Which tool is commonly used for monitoring the performance of a Spring Boot application?

Prometheus is commonly used for monitoring the performance of a Spring Boot application. Prometheus is an open-source monitoring and alerting toolkit designed for reliability and scalability. It can collect metrics from various sources, including Spring Boot applications, and provide insights into application performance. Developers and operators can use Prometheus to track resource utilization, response times, and other important metrics to identify and resolve performance bottlenecks.