Programming VIP

order This paper focuses on the Federation manager of artemis FederationManager activemq-artemis-2.11.0/artemis-server/src/main/java/org/apache/activemq/artemis/core/server/federation/FederationManager.java public class FederationManager implements ActiveMQComponent { private final ActiveMQServer server; private Map<String, Federatio ...

The essence of jsp The essence of jsp is servlet. You have deployed Java Web project with tomcat, and you know how to generate the corresponding servlet of jsp page in the work directory. The essence of servlet is to encapsulate socket jsp page <%-- Created by IntelliJ IDEA. User: wy Date: ...

Key knowledge points: Maven's assembly plug-in implements custom packaging deployment (including dependent jar packages) At present, there are several common deployment methods of spring boot project. 1. Use the docker container to deploy, build the application of springboot into a docker image, and then start the image through the containe ...

I. Preface As mentioned earlier, Dubbo's service discovery mechanism, that is, SPI. Now that Dubbo has implemented a more powerful service discovery mechanism, let's take a look at what Dubbo needs to do to register services in the registry after discovering services. 2, Introduction to Dubbo service registration The first thing to understand i ...

1 <dependency> 2 <groupId>org.projectlombok</groupId> 3 <artifactId>lombok</artifactId> 4 <version>1.18.0</version> 5 <scope>provided</scope> 6 </dependency> 7 <!-- Add code generator dependencies --> 8 <dependency> 9 <groupId>org. ...

1. Preparation 1.ZooKeeper cluster installation: if you do not know about ZooKeeper installation, please click the link to learn: Installation of ZooKeeper cluster 2.Kafka cluster installation: if you do not know the installation of ZooKeeper, please click the link to learn: Installation of Kafka clus ...

General introduction 1. Next, our spring MVC + mybatis + MySQL elementary and advanced course takes the Dept Department module as a general case of microservice Consumer consumer consumer (Client) calls the service provided by Provider provider (Server) through REST 2. Review of Maven's subcontract mo ...

I can't understand a pure technical article so long ago. I suddenly said that it contains sensitive words. I got off the shelf and asked me to resend it... ------   In the process of writing Hadoop MapReduce program, sometimes we need to use some shared global data in mappers or reducers. For exam ...

https://blog.csdn.net/w2456/article/details/53943080/ 1. Preparations Domain name one Free certificate (recommended: Tencent cloud, Alibaba cloud and cheap ssl are free configurations, and then download the certificate first) One Centos server nginx 1.10.2 1 2 3 4 5 2. Install nginx Installation tutorial ht ...

Note: Please note that this is just a MR training project. In practical application, do not use MR calculation friend recommendation and calculation program of directed acyclic graph logic. Because MR will need to write intermediate results to disk, disk IO greatly reduces efficiency. Hadoop is a bit b ...