Programmer Help

Holistic diagram image.png 1. Build Consul Server Cluster REF sites: https://github.com/hashicorp/consulhttps://www.consul.io/downloads.html Procedure omitted (ACL) [root@hadoopnode3 ~]# consul members -http-addr=10.0.0.8:8500 Node Address Status Type Build Protocol DC Segment node104 10.0.0.104:8301 ...

Last article This article mainly discusses the dependencies introduced by springboot We all know that to make a web application with springboot, the first thing we need to do is to introduce related dependencies. There are two steps: 1. Add spring boot starter parent 2. Introduce spring boot starter Web So far, all the web dependencies have ...

In the distributed environment, some dependent services may fail, affecting the stable operation of the system.Hystrix controls the interaction of components among distributed systems by adding delay threshold and fault-tolerant logic.Hystrix can achieve fault tolerance by isolating access points between services, stopping cascading failures be ...

Now most of the projects have started to be deployed on Docker, but the deployment phase is still a bit cumbersome, so this article wants to explain how to use IDEA one click deployment. Docker configuration Modify profile Open the configuration file of Docker: vim /usr/lib/systemd/system/docker.service Comment out the following line: # ExecSt ...

Although SMS verification is now the most popular and commonly used method of verification, email verification is still indispensable and still one of the necessary functions of the website. Any registration verification, forgetting password or sending marketing information to users can use the e-mail function. In the early stag ...

This blog post describes how we use the Jacobo Maven plug-in to create code coverage reports for unit and integration tests. Our construction requirements are as follows: When running tests, our build must create code coverage reports for unit and integration tests. Code coverage reports must be created in a separate directory. In other words, ...

[foreword] note that the version of mybatis plus is related to the version of springboot. The version of springboot-2.1.4.RELEASE that I used at that time, and the version of 3.1.1 that mybatis plus used, directly overturned the car, which made me doubt the capital of life. Later, I changed it to the version of springboot-2.0.5.RELEASE... Othe ...

On May 5, 2019, the open-source IP address location library ip2region 1.9.0 was released, and its function is still very good. Next, I will apply ip2region to analyze the IP address I. download and decompress the ip libraryThe address is: https://github.com/lionsoul2014/ip2region/archive/v1.9.0-release.tar.gzdecompression Paste ip2region.db in ...

1. Overview of spark-streaming 1.1 Common real-time computing engines Real-time computing engines, also known as streaming computing engines, currently have three commonly used:1. Apache Storm: True Streaming2. Spark Streaming: Strictly speaking, it's not really streaming (real-time computing)Processing continuous streaming data as discrete RD ...

Create project Create a new blank project Create parent project Check Maven do not check any frame - > com.zf.edu common parent  Delete src and add some codes  Create model subproject   Create a new model Write the field first, and then press and hold the shortcut key to generate the method (command+n select setting all to confirm)  ...