kubernetes hadoop

Kubernetes Network Model A fundamental principle of the Kubernetes network model design is that each pod has a separate IP address, and that all pods are in a flat network space that can be directly connected. So whether or not they run in the same node (host), they are required to be accessed directly from each other's IP. The reason for this principle is that the user does not need to consider ho

One. Container:1. A container is a way to run one or a set of processes, isolating these processes from other processes on the host2. Containers are similar to virtual machines, but different from virtual machinesContainer virtual machineKernel calls the host's kernel per virtual machine oneStart speed seconds-level minuteResources use only the processes in the container occupy the entire virtual machineTwo. What is Kubernets?1. is a container organizer, or container manager:Not only manages con

Heapster is a container cluster monitoring and performance analysis tool that naturally supports kubernetes and CoreOS.Kubernetes has a well-known surveillance agent-cadvisor. The cadvisor is run on each kubernetes node, and it collects monitoring data (cpu,memory,filesystem,network,uptime) for both native and container.In the newer version, K8S has integrated the Cadvisor functionality into the Kubelet com

What am I going to write?"Understand each line of code-kubernetes" will contain k8s the entire project source code analysis, considering the threshold problem, before starting to analyze the k8s I will be in some of the less difficult Golang open source projects to help you improve Golang coding skills And then through the k8s related to some of the projects, to open up obstacles to k8s learning some of the major obstacles; the final focus on fire, wi

The previous article describes the use of Traefik for service publishing in Kubernetes 1.5.2 cluster environments. Traefik is deployed in Daemonset mode, and the connection Api-server is the HTTP protocol, and RBAC is not configured. This article describes the deployment of Traefik for service publishing in the K8s 1.9 release using the deployment method.Before you begin, you need to know what RBAC is. RBAC (role-based access control) using the Rbac.a

Tags: Host file Create request Val SSM LOB environment ant followThis article describes the deployment of MySQL master-slave cluster in a kubernetes environment, with data persistence using NFS. I. Introduction to the EnvironmentMySQL Version: 5.7 Mysql Master node:Host Name: VM1IP Address: 192.168.115.5/24 Mysql slave node:Host Name: VM2IP Address: 192.168.115.6/24 NFS Node:Host Name: VM2IP Address: 192.168.115.6/24Shared Directories:/home/mysql_mast

Introduction HDFs is not good at storing small files, because each file at least one block, each block of metadata will occupy memory in the Namenode node, if there are such a large number of small files, they will eat the Namenode node's large amount of memory. Hadoop archives can effectively handle these issues, he can archive multiple files into a file, archived into a file can also be transparent access to each file, and can be used as a mapreduce

Preface After a while of hadoop deployment and management, write down this series of blog records. To avoid repetitive deployment, I have written the deployment steps as a script. You only need to execute the script according to this article, and the entire environment is basically deployed. The deployment script I put in the Open Source China git repository (http://git.oschina.net/snake1361222/hadoop_scripts ). All the deployment in this article is b

Rancher is an open-source full-stack enterprise container management platform, the user in the rancher visual interface in a single click to complete all the container infrastructure (network, storage, load balancing, etc.) docking and deployment, to ensure that the container on any infrastructure (public and private cloud, virtual machine, The physical machine, etc.) runs seamlessly. All the work of using containers in a production environment can be done with simple, intuitive operation.?start

0. PrefaceOverall architecture directory: ASP. NET core distributed project-Directoryk8s Schema Catalog: Kubernetes (K8S) cluster deployment (K8S Enterprise Docker container cluster Management) series catalogfirst, server settings1. Set the selinux of each server to disabledHow to set it up:Vi/etc/selinux/configWill selinux=disabled, then save, and then execute the command: Setenforce 0, make it effective.2, synchronize the time of each server (this s

CentOS7 configuration glusterfs for kubernetes use[TOC]1. Environmental statementSystem: CentOS7, /data mount directory for non-system partitionsdocker:1.13.1kubernetes:1.11.1glusterfs:4.1.22. Glusterfs Deployment2 nodes, 192.168.105.97, 192.168.105.98Installing with Yumyum install centos-release-glusteryum -y install glusterfs glusterfs-fuse glusterfs-serverCentOS-Gluster-4.1.repoStart up and set boot upsystemctl start glusterd systemctl enable glust

CentOS7 Build Kubernetes DashboardAn environmental statementCentos7 Three, master node one, node nodes twoDashboard requires a mirror and requires a command download:Docker Pull mritd/kubernetes-dashboard-amd64:v1.5.1PS: There are many other mirrors can also build dashboard, but this version is the Chinese version ofNote: All two node nodes need to download this image, the master node does not, because the

ObjectiveWhat is Hadoop?In the Encyclopedia: "Hadoop is a distributed system infrastructure developed by the Apache Foundation." Users can develop distributed programs without knowing the underlying details of the distribution. Take advantage of the power of the cluster to perform high-speed operations and storage. ”There may be some abstraction, and this problem can be re-viewed after learning the various

to the build image. In addition, OPS will want this OpenStack lifecycle management system to span bare metal, IaaS, and even PAAs.What Atomic, Docker, Kubernetes bringIf you have an OpenStack service lifecycle management scenario, the following benefits can be created: Isolated, lightweight, portable, detachable The service relationship of the running state is easy to describe Easy to run, easy to update Manage service life

Brief introduction:Docker: An open-source application container engine that can create a lightweight, portable, self-sufficient container for your application.Kubernetes: The Docker container Cluster Management system, which is open source by Google, provides the functions of resource scheduling, deployment operation, service discovery, capacity scaling and so on for containerized applications.ETCD: A highly available key-value storage system developed and maintained by CoreOS, primarily for sha

Article from: Listen to the Cloud blogAs our business continues to grow, our number of applications has exploded. With the growth of application explosion, the difficulty of management is increased. How to quickly complete the expansion while the business explosion is growing is a big challenge. The advent of Docker happened to solve our problem. With Docker, we can quickly complete the expansion and contraction, and the configuration is uniform and error-prone.In the Docker cluster management s

Kubernetes about the service exposure is mainly through the Nodeport way, through the binding minion host of a port, then the pod request forwarding and load balancing, but this way the defect is The service may have many, if each is bound to a node host port, the host needs to open the perimeter of a heap of ports to make services calls, management confusion Cannot apply firewall rules required by many companies The ideal way is thr

footprint.3. Log in hub.docker.com using the Docker login command4. Push the local image to hub.docker.com using a command such as Docker push Chenxizhang/mvcapp, which may take a certain amount of time, depending on your network configurationIf all goes well, you can see the following resultsNote: If you are creating your own Docker warehouse, you can learn about the Azure Container Registry service. (https://azure.microsoft.com/zh-cn/services/container-registry/), do not unfold here.Create

The next one is to deploy and expand the Kubernetes cluster based on rancher7. Configuring Redis with ConfigmapHttps://github.com/kubernetes/kubernetes.github.io/blob/master/docs/user-guide/configmap/redis/redis-configRedis-configMaxMemory 2MB Maxmemory-policy Allkeys-lru# kubectl Create Configmap example-redis-config--from-file=./redis-config# Kubectl Get configmap example-redis-config-o yamlapiversion:v1d

OverviewKubernetes is a powerful container orchestration tool that enables users to reliably deploy and run containerized applications on a scalable system. Within the container area, k8s has undoubtedly become a community standard for container orchestration and management, and even Docker has announced support for K8s. The fighting in the field of container orchestration has been turned around, and the dust settles, and k8s has been unanimously endorsed by the players including Google, Huawei,