Performance Engineering of AWS Cloud Applications

While there's a potentially infinite infrastructure that can cater to compute power, storage, and networking, thus allowing applications to be scaled to business needs – all of this comes at a high hidden operational cost. And while you measure the performance of your applications to ensure that it has not compromised the user experience, it is also imperative to ensure that your application optimizes the resources it consumes in delivering this experience even under sustained load conditions.

From a performance perspective, you should find answers to these critical questions:

• Will my application meet the defined response-time requirements of my customers?
• Will the application be stable as it handles the expected user load and beyond?
• Will my users experience acceptable response times, even during peak hours?
• Will the application handle the number of transactions required by the business?
• What is the system capacity that is needed to handle the expected load?
• Where are the bottlenecks in my multi-user environment?
• How can we detect errors that only occur under real-load conditions?
• How can we optimize resource usage in the application before it goes live?

Trigent's Performance Engineering team will help you deliver some (or all) of these tests, depending on the risks we foresee. Our testing experts can help with:

• Load test
  • How long does the system take to respond within an acceptable load?
  • Is the application behavior acceptable with various loads within this limit?
  • Determine how the application performs under the stated number of concurrent users.
• Stress test
  • At what Load does system performance deteriorate?
  • What types of failures occur, and what are the corresponding indicators?
  • Examine how the application behaves under maximum load. In simple terms, find the upper threshold for the application below which it can perform normally.
• Scalability test
  • Is the system capacity meeting volumes under normal and peak load conditions?
  • Can the system's capacity be scaled? If so, by how much?
• Soak/Endurance Testing
  • How consistent is the application behavior under constant load over a period of time?
  • What is the impact on memory/are there memory leaks?
  • Validate systems behavior for continuous hours of operation for projected load conditions.
• Volume/Spike Testing
  • What happens to application behavior if there is a drastic increase in usage?
  • What happens if the load is greater than the anticipated peak?

Trigent will provide separate reports for each test we conduct for your cloud deployments. The reports will provide details of all the identified risks and their severity and include data points around the following :

• Performance Statistics
  • Response Time Statistics
  • Throughput At Different Load Levels
  • Server Resource Usage Parameters
  • Network Usage & Latency
  • App Server / Webserver / Database server resource usage Parameters
• Scalability determination
• Optimization Opportunities (w.r.t software architecture)
• Inputs For Infrastructure Sizing

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