Ambassador的熔断机制的定义

circuit_breakers:
- priority: <string>
  max_connections: <integer>
  max_pending_requests: <integer>
  max_requests: <integer>
  max_retries: <integer>

• priority：优先级，默认是default，还可以是high

• max_connections：最大连接数，默认是1024

• max_pending_requests：等待连接最大请求数，默认是1024

• max_requests：最大请求数，默认是1024

• max_retries：最大重试次数。默认是1024

---
apiVersion: getambassador.io/v2
kind:  Mapping
metadata:
  name:  quote-backend
spec:
prefix: /backend/
service: quote
circuit_breakers:
- max_connections: 2048
  max_pending_requests: 2048

全局熔断器

apiVersion: getambassador.io/v2
kind:  Module
metadata:
  name:  ambassador
spec:
  config:
    circuit_breakers:
    - max_connections: 2048
      max_pending_requests: 2048
---
apiVersion: getambassador.io/v2
kind:  Mapping
metadata:
  name:  quote-backend
spec:
prefix: /backend/
service: quote