What is? Spring cloud alibaba

Spring Cloud Alibaba It is a one-stop solution for microservice development provided by Alibaba , It's Alibaba open source middleware and Spring Cloud Integration of systems .

Mr. Ma's left hand is double eleven , Right hand Alibaba open source component , Not only does it take up the programmer's shopping cart , We need to capture our development tools .

This picture is Spring Cloud Alibaba Series components , It includes the open source components of Alibaba , Alibaba cloud commercialized components , As well as the integration Spring Cloud Components .

 

How to learn Spring Cloud Alibaba

 

 

However, there are few complete learning notes on the market , In this special arrangement for a long time of learning ideas map original and Spring Cloud Alibaba Learning manual notes to share with friends ！ For reasons of length , This article only shows the table of contents and screenshots of the content ,

Spring Cloud Alibaba Study manual notes

All the technical components involved in this note use “ scene → demand → Solution → application → principle ” Efficient technology learning model design , So that you know what it is and why . stay “ principle ” part , I use a lot of source code and graphics to analyze , To help readers achieve the goal of deep learning and understanding of technical components ！

 

Basic contents

Microservice architecture pattern is from SOA Architecture patterns have evolved , Than SOA The architecture pattern is more refined , Let professional people do professional things （ focus ）, The aim is to improve efficiency , Each service does not affect each other , Each service in the microservice architecture must be deployed independently 、 They don't influence each other , The microservice architecture model is lightweight 、 Lightweight 、 Suitable for the development mode of Internet companies . This part focuses on the analysis and explanation of , The contents are as follows ：

 

The content of the basic chapter is displayed

 

Micro service environment building chapter

 

Content display

 

Service management —Nacos

Nacos Dedicated to helping you discover 、 Configure and manage microservices .Nacos Provides an easy-to-use feature set , Helps you quickly implement dynamic service discovery 、 Service configuration 、 Service metadata and traffic management . This section provides an in-depth understanding of the use of Nacos And the bottom ！

 

The content of service governance is displayed

 

Service fault tolerance —Sentinel

Sentinel It is a lightweight traffic control framework for distributed service framework , The main pointcut is traffic , Slave flow control , Fusing the drop , System load protection and other dimensions to maintain the stability of the system . This part mainly explains Sentinel, The main contents are as follows ：

 

Fault tolerant service

 

Service gateway —Gateway

Microservice gateway is the whole microservice API Request entry , Filtering can be achieved Api Interface . effect ： Can realize the user authentication login 、 To solve the cross domain 、 Log blocking 、 Access control 、 Current limiting 、 Fuse 、 Load balancing 、 Blacklist and white name single machine system, etc . This part focuses on the analysis of Gateway, The main contents are as follows ：

 

Service gateway

 

Link tracking —Sleuth

Spring Cloud Sleuth Provides a complete service tracking solution , In the distributed system, link tracing solution is provided and compatible zipkin. This part mainly analyzes sleuth, The contents are as follows ：

 

Link tracking section content display

 

Message driven —RocketMQ

 

Message driven content presentation

 

SMS service article —SMS

SMS service （Short Message Service） It is the ability of a communication service provided by alicloud for users .

• Product advantage ： The coverage is comprehensive 、 High concurrency processing 、 Message heap processing 、 Development management is simple 、 Intelligent monitoring and scheduling
• Product function ： SMS notification 、 SMS verification code 、 Promote SMS 、 Asynchronous notification 、 Data statistics
• Application scenarios ： SMS verification code 、 System information push 、 Promote SMS, etc

 

Content display

 

Service configuration —Nacos Config

 

 

Distributed transaction —Seata

Seata Is designed to be non intrusive to the business , Therefore, there is no invasion from the business 2PC The plan begins , In tradition 2PC On the basis of evolution . It regards a distributed transaction as a global transaction that contains several branch transactions . The responsibility of the global affairs is to coordinate the branch affairs under its jurisdiction to reach an agreement , Or submit it together successfully , Or fail to roll back together . Besides , Usually the branch transaction itself is a local transaction of a relational database . This part is based on Seata The distributed transaction solution of , The content involved will also be more detailed .

 

summary

First , We need to know Spring Cloud Alibaba stay Spring Cloud Status in the family , It's a suite , And Netflix OSS equally , It covers a lot of practical components , There are also many overlaps .

secondly , We need to know Netflix OSS Many important components have announced the background of stopping the development of new functions , and Spring Cloud Alibaba It's a freshman project , It's in a high-speed iteration . In the future , I believe everyone will choose .