three hosts were placed at the beginning of deployment. Now expand the cluster (add 2). You can see the button to add a new cluster on the interface, but you cannot see the button to add a new host to the existing cluster. It is estimated that you may have to use RKE to
the cluster is built on Aliyun VPC. The computer enters the intranet by connecting to the openvpn located above the gateway (172.16.10.1). k8s (calico) cluster is on the same network segment, and the ip of the machine can be accessed now I think oth...
I want to change the nodePort range of K8s and modify the startup parameters of kube-apiserver. however, when I added this parameter, I found that the api would not work as long as the port range was not 30000-32768. I have another environment, th...
how to apply kubernetes?, which is unlikely to be hosted in the cloud in the traditional financial industry ...
I learned about Kubernetes for the first time and did a little test about Kubernetes according to the authoritative guide of Kubernetes related environment is: centos7 64-bit Kubernetes 1.5.2 docker 1.13.1 etcd 3.2.22 etcd,Kubernetes,docker ...
now I have 8 node, programs running the same java program in K8s. if you send a message to someone at 10:00 every day, eight node will be sent eight times. but you only need to send it once. is there any way to set flag bits to allow 8 node messages...
kubeadm init before I started the command, I had already set up the http and https agents, but there was still an error. What is the reason for this? [preflight] Some fatal errors occurred: [ERROR ImagePull]: failed to pull image [k8s.gcr.io kube...
problem description deploying spark on kubernetes requires at least 3 CPU. Using the kubernetes feature of docker will cause an error 1 Insufficient cpu, 1 Insufficient memory . the environmental background of the problems and what methods you ha...
problem description kubernetes dns horizontal expansion document: https: kubernetes.io docs ta. uses cluster-proportional-autoscaler ( https: github.com kubernetes.) Why not just use HPA? What s the difference between HPA and cluster-proportiona...
Today, I heard others say that when designing a micro-service architecture, all the kubernetes that can be implemented by, spring cloud can be realized. I don t know how to understand spring cloud, as I understand it, should be an one-stop way to bui...
problem description recently, I have been looking at things related to automated operation and maintenance devops, and some problems are not quite clear for the time being. Hope God to inform premise: springcloud deployment, there are probably regist...
was originally tested on a local test machine, and the environment was tested on a stand-alone version of K8s of 1.9.2. The configuration files are mainly as follows: provisioner.yml kind: Deployment apiVersion: extensions v1beta1 metadata: name: n...
intends to make the back-end microservice, so the technology stack uses spring cloud. The first idea is to deploy eureka to K8s and communicate with each other through K8s service. But the authors of some documents suggest marking pod to let pod communic...
The Service of K8s can achieve load balancing and can detect the status of each pod. Is it possible not to apply Eureka-server? ...