Programmer Group

1. What is sentinel? With the popularity of microservices, the stability between services becomes more and more important. Sentinel takes traffic as the entry point, and protects the stability of services from multiple dimensions such as traffic control, fuse degradation, system load protection, etc. Sentinel has the following characteristics: ...

  Preface Last article Spring Cloud advanced Road 15: service gateway integrated circuit breaker (zuul + hystrix) In, describes how the service gateway integrates the circuit breaker. However, like other service integrated circuit breakers before, we still can't see the relevant information of circ ...

Leyou mall project construction Learning objectives 1. Understand the e-commerce industry 1.1. Project classification 1.1.1. Traditional projects 1.1.2. Internet Project 1.2. Development of e-commerce industry 1.2.1. money scene 1.2.2. data 1.2.3. Technical characteristics 1.3. Common e-commerce ...

Fast setup of spring cloud Spring Cloud is a microservice framework, which is based on spring boot, a complete set of distributed system solutions provided by Spring Cloud.   First, we use gradle to create: Select JDK and check Java, then next Package name already has project name. Next step: Select our local gradle package and continue ...

Maven Maven is an automated build tool that focuses on project building and dependency management for the Java platform. Project Object Model: Project Object Model. The information of Java project is encapsulated as object form, which is convenient for operation and management. Maven action 1 add the third-party jar package: after using Maven, ...

1, Maven compiler plugin 1. It is used to set the jdk version used when maven is packaged. maven is a java framework, so it is only for jdk. scala needs to set it separately. 2.usage 2.1. Setting plug-ins <plugin> ...

The default version of Tomcat used in Maven is 6.0, which is not applicable in many development applications. The commonly used Tomcat plug-ins on the Internet are Tomcat 7-maven-plugin version 2.2, 3.0-r1655215 of tomcat8-maven-plugin (this version needs to be downloaded on the image server, and the specific configuration is as follows) Add ...

Summary When setting excel file protection, you can usually choose to encrypt and protect the entire workbook, and you need to enter a password when opening the file; or you can encrypt the specified worksheet, that is, you can set the content of the table to read-only, and you cannot edit the worksheet. In addition, you can also set protection ...

docker opens remote access interface docker has to set up the environment, so it won't be repeated here. It won't have to go to Baidu by itself, just a few commands. To push a local image to the docker container of alicloud, you need to enable remote access First edit the host file of docker / lib/sys ...

What is hystrix? hystrix is a fuse protection middleware used by netflix for microservice distributed system. hystrix provides elegant response results to clients after the service is not reachable or the request times out. Why use hystrix? In the microservice scenario, many services depend on e ...