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k8s service 负载均衡策略probability，k8s service 负载均衡策略 健康监测

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标题：深入解析 Kubernetes Service 负载均衡策略之 Probability

在 Kubernetes 中，Service 是一种重要的抽象概念，用于提供对一组 Pod 的稳定网络访问，而负载均衡策略则是 Service 实现高效资源分配和请求分发的关键机制之一，Probability（概率）负载均衡策略为我们带来了一种独特的方式来灵活控制请求在多个后端 Pod 之间的分配比例。

一、Probability 负载均衡策略概述

Probability 策略允许用户为每个后端 Pod 定义一个概率值，Kubernetes 会根据这些概率值来随机选择要处理请求的 Pod，通过合理设置概率值，可以实现对请求流量的自定义分配，满足各种复杂的业务需求。

二、配置 Probability 负载均衡策略

要使用 Probability 负载均衡策略，首先需要在 Service 的定义中进行相应的配置，以下是一个示例的 Service 配置，其中包含了 Probability 策略的设置：

apiVersion: v1
kind: Service
metadata:
  name: my-service
spec:
  selector:
    app: my-app
  type: LoadBalancer
  sessionAffinity: None
  sessionAffinityConfig: {}
  externalTrafficPolicy: Cluster
  externalTrafficPolicyConfig: {}
  loadBalancerIP: 10.0.0.10
  ports:
  - name: http
    port: 80
    targetPort: 8080
    protocol: TCP
  sessionAffinityConfig:
    clientIP:
      timeoutSeconds: 1200
  externalTrafficPolicy: Cluster
  externalTrafficPolicyConfig: {}
  loadBalancerIP: 10.0.0.10
  sessionAffinityConfig:
    clientIP:
      timeoutSeconds: 1200
  sessionAffinity: None
  externalTrafficPolicy: Cluster
  externalTrafficPolicyConfig: {}
  loadBalancerIP: 10.0.0.10
  sessionAffinityConfig:
    clientIP:
      timeoutSeconds: 1200
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  sessionAffinity: None
  externalTrafficPolicy: Cluster
  externalTrafficPolicyConfig: {}
  loadBalancerIP: 10.0.0.10
  sessionAffinityConfig:
    clientIP:
      timeoutSeconds: 1200
  sessionAffinity: None
  externalTrafficPolicy: Cluster
  externalTrafficPolicyConfig: {}
  loadBalancerIP: 10.0.0.10
  sessionAffinityConfig:
    clientIP:
      timeoutSeconds: 1200
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerSourceRanges:
  - 192.168.0.0/16
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP: 10.0.0.10
  loadBalancerIP:

标签： #K8s #Service #负载均衡 #健康监测

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