# Performance Monitoring Performance monitoring in system design refers to the practice of monitoring the performance of a system, service, or application, in order to ensure that it is performing well and meeting the needs of users. This is an important aspect of ensuring that a system is reliable and performs well. Learn more from following links: - [Get More on Performance Monitoring Systems](https://www.solarwinds.com/server-application-monitor/use-cases/performance-monitoring-system)