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SpringBoot e-commerce project mall (20k+star) address: https://github.com/macrozheng/mall abstract This paper mainly analyses the tables of three functions: commodity classification, brand management and commodity types, and adopts the form of comparison between functions and table structure. Table parsing can only annotate some fields that ne ...

Catalog: Prometheus architecture K8S Monitoring Indicators and Realization Ideas Deployment of Prometheus on K8S Platform Configuration Analysis Based on K8S Service Discovery Deployment of Grafana on K8S Platform Monitoring Pod, Node, Resource Objects in K8S Cluster Visualization of Prometheus monitoring data using Grafana Warning Rul ...

Summary: In normal development, I don't know if you've ever thought about it. Why do we use spring's native annotations when we customize annotations (in this case, like @Component, @Service.......)), or just make a comment and use your own facet programming to implement some business logic?This article focuses on sharing how to inject IOC out ...

brief introduction Read the configuration using viper Creating command-line tools using Cobra Thermal overload summary The current part of the code brief introduction In the last practice, a basic restful api server was launched. There were many hard-coded attributes in the code at that time, so this time we would try to read them from the co ...

ab ab is a pressure testing tool provided by apache, which is very convenient to use. install If Apache is installed, then ab is installed. If you don't want to install apache, you can install ab in the following way # ubuntu sudo apt-get install apache2-utils # centos yum -y install httpd-tools Pressure measurement Before press ...

background In development, it is often necessary to write some field validation code, such as non-empty, length limitations, mailbox format validation, etc., which results in code full of if-else, which is not only quite lengthy, but also crazy. hibernate validator(Official Documents ) provides a set of relatively complete and convenient veri ...

Solve the single sign-on (SSO) problem after Spring Boot upgraded from 1.x to 2.x When learning Spring Cloud, when encountering the related content of authorized service oauth, he always knows half of it, so he decided to study and collate the content, principle and design of Spring Security, Spring Security Oauth2 and other permissions, authe ...

The original address of this article https://blog.lpflpf.cn/passages/nsqd-study-2/ NSQ message queue implements message landing using FIFO queue.The implementation is diskqueue, using the package github.com/nsqio/go-diskqueue. This paper mainly introduces the implementation of diskqueue.The code in this article comes from github.com/nsqio/go-di ...

background Recently, when developing applet projects with uni-app, some content that needs to be persisted can't be called like state in other vuex, so think about implementing something like vuex-persistedstate plug-in yourself. It doesn't seem like a lot of code Preliminary ideas The first thought is naturally the watcher mode of vue.Hijack c ...

This article describes how to deploy a highly available k8s cluster through Kubespray. The k8s version is 1.12.5. 1. Deployment Manual Code Warehouse: https://github.com/kubernetes-sigs/kubespray Reference documents: https://kubespray.io/#/ 2. k8s master machine configuration 3. Installation steps of k8s cluster Step 1: Set up Secret-Free Log ...