Seckill system design

Design e-commerce second kill system
【 Business background 】
As an architect of an e-commerce startup , Responsible for the design 6.18 Design of big promotion second kill system , Your business model is as follows :
1.  You choose the best-selling and highly praised products on major e-commerce platforms to sell , No more than... Per category 20 A commodity , At present, we have done 10 Categories ;
2.  This time 6.18 Second kill chose 1000 A power bank ,10 platform iPhone12 As a second kill commodity ; 3.  The normal daily life is about 100 Million users ;
4.  The boss asked to be foolproof .
【 Technical background 】
1.  The technical team takes Java Mainly , The microservice architecture has been implemented ;
2.  The main channels are self owned App( Include iOS and Android) And WeChat applet , In order to promote the transformation of users into App user , Download only App To participate in the second kill ; 3.  At present, there are only single rooms .
【 Completion requirements 】
1.  Design a complete architecture , Such as storage 、 Load balancing 、 cache 、 High availability 、 Expandable etc ;
2.  about 10 Within the page PPT, each page PPT Explain a design , Including architecture design and design reasons , There is no need to explain the alternatives in detail .
【 Tips 】
1.  Analysis and consideration should be comprehensive , But it doesn't mean that the architecture design should be comprehensive , If it is considered that some design points can not be done after analysis , Explain the reasons uniformly at the end of the operation ;
2.  If there is no thought , Please refer to the module 9 Of  IM  Case study ;
3.  If some information is not complete or detailed enough , You can make certain assumptions , But you can't fly in the sky , It is necessary to make a reasonable inference against the existing business background and technical background .
 

answer ：

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Course summary ：

  This course systematically introduces the knowledge of architecture design . Module 1 introduces the functions of architects, such as starting with architecture design , Module 2 summarizes the core content of the architecture work from a strategic perspective ： Three tenors , Module 4 and 5 respectively focus on the design of high-performance and high availability storage system and computing system , Module 678 is devoted to the introduction of micro service middleware , And multi active system . Each module is taught with specific cases , Easier to understand . The course also appropriately arranges assignments with moderate difficulty , It plays a great role in connecting and understanding knowledge points .

  One suggestion ： The key knowledge of key modules can be more in-depth and specific , You can even analyze some open source code , Explain , It might work better .