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Preface

Now interview to build rocket , Screw tightening is a common phenomenon nowadays . But sometimes I often see such a phenomenon ： At the same time into the same company , After a long time , Some people already have some architectural capabilities , We've moved slowly towards the architect , Some people are still digging in CRUD You can't come out of the sea of bitterness , The reason for this difference is the difference of individual quality , There are also differences in the way we work and think . Technology is constantly updated, but some people are not necessarily improving , If you don't make progress, you'll be left behind “ Pat to death ” On the beach , This is a very real problem .

But it's not overnight to be an architect , It requires constant accumulation in daily work , It's a slow process , Except genius, of course . In the process, we will encounter many problems , Now you need to stand on the shoulders of giants to learn , Look for some relevant information for reference . However, there are a lot of information about architecture in the market , Really can “ to ground ” But very few of them . The following to share with you this Jingdong Daniel summary of the document has a detailed technical introduction and authenticity 、 A typical case is about . Whether it's an engineer in software development for the first year , Or experienced people who have worked for many years , All benefit from it .

All notes mentioned below 、 Interview questions 、 Resume, etc , Can be in official account. 【 Retirement procedure ape 】 Share it with you for free

A summary of the contents

Some principles of system design

In the process of continuous development of the system , There will be some experience of design principles that can be used to follow and guide us . But the design principle should be in the process of system iteration , Match based on existing problems or features .

High concurrency principle

• No state

• Split

• As a service

• Message queue

• Data heterogeneity

• Cache silver bullet

• Concurrency

High availability principle

• Downgrade

• Current limiting

• Cut off flow

• Roll back

Business design principles

• Anti weight design

• Idempotent design

• Process can be defined

• State and state machine

• Background system operation can feedback

• Background system approval

• Documentation and comments

• Backup

High concurrency and high availability

There are too many technology stacks involved in this part , It's too long to show them all , In order not to affect everyone's reading experience , I'll just show you the catalog ~

Actual combat

Use six cases to apply the technology stack mentioned above , Let everyone have a deeper understanding of the architecture system

• Build a demand responsive billion level product detail page

• Jingdong product details page service closed-loop practice

• Use OpenResty Develop high performance Web application

• Application data static architecture high performance single page Web application

• Use OpenResty Development Web service

• Use OpenResty Development product details page

Okay , That's all for this article , The answers to all the above questions are sorted into PDF 了

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