Programmer Think

   according to the business requirements that business developers usually face, we divide the log into operation (request) log and system operation log. The operation (request) log allows administrators or operators to easily query and track the specific operations of users in the system interface, so as to analyze and count user beh ...

We will use a series to explain the complete practice of microservices from requirements to online, from code to k8s deployment, from logging to monitoring. The whole project uses the micro services developed by go zero, which basically includes go zero and some middleware developed by relevant go zero authors. The technology stack used is basi ...

Introduction to RocketMQ For detailed explanation, you can view the following documents: rocketmq Basics RocketMQ It is an open source distributed messaging system, based on high availability distributed cluster technology, which provides low latency and highly reliable message publishing and subscription services. At the same time, it is wid ...

Carry out unified authentication through authentication service, and then verify authentication and authentication through gateway. Nacos will be used as the registration center, Gateway as the Gateway, and nimbus Jose JWT JWT library will be used to operate JWT tokens Theoretical introduction Spring Security is powerful and easy to ...

1. Introduction to micrometer Micrometer provides a general API for performance data collection on the Java platform. Applications only need to use the general API of micrometer to collect performance indicators. Micrometer will be responsible for completing the adaptation with different monitoring systems. This makes it easy to switch the mon ...

We will use a series to explain the complete practice of microservices from requirements to online, from code to k8s deployment, from logging to monitoring. The whole project uses the micro services developed by go zero, which basically includes go zero and some middleware developed by relevant go zero authors. The technology stack used is basi ...

Distributed transaction Monomer application In a single application, a business operation needs to call three modules to complete. At this time, the consistency of data is guaranteed by local transactions. Microservice application With the change of business requirements, individual applications are divided into micro service applications ...

1. Spring MVC overview 1.1 spring MVC concept Spring MVC is also called Spring web mvc. Spring is a built-in MVC framework in spring 3 Publish after 0. Spring MVC framework solves the common problems in WEB Development (parameter receiving, file uploading, form verification, etc.), and it is simple to use and has nothing to do with spring Sea ...

I Build a simple microservice project 1. Evolution from monomer architecture to microservice architecture The single architecture we first came into contact with has only one project for the whole system. The packaging is often made into a war package and then deployed to a single tomcat. This is the single architecture, as shown in the figur ...

1, Project module introduction and database design 1. Engineering structure 2. Module introduction Guli parent: online teaching root directory (parent project), managing four sub modules Canal client: canal database table synchronization module (statistical synchronization data)Common: parent node of common module Common util: ...