horizontalpodautoscaler

horizontalpodautoscaler 简写是hpa 英文翻译下来就是水平pod自动扩展， 创建autoscale 就是创建的的horizontalpodautoscaler。

创建hpa

[alvin@k8s1 ~]$ kubectl autoscale deploy nginx-deploy --min=1 --max=5
horizontalpodautoscaler.autoscaling/nginx-deploy autoscaled

查看hpa

[alvin@k8s1 ~]$ kubectl get hpa
NAME           REFERENCE                 TARGETS         MINPODS   MAXPODS   REPLICAS   AGE
nginx-deploy   Deployment/nginx-deploy   <unknown>/80%   1         5         2          59m