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   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 ...

SpringCloud Alibaba Nacos What is Nacos Nacos is the first two letters of Naming and Configuration, and the last S is Service A dynamic service discovery, configuration management and service management platform that is easier to build cloud native applications Nacos is the combination of registration center + configuration center Eureka+C ...

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 ...

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 ...

Crazy God said spring cloud learning notes - KuangStudy - article 1.1 learning premise Proficient in using SpringBoot microservice rapid development frameworkLearned about Dubbo + Zookeeper distributed Foundation The configured memory of the computer is no less than 8g (my own is 16G) Let's see the memory overhead diagram of multiple serv ...

1, Distributed transaction problem A business operation needs to be called remotely across multiple data sources or across multiple systems, which will lead to distributed transaction problems. give an example: Business logic for users to purchase goods. The whole business logic is supported by three micro services: Warehousing service: ...

5. Use and explanation of SpringCloud Netflix Config 5.1 introduction In the distributed system, due to the large number of services, the configuration files are scattered in different micro service projects, which is inconvenient to manage. The Spring Cloud Config component is mainly used to centrally manage configuration files. It supports ...

As the Spring Cloud Netflix project enters the maintenance mode (putting the module in the maintenance mode means that the Spring Cloud team will not add new functions to the module, but will only fix block level bug s and security problems), Alibaba team provides us with a new one-stop solution for microservice development See official in ...

3. Use and explanation of SpringCloud Netflix OpenFeign Feign can hide the Rest request and disguise it as a Controller similar to spring MVC. It doesn't need to splice URL s, parameters and other operations by itself. Feign can take over these and complete them automatically. 3.1 use of Feign 3.1.1. Dependency import In the pom file of con ...