Istio DestinationRule 熔断与异常剔除(OutlierDetection)配置实战

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title: Istio DestinationRule 熔断与异常剔除(OutlierDetection)配置实战

keywords: DestinationRule, outlierDetection, consecutive5xx, baseEjectionTime, maxEjectionPercent,

connectionPool

description: 通过 DestinationRule 配置连接池与异常剔除，实现对不健康实例的自动弹出与熔断保护，保障服务稳定性。

categories:

• 文章资讯
• 软件教程

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示例 DestinationRule：

apiVersion: networking.istio.io/v1beta1
kind: DestinationRule
metadata:
  name: api-dr
spec:
  host: api.default.svc.cluster.local
  trafficPolicy:
    connectionPool:
      tcp:
        maxConnections: 100
      http:
        http1MaxPendingRequests: 1000
        maxRequestsPerConnection: 100
    outlierDetection:
      consecutive5xx: 5
      interval: 5s
      baseEjectionTime: 30s
      maxEjectionPercent: 50