Hey Gonçalo,
You have a few partner's application that can help you to monitor the performance.
Here a list:
- APD (Mendix Application Performance Diagnostics)
https://docs.mendix.com/appstore/partner-solutions/apd/uc-three/
- APM (Mendix Application Performance Monitor)
https://docs.mendix.com/appstore/partner-solutions/apd/uc-one/
- Splunk
https://docs.mendix.com/developerportal/operate/splunk-metrics/
Oficial Doc with + apps: https://docs.mendix.com/developerportal/operate/monitoring-with-apm/
I hope it helps,
Ricardo Pereira