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Redis Chapter 4 implementation of distribution lock and Lua script + native code implementation In the previous article, redistribute was introduced. The application of redistributed in distributed locks is very simple and convenient, but redistribute itself is a encapsulated framework. In this section, we explore the implementation of Redis's ...

catalogue Message response concept Automatic response Method of message response Multiple explanation Manual response implementation 1. Prepare tools 2. Producers 3. Two consumers with different sleep time 4. Effect display Messages automatically rejoin the queue Effect demonstration: Message response concept It may take some ...

Inside Kafka, there is a__ consumer_ The topic of offsets. This topic mainly saves the offset of each consumption group to the consumption of the partition under the topic, that is, to which offset it is consumed. In order to realize the function of offset management of consumption group, when a consumer obtains a message, it is necessary for t ...

RabbitMQ cluster rabbitmq has three modes, but the cluster mode is two. As follows: the first mock exam is that single machine does not cluster, and runs rabbitmq alone. I've been using it before Normal mode: the default mode. Take two nodes (A and B) as an example When the message enters the Queue of node A and the consumer consumes from ...

Model testing system is a sub project of ZStack woodpecker. Through the finite state machine and behavior selection strategy, it can generate random API operations and run until a defect or predefined exit condition is encountered. ZStack relies on model testing to test boundary use cases that are difficult to meet in the real world, and comple ...

★ micro service series Microservices 1: microservices and its evolution history Microservice 2: microservice panoramic architecture Microservice 3: microservice splitting strategy Microservice 4: service registration and discovery Microservice 5: service registration and discovery (practice) 1 service registry Previously, we introduced several ...

    The packaged plug-in of Spring Boot is very cool to use. It can directly type the source code and all dependencies into a Jar package, and it can also run directly in Java Jar. What if a non Spring Boot project wants to make an executable Jar package? ​ Don't panic, Maven is an old building tool. It's not easy to get this done! ​ Here a ...

preface reference material: <Spring Microservices in Action> Principle and practice of Spring Cloud Alibaba microservice "Spring cloud framework development tutorial in Silicon Valley of station B" Zhou Yang Spring Cloud Ribbon is a set of client-side load balancing tools based on Netflix Ribbon; Provide the software loa ...

1, What is Sleuth distributed link request tracking Official website: https://github.com/spring-cloud/spring-cloud-sleuth In the microservice framework, a request initiated by the client will be called by multiple different service nodes in the back-end system to produce the final request result. Each request will form a complex distribut ...

catalogue preface Build canal preface Previously, we have built elasticsearch and elasticsearch head and integrated spring data elasticsearch. The following is the need to use canal to connect mysql and elasticsearch in series. Build canal First, we go to GitHub to find the warehouse of canal, and we can see the working principle of ca ...