Spring Cloud Learning Notes: Eureka Registry

brief introduction Eureka is Netflix open source rest-based service governance scheme, which is divided into Server and Client, Server is the registry, and other micro-services are registered and discovered by connecting Server through Client. Project introduction sc-parent, parent module sc-provider, provider module sc-eureka, Registry sc-con ...

Posted by djcee on Wed, 11 Sep 2019 06:45:01 +0200

Java Style, Hot Deployment, Supporter behind JVM Java Agent

We don't really have many opportunities to write Java Agents in general, or we hardly need them.But in fact, we've been using it all along, and there's a lot of contact.These techniques all use Java Agent technology, so you can see why. - Debugging capabilities of individual Java IDE s, such as eclipse, IntelliJ; - Hot deployment features, su ...

Posted by genistaff on Wed, 11 Sep 2019 03:40:34 +0200

Smooth upgrade and rollback of Nginx version in 1 minute

Nginx is a knowledge point for operation, maintenance, development and testing. Many articles about Nginx have been written before. Nginx Service Introduction and Installation Introduction to Nginx Service Profile Nginx Configuration Virtual Host Nginx reverse proxy load balancing configuration Nginx+Tomcat Multi-instance and Load Balancing Co ...

Posted by zingbats on Tue, 10 Sep 2019 09:15:54 +0200

How containers in Tomcat handle requests

Preface Previous Article How connectors are designed in Tomcat Describes the design of connectors in Tomcat. We know that connectors are responsible for listening to network ports, getting connection requests, then converting Servlet-compliant requests to containers for processing. This article will follow the ideas of the previous article to ...

Posted by sonny on Mon, 09 Sep 2019 04:48:27 +0200

Java Micro Services: Service Consumer and Provider Setup

This article goes on to the last article, " Java Micro Services (1): Use of the dubbo-admin console , the previous article introduced the installation of the docker, zookeeper environment, and demonstrated the use of the dubbo-admin console by referring to the Dubbo website.The zookeeper service registry has been set up in the last article ...

Posted by mephistoo on Sun, 08 Sep 2019 06:44:48 +0200

Zuul-Zuul Performance Tuning-Layer 2 Timeout Tuning of Gateway

1) Zuul timeout tuning Why optimize Zuul's timeout Interpretation based on the figure above Zuul's underlying Hystrix calls Ribbon and services to communicate. By default, it uses Hystrix thread pool isolation to open a thread in the gateway to ...

Posted by dwest on Sat, 07 Sep 2019 14:34:46 +0200

Mybatis implements additions, deletions, modifications and checks

The previous article introduced the introduction of Mybatis, followed by the previous continuation, can achieve the addition and deletion of Mybatis check. First, the test class needs to be modified. package com.w.test; import java.io.IOExcept ...

Posted by robot_nader on Sat, 07 Sep 2019 13:34:11 +0200

Spring Boot - Integrating Shiro

Generally speaking, Spring Security is the mainstream solution for privilege management in Spring Boot, but Shiro can be used only from a technical point of view. Generally speaking, the comparison between Spring Security and Shiro is as follows ...

Posted by zeeshan_haider000 on Sat, 07 Sep 2019 11:00:01 +0200

15. Feign Integrated Circuit Breaker Monitoring Hystrix Dashboard

Public number: java paradise Ribbon can integrate circuit breaker monitoring Hystrix Dashboard, Feign can not be less, this article explains how Feign integrated circuit breaker monitoring Hystrix Dashboard. This paper mainly integrates sc-eureka-client-consumer-feign-hystrix project and sc-hystrix-dashboard project. 1. New project sc-feign-hys ...

Posted by hrdyzlita on Sat, 07 Sep 2019 06:05:16 +0200

Hive format for storing and reading files

Hive files are stored in the following formats: TEXTFILE SEQUENCEFILE RCFILE ORCFILE (since 0.11) TEXTFILE is the default format, which will be defaulted if tables are not specified. When data is imported, data files will be copied directly ...

Posted by MatrixGL on Fri, 06 Sep 2019 04:28:02 +0200