Performance Monitoring and Optimization Quiz

What you'll be asked

1. Which metric is most commonly used to measure the immediate responsiveness of a web application to a user's action?
2. When configuring threshold-based alerting for a production database, what is the best practice to avoid 'alert fatigue'?
3. In the context of log management, what is the primary advantage of centralizing logs from multiple distributed services?
4. You notice that your application's CPU utilization is low, but the average response time is extremely high. Which monitoring metric should you investigate next?
5. During a post-mortem analysis, you realize that your sampled monitoring data missed a brief but critical 'micro-burst' that caused an outage. What is the most effective architectural change to prevent this in the future?

Answers and explanations come after you submit.