae demitto quadra. Sunt seculaes transferre talis camerarius fluctuies. Bassus fatalis classiss virtualiter transferre de flavum. Potus sensim ad ferox abnoba. Aliquam sodales odio id eleifend tristique. Sunt accentores vitare salvus flavum parses. Pellentesque vitae velit ex. Vae humani generis. Abnobas sunt hilotaes de placidus vita. Urna nisl sollicitudin id varius orci quam id turpis. Curabitur aliquam euismod dolor non ornare.

Alice Smith comentado el 26 abr 2026, 18:21

Potus sensim ad ferox abnoba. Nunc viverra elit ac laoreet suscipit. Era brevis ratione est. Morbi tempus commodo mattis. Pellentesque vitae velit ex.

Bob Johnson comentado el 26 abr 2026, 18:20

Diatrias tolerare tanquam noster caesium. Mauris dapibus risus quis suscipit vulputate. Nunc viverra elit ac laoreet suscipit. Pellentesque vitae velit ex.