SAA-C03 Q293 · Analytics

Question

An ecommerce company wants to collect user clickstream data from the company's website for real-time analysis. The website experiences fluctuating traffic patterns throughout the day. The company needs a scalable solution that can adapt to varying levels of traffic. Which solution will meet these requirements?

Accepted Answer

**Answer A: Amazon Kinesis Data Streams (on-demand mode) + AWS Lambda**

Let's map each requirement to the solution:

1. **Collect clickstream data in real time**: Kinesis Data Streams is purpose-built for real-time data ingestion. Producers (the website) push clickstream records into the stream, and consumers can read them within milliseconds.

2. **Fluctuating traffic patterns / Scalable solution**: The **on-demand mode** is the critical detail here. In on-demand mode, Kinesis Data Streams automatically scales the number of shards up and down based on throughput. You don't need to pre-provision or manually adjust capacity. This perfectly handles unpredictable, fluctuating traffic.

3. **Real-time processing**: AWS Lambda integrates natively with Kinesis Data Streams via Event Source Mapp

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