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Video directions 👉 Station B dark horse micro service Super recommended!! Getting to know Elasticsearch 1. Understand ES Elastic search is a very powerful open source search engine with many powerful functions, which can help us quickly find the content we need from massive dataElastic search combines kibana, Logstash and Beats, that is ...

Sleuth, Zipkin and Brave Let's talk about the relationship among spring cloud, sleuth, Zipkin and brake. First of all, you may have more contact with Spring Cloud Sleuth, which is the Spring framework family (why not call it the Spring Cloud framework family here? In fact, this is because Sleuth, like other components in the Spring framework, ...

In Spring Cloud, a framework of Spring Cloud Config was developed to build a configuration center, and configuration servers and multiple configuration warehouse implementations were provided. Introducing maven dependencies <dependency>        <groupId>org.springframework.cloud</groupId>        <artifactId>spring-cloud- ...

Miscellaneous knowledge Parent project development steps Module writing steps Business class preparation The writing steps are as follows Dependency management knowledge Maven uses the dependencyManagement element to provide a way to manage dependent version numbers. Usually you will see the dependency management element in the p ...

As one of the basic functions of microservices, the registry plays an important role. Microservices divide individual services into services under different modules, and what about communication calls for services of different modules? This requires service registration and discovery. This article will use Alibaba's open source project nacos to ...

1, First, understand what Semaphore and thread pool do respectively? Semaphore is a concurrency tool class, which is used to control the number of threads that can be concurrent at the same time. It internally maintains a set of virtual licenses, and specifies the number of licenses through the constructor. Each time a thread performs an opera ...

Gateway gateway The core of the Spring Cloud Gateway component is a series of filters that can forward (route) requests sent by clients to corresponding services. Supplementary notes & benefits Gateway replaces a solution from Netflix ZuulHide the IP / port information of the serviceProvide a unified API route management method (url mana ...

With the development of business and the upgrading of micro service architecture, the number of services and the configuration of programs are increasing day by day (various micro services, various server addresses and various parameters). The traditional configuration file method and database method can not meet the requirements of developers ...

Installation steps: Download from the official website: Official website Database preparation Deployment tutorial Simply put, you need to build a seata database in the database, which stores some data that needs to be rolled back at that time sql script You also need to create an undo table in the database you need to roll back to roll b ...

1, Introduction to Nacos configuration center Nacos provides two services, one is the Naming Service for service registration and discovery, and the other is the Config Service for configuration center and dynamic configuration. Their bottom layers are supported by the core module. The outer layer provides OpenAPI for clients, and provides Use ...