ITC Software ITC PERFORMANCE TESTING SERVICES

ITC Software Performance testing services PRESENTATION PLAN WHAT IS PERFORMANCE TESTING WHY IS IT IMPORTANT WHO NEEDS PERFORMANCE TESTING HOW DOES IT WORK

ITC Software What is performance testing WHAT IS PERFORMANCE TESTING? Performance testing is conducted to evaluate system/component’s compliance with specified performance requirements. Often it’s performed using an automated test tool to simulate large number of users.

ITC Software Goals of performance testing GOALS OF PERFORMANCE TESTING:  Measure response time & resource usage  Define possible breakpoints & maximum load  Gather data to provide optimization recommendations.  Verify, if service level requirements are met  Check system reliability  Identify possible bottlenecks in the system

ITC Software Performance testing services PRESENTATION PLAN WHAT IS PERFORMANCE TESTING WHY IS IT IMPORTANT WHO NEEDS PERFORMANCE TESTING HOW DOES IT WORK

ITC Software Why is performance testing important Performance testing helps to find answers to the following questions:  Would a system perform well under certain workload,  Would it be scalable and reliable,  Would there be enough resources for it to work properly? FOR COMPLEX SYSTEMS IT IS OFTEN IMPORTANT TO ENSURE THAT:  Page response times allow concurrent users to perform their actions in a convenient way without time delays  System’s throughput is fast enough and relying parties do not need to wait for too long  System is stable and available for technical maintenance and support  System could be easily sized for increasing workload over time

ITC Software Performance testing services PRESENTATION PLAN WHAT IS PERFORMANCE TESTING WHY IS IT IMPORTANT WHO NEEDS PERFORMANCE TESTING HOW DOES IT WORK

ITC Software Applicability of performance testing In some cases performance testing is “a must”. There are systems that just cannot afford having performance risks and bottlenecks that may jeopardize the application work. Performance testing can give a right answer before system owner faces a problem of user dissatisfaction due to low system performance. REASONS TO INCLUDE PERFORMANCE TESTING INTO A PROJECT: Complex multi-tier system is built or migrated from legacy solution Specific contractual obligations are enforced Certain compliance requirements are obligatory Performance expectations exist

ITC Software Performance testing services PRESENTATION PLAN WHAT IS PERFORMANCE TESTING WHY IS IT IMPORTANT WHO NEEDS PERFORMANCE TESTING HOW DOES IT WORK

ITC Software Steps of performance testing process PERFORMANCE TOOLS EMPLOYED We use HP LoadRunner, SilkPerformer, Jmeter, IBM Rational Performance Tester for performance testing purposes. PERFORMANCE TESTING PROCESS Capture requirements and agree about non-functional characteristics of a system, such as: performance rate, throughput, uptime, scalability. Model expected workload and create scripts for load testing. Run various sorts of tests to gather input data (load, stress, and uptime tests) Analyze results, identify bottlenecks and create a recommendation on how eliminate them

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