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User Behaviour and Performance Perception Analysis

Paper Presentation – at STeP-IN Summit 2007(January 2007) .
Rahul Verma - Team Lead, AppLabs Technologies.
 
User Behavior and Performance Perception Analysis – An Approach for Realistic Performance Engineering
User Behavior and Performance Perception Analysis (UBPPA) is an approach for carrying out the performance engineering activities in a realistic manner. This approach breaks the myth of a so-called “general performance testing” approach or capacity sizing guidelines that work for all applications. Instead, it stresses upon the fact that the performance of an application is perceived by different users in different manners. It also discusses the importance of analyzing the needs and expectations of the target users for the application. With this approach, the stakeholders can be sure that they do not end up over-sizing or under-sizing their application in terms of hardware or configuration settings on their servers in urge for increasing an unneeded performance factor. UBPPA addresses the performance needs of the application from end users’ perspective.
 
 

Performance Engineering: Design & Test Issues

Conference Plenary – a STeP-IN Theme Conference: Performance Testing (April 2008)
Jyothi Bacche - Prinicipal Architect, Aztecsoft Ltd.
 
“Effective software performance engineering requires that the various stakeholders of the project – performance testers, engineers, architects understand the fundamentals of performance testing, analysis and tuning.
In order to carry out effective performance tests it is very important to understand the objectives – is it to figure out the break points of the system? Is it for benchmarking? Is it for capacity planning etc? In order to design effectively for performance software engineers must understand the general performance software patterns and anti-patterns.

Performance Testing: SAP Volume Testing Facts

Conference Plenary – a STeP-IN Theme Conference: Performance Testing (April 2008)
Anshuman Das, Team Lead, Performance Testing, Global Business Services- IBM.
 
SAP is the most successful product for enterprise resource planning (ERP), touching nearly every facet of business like accounting, logistics, CRM, HR, data warehouse, etc. In many companies, transactions of thousands of users must be processed concurrently by SAP and the underlying database system. Hence, it is truly a mission-critical technology that requires solid performance and high availability to deliver the level of service the business requires. Failure of this critical system introduces tremendous business risk, both to the successful execution of internal processes and to the service level agreements as established.