Programmer Think

Two components of Eureka (vi)Eureka Server: Provides service registration services After each micro-service node is started by configuration, it will be registered in Eureka Server, so that the service registry in Eureka Server will store information of all available service nodes, and the information of service nodes can be visualized in the ...

ZooKeeper is a distributed service framework and a sub project of Apache Hadoop. It is mainly used to solve some data management problems often encountered in distributed applications, such as: unified naming service, state synchronization service, cluster management, distributed application configuration item management, etc ZooKeeper is a tr ...

Performance test of 1/ Log4j2 It is not difficult to see from the figure that the performance is the best when the number of online processes is between 2 and 16, and synchronous and asynchronous logger s are used to print logs. 2/ target Mixed sync/async Color log Classification output to different files Automatically compress and archive lo ...

(1) There are three methods of timing call in java code: Method 1: use thread Create a thread and keep it running in the while loop. Use the sleep method to achieve the effect of timing tasks. The code is as follows: public static void main(String[] args) {       final long timeInterval = 1000;       Runnable runnable =  ...

*With the advent of cloud platforms, big data, etc., users or potential visitors increasingly want to experience products for free, especially to apply for a system (such as turning on virtual machines, starting docker, etc.). However, the system hardware resources are limited. How can users actually operate cloud platform resources? That is a ...

1. Error log alarm practice 1.1. demand In order to understand the system error in real time more conveniently, I began to look for the alarm solution 1.2. thinking 1.2.1. No bad plan If there is no shortage of money and a more systematic and perfect solution, the first thing I think of is CAT. It can not only realize error alarm, but also be m ...

Catalog Spring Boot Integration ThymeleafProject steps for integrating Thymeleaf with Spring Boot Thymeleaf syntax details Spring Boot Integration Thymeleaf Spring Boot integrates Thymeleaf (the official view layer technology recommended by Spring Boot) Thymeleaf feature: Thymeleaf renders html tags through specific syntax. Project steps ...

Change from: https://www.ericgg.com/archives/3848.html The default log files of springboot will not be automatically divided by day, so the log files of the production environment are getting larger and larger, which is not conducive to troubleshooting. After checking a lot of data, the final configuration is as follows. The log files can be d ...

The concept of force oriented graph is not discussed in detail here. It is suitable for drawing relational information; Here are a few knowledge points about the force guide diagram: 1,d3.forceSimulation([nodes]) Create a new force map; 2,simulation.force(name[, force]) If force is specified, the force (mechanical model) of the specified name i ...

Author: Lao Wang Tan operation and maintenancehttps://www.toutiao.com/a6691523026984370699/ What is the performance of mysql running? Is the parameter setting reasonable? Is there any hidden danger in the account setting? As the saying goes, if you want to be good at something, you must first make use of the device. Regular physical examinati ...