Performance Tuning

Performance tuning is the improvement of system performance. This is typically a computer application, but the same methods can be applied to economic markets, bureaucracies or other complex systems. The motivation for such activity is called a performance problem, which can be real or anticipated.

Most systems will respond to increased load with some degree of decreasing performance. A system's ability to accept higher load is called scalability, and modifying a system to handle a higher load is synonymous to performance tuning.

  • Systematic tuning follows these steps:
  • Assess the problem and establish numeric values that categorize acceptable behavior.
  • Measure the performance of the system before modification.
  • Identify the part of the system that is critical for improving the performance. This is called the bottleneck.
  • Modify that part of the system to remove the bottleneck.
  • Measure the performance of the system after modification

 

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