Programmer Group

Absrtact: using SQL as the entry of data query and analysis is an idea of data full stack. This article is shared from Huawei cloud community< How to use SQL to analyze data? >, author: zuozewei. preface We process user data in real time through OLTP (online transaction processing) system, and we also need to analyze them in OLAP ( ...

Let's start with a question. How many steps does it take for a new machine to run a regular spring boot project? 1. Download and configure java environment, mysql environment and redis environment (step 6) 2. Initialize mysql database and import sql files (step 2) 3. Download the jar package and start (step 2) As like as two peas Ling Wan ...

Overall scheme of dispatching center XXL job transformation target Our dispatching center is generally built in the spring environment. The native support scheme of XXXL job requires @ xxxjob ("xxx") annotation. However, our self-developed scheduling center supports scheduling by configuring beans and bean methods (methods can ...

Docker 1, Overview The deployment environment (Redis, ES, Hadoop...) is required to publish a project. It is very troublesome to redeploy the environment on the server and cannot cross platform. Therefore, it is processed by Docker with Windows, and finally released to Linux. Traditional: development jar, operation and maintenance deplo ...

[docker series] docker learning IV. principles related to imageWhat is mirroring?Mirroring is a lightweight, executable, stand-alone software package.Image is used to package the running environment of software and software developed based on the running environment. It contains all the contents required to run some software, such as code, runt ...

Introduction to Podman K8s has become the industry standard. If k8s is too complex, you can use Ranger 2.0 + to simplify the operation and maintenance of k8s. In CentOS 8, the default container is podman, which is no longer a docker. You can quickly manage images (similar to Time Machine with system), quickly create container environment ...

Server node: k8s-master01192.168.1.50k8s-node01192.168.1.51k8s-node02192.168.1.52 1, To install docker, all servers need to be installed Install the dependent libraries of Docker. yum install -y yum-utils device-mapper-persistent-data lvm2 Add the software source information of Alibaba cloud Docker CE. yum-config-manager --add-repo http: ...

preface Basic principles and common commands of docker virtual machine Host OS and Guest OSSoftware such as VMWare operates the hardware directly or through the Host OS, as shown in the following figure Running multiple virtual machines will cause a lot of waste of hardware resources, and docker technology came into being container Differ ...

How to deploy your own project using docker? A while ago, the company had a need to deploy the project to the local privatization. I didn't study the server and it was very laborious to build it, so I used docker to make a series of images of project privatization deployment. Now I write a blog to record the process of learning and building ...

    hbase is a member of hadoop ecology. To build hbase first, you need to install hadoop, then zookeeper, and then hbase. Now hbase can be installed directly through docker, and hadoop is not required in the container.     The installation is simple. Directly pull the image and run it. docker run -d --name hbase -p 2181 ...