Design e-commerce spike

【 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  iPhone 12  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 .