Software performance impacts customer experience.
Latency is high. Availability is an issue. Scalability, extensibility, and maintainability are issues
Difficult to predict performance. It behaves differently in different environments
You are about to release your product. You are worried about field issues that may crop up
Performance is viewed as an end-of-cycle activity and not at the beginning of the software development lifecycle
If any of these are your needs, or identify yourself with these situations, you need to look at performance tuning. This is the single most factor that would ensure happier customers and customer experience.
The cost of handling field-level issues far outweighs the cost you would incur in tuning your software for performance. Hence, always ensure that performance tuning is carried out before the product reaches the customer’s hands.
Performance tuning process
Some of the key steps of performance management that we perform as a part of the lifecycle are:
- Requirements – Performance requirements analysis & system sizing
- Architecture design – Modeling and engineering design
- Coding – Code optimization
- System testing – Performance testing & tuning
- Production – Performance monitoring & capacity planning
Performance tuning is a much a design as execution. To get it right, it has to be a part of every step in the software development life cycle. Just as you have QA as a part of every step in the lifecycle, you should have performance attributes.
Yes, I am interested in re-architecting my application.
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