滚动更新策略 type: RollingUpdate rollingUpdate: maxSurge: 1 maxUnavailable: 0

1. type: RollingUpdate
2.   rollingUpdate:
3.   maxSurge: 1
4.   maxUnavailable: 0

 

 

maxSurge:滚动更新时最多可以多启动多少个pod
maxUnavailable:滚动更新时最大可以删除多少个pod
maxSurge和maxUnavailable可以用来决定更新是的最大pod数和最小pod数
是先启动一个pod再删除一个pod还是先删除一个pod再启动一个pod
例如
replicas是5
maxSurge: 1
maxUnavailable: 0
更新时 最大的pod数是 replicas+ maxSurge = 5+1 =6，最大的个数是6
最小pod数是 replicas - maxUnavailable = 5-0 = 5,最小pod数是5，所以只能先启动一个pod，再删除一个pod

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标签：rollingUpdate,maxSurge,maxUnavailable,location,pod,type,数是
来源： https://www.cnblogs.com/gaoyuechen/p/16523381.html