Now, the website admin wants to keep the user information (such as source IP, accessed URLs, and duration on each page) for analysis to support their upcoming campaign events. In this case, which of the following statements is NOT correct?

An online education website is built based on ECS, SLB and Auto Scaling, which greatly reduces resource cost, O&M cost and without compromising system stability and user experience.

Now, the website admin wants to keep the user information (such as source IP, accessed URLs, and duration on each page) for analysis to support their upcoming campaign events. In this case, which of the following statements is NOT correct?  (Single answer)
A . Let each ECS instance in the scaling group keeps the user access information it processes. Thus, the data saved by these ECS instances can be accessed and analyzed at any time, making the solution not only simple, but also efficient, reliable, and cost-effective.
B. Save user-related access information to ApsaraDB for RDS in real time or quasi real time, which can then be used for performing query and analysis,
C. Synchronize user-related access information to ApsaraDB for Memcache in real time or quasi real time. Then, access Memcache using an application or make the data in Memcache persistent based on certain rules, and then can use the persistent data for further analysis.
D. Synchronize user-related access information to OSS in real time or quasi real time for further use.

View Answer

Answer: A