Design Amazon

1. Requirements

  1. 350 million products
  2. 10 million orders per day, that’s 100 orders per second
  3. 1 MB of data per product, that is 1 PB needed to partition the product table.

Features

  1. retail
  2. concurrent edit of cart
  3. inventory mgmt (out of stock monitor)

2. ProductDB

  1. partition as much as possible
  2. only 1 person write at 1 time
  3. NoSQL, eg. MongoDB.

Reference：https://www.youtube.com/watch?v=F9lcK1jnAcs