Performance Monitoring
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.
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
