1. How to conduct capacity assessment in Internet architecture design:
[Step 1: Evaluate the total number of visits] -> Inquire about business, products, and operations
[Step 2: Evaluate the average traffic QPS] -> Divide by time, 4w seconds per day
[Step 3: Evaluate the peak QPS] -> According to the business curve
[Step 4: Evaluate the system, single-machine limit QPS] -> Stress measurement is very important
[Step 5: Answer two questions based on online redundancy] -> Estimate the difference between redundancy and online redundancy