apiserver报错failed with: failed to retrieve openAPI spec, http error: ResponseCode: 503
今天上k8s集群，kubectl命令操作卡顿，执行kubectlgetnode命令返回有时很快，有时能卡好几十秒。然后检查apiserver日志，发现了以下信息v1beta1.metrics.k8s.io failed with: failing or missing response from https://10.106.18.58:443/apis/metrics.k8s.io/v1beta1: Get https://10.106.18.58...