Short Note on Performance Testing

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Software-Checklist

Short Note on Performance Testing

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Wikipedia says “performance testing is in general testing performed to determine how a system performs in terms of responsiveness and stability under a particular workload. It can also serve to investigate, measure, validate or verify other quality attributes of the system, such as scalability, reliability and resource usage.”

The focus of performance testing is checking a software program’s Speed, Scalability and Stability. The objective is to identify performance bottlenecks before the software application goes live.

Before going for performance testing, ask for NFR document. A NFR document is called non-functional requirement document which specifies criteria that can be used to judge the operation of a system, rather than specific behaviors.

Typical non-functional requirements are:

  • Performance – Response Time, Throughput, Utilization, Static Volumetric
  • Scalability
  • Capacity
  • Availability
  • Reliability
  • Recoverability
  • Maintainability
  • Serviceability
  • Security
  • Regulatory
  • Manageability
  • Environmental
  • Data Integrity
  • Usability
  • Interoperability

Types of performance test:

Load testing: checks application’s ability to  perform under anticipated user loads. This user load can be the concurrent number of users performing some operations within the set duration.

Stress testing: testing an application under extreme workloads to see how it handles high traffic or data processing. This is related to conditions like if the current load goes well above the expected maximum.

Endurance testing: to ensure the software can handle the expected load over a long period of time. Here, the main focus is on performance degradation under extended, significant period of time.

Scalability testing: checks application’s effectiveness in ‘scaling up’ to support an increase in user load.

Spike testing: tests the software’s  reaction to sudden large spikes in the load generated by users.

Author: hershey

A passion for knowledge drives me to do programming, A passion for programming drives me to create something different, A passion for creation drives me to spread the knowledge.

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  1. nice superb explaination

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  2. thanks for the tutorial
    I am having a problem.
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