Performance Testing: for Big 4 accountancy firm
Industry
Accountancy
Service
Performance Testing
Project
The project involved implementing a risk-based performance testing process across a global onshore/offshore team, switching to HP Loadrunner and Shunra for enhanced testing accuracy, and collaborating with technical experts to improve application stability and scalability.
Synopsis
The initiative addressed widespread application performance issues by enhancing the testing process, improving toolsets, and fostering technical collaboration, leading to a significant reduction in outages, increased user satisfaction, and restored management confidence in the performance testing team.
The Challenge
- 9000 applications of which 100+ require frequent performance testing
- Application instability and poor performance in production despite performance testing having taken place.
- Confidence has been lost in the performance test team and management unable to resolve perceived issues.
- Applications increasingly being consolidated into global datacentres.
The Project
- Delivery Model
- Onshore / offshore delivery model, performance test team spread across 3 continents.
- Implemented risk based performance testing process, resulting in evidence based performance testing reports.
- Encouraged interaction with project technical experts resulting in a better understanding of performance issues.
- Scope and Tools
- Rational tool set no longer delivering, change of toolset to HP Loadrunner with Shunra latency emulation.
- Optnet, which has become Riverbed Modeller used
- Identified Core Performance Inhibitors
- Inaccurate volumetrics being used.
- Scope of performance testing too wide.
- Monitoring of backend components weak and not properly understood.
- Performance testing tool produced low quality results making interpretation more difficult.
Project Delivery
- Customer / user satisfaction due to application stability and scalability.
- Business continuity with an
- for >170k user during a time of intense IT systems investment.
- Decreased costs for the business due to higher system availability thus user productivity.
Project Benefits
- Cost estimation more accurate with far fewer budget overruns.
- Number of production outages reduced by 80%
- Complaints of poor performance to help desk reduced by 60%
- Existing staff members retained and used following training and knowledge transfer.
- Project management confidence in performance team restored resulting in greater level of cooperation.
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