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Load test your workload

Load testing your workload is crucial for ensuring it can manage production-level traffic and operations. By simulating expected user demand, you can identify performance bottlenecks, optimize resource allocation, and ensure a seamless experience for end users.

Best Practices

  • Conduct Regular Load Tests: Regular load testing helps identify performance issues early. Use staging environments to mimic production loads and assess the system’s behavior under stress. Tools like AWS CloudWatch can facilitate monitoring during these tests.
  • Optimize Resource Scaling: Evaluate and adjust your resource scaling policies based on load test results. Auto Scaling can dynamically change the capacity of your resources in response to varying loads, ensuring efficiency and cost-effectiveness.

Supporting Questions

  • Have you established performance benchmarks from your load tests?

Roles and Responsibilities

  • Performance Engineer: Responsible for designing and executing load tests, analyzing results to identify bottlenecks, and proposing optimizations to enhance performance.
  • DevOps Engineer: Facilitates the integration of load testing into the CI/CD pipeline and oversees infrastructure provisioning for load testing.

Artifacts

  • Load Testing Report: A comprehensive document that summarizes the results of the load tests, detailing response times, error rates, and areas for improvement.
  • Performance Improvement Plan: A strategic document outlining the steps to be taken to address identified performance issues based on load testing results.

Cloud Services

AWS

  • AWS CloudWatch: CloudWatch monitors the performance of your AWS resources in real-time, helping to identify trends and performance metrics during load tests.
  • AWS EC2 Auto Scaling: Automatically adjusts the number of Amazon EC2 instances in response to load, ensuring that applications maintain performance during peak usage periods.
  • AWS Elastic Load Balancing: Distributes incoming application traffic across multiple targets, improving fault tolerance and ensuring efficient resource use during load tests.

Question: What process do you use to support more performance efficiency for your workload?
Pillar: Performance Efficiency (Code: PERF)

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