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catalogue 1. General 2. Other usage of hystrix service degradation 3. Hytrix realizes fusing 4. Overview 5. official account 1. General As the old saying goes: only by controlling your emotions can you control your life. Impulse is the devil, calm is the most important. To get back to business, I talked about how to add a degradation ...

Spring cloud Alibaba: introduction to nacos configuration center 1, Introduction to configuration center 1. Introduction Nacos provides key/value storage for storing configuration and other metadata, and provides server-side and client-side support for externalized configuration in distributed systems. Using Spring Cloud Alibaba Nacos Config ...

1. Build an aggregation project in idea. Both the parent project and the child project are module s. In the pom file of the parent project, do the following: In the 1.1 POM file, unified version management is configured <dependencyManagement> <dependencies> <!--spring boot Core dependent version definition(s ...

1, Preparatory work 1. Create configuration center Create a moudle for spring boot Select Eureka Server Modify pom.xml file <?xml version="1.0" encoding="UTF-8"?> <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 ...

Zero to one registry and load balancing of spring cloud Friends who know about distributed services must be familiar with zookeeper. It plays the role of a registration center, and then you can register and subscribe to services through Dubbo. Microservices are a collection of distributed products. They also need a registry to register and ...

1, Spring Cloud Config distributed configuration center Spring Cloud Config 1. Configuration problems faced by distributed systems Microservice means to split the business in a single application into one sub service. The granularity of each service is relatively small, so there will be a large number of services in the system. Becau ...

What is a distributed lock For example, when "process 1" uses the resource, it will first obtain the lock. After "process 1" obtains the lock, it will maintain exclusive access to the resource, so that other processes cannot access the resource. After "process 1" uses up the resource, it will release the loc ...

Using Docker to build zookeeper cluster environment Start docker service The above situation indicates that the docker is not started and the docker service needs to be started manually service docker start This error is reported when starting the service [root@localhost ~]# docker start 722cb567ad8b Error response from daemon: d ...

At present, Spring Cloud Gateway is the second most popular Spring Cloud project after Spring Cloud Netflix (in terms of stars on GitHub). It was created as a successor to the Zuul agent in the Spring Cloud family. The project provides an API gateway for microservice architecture, which is built based on reactive Netty and Project Reactor. It a ...

1, Introduction to SpringCloud Alibaba Nacos The full name of Nacos is Naming Configuration Service. Taking the first two letters of Naming and Configuration and s of Service, it is the Configuration management and Service management center. In short, Nacos = Eureka + Config + Bus, that is, the combination of registry + configuration center. ...