What is chaos engineering?

Question

Accepted Answer

**Chaos Engineering** — system resilience testing.

```yaml
# Chaos Mesh experiment
apiVersion: chaos-mesh.org/v1alpha1
kind: NetworkChaos
metadata:
  name: network-delay
spec:
  action: delay
  mode: all
  selector:
    namespaces:
      - production
  delay:
    latency: "200ms"
    correlation: "50"
    jitter: "100ms"
  duration: "5m"
---
apiVersion: chaos-mesh.org/v1alpha1
kind: PodChaos
metadata:
  name: pod-kill
spec:
  action: pod-kill
  mode: one
  selector:
    namespaces:
      - production
    labelSelectors:
      app: myapp
  scheduler:
    cron: "@every 1h"
```

**Tools:**
- Chaos Mesh.
- Litmus.
- Gremlin.

**Goal:**
- Find weak points.
- Test resilience.
- Improve uptime.

DevOps: What is chaos engineering?