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Istio Traffic — Advanced Patterns¶
IstioTraffic ManagementFault InjectionCircuit Breaking 5 min read
Fault injection, circuit breaking, request mirroring and header-based routing.
Fault Injection¶
apiVersion: networking.istio.io/v1beta1
kind: VirtualService
spec:
http:
- fault:
abort: {httpStatus: 500, percentage: {value: 10}}
delay: {fixedDelay: 3s, percentage: {value: 5}}
route:
- destination: {host: payment-api}
Chaos engineering via Istio — test resilience without actual outages.
Circuit Breaking¶
apiVersion: networking.istio.io/v1beta1
kind: DestinationRule
spec:
trafficPolicy:
outlierDetection:
consecutive5xxErrors: 5
interval: 30s
baseEjectionTime: 60s
Request Mirroring¶
Mirror traffic to v2 without affecting users — responses are discarded. The safest form of testing.
Summary¶
Istio traffic patterns = chaos testing + circuit breaking + safe rollouts without code changes.
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