Maintenance
The Maintenance view in System Preferences has tools and configuration options for system maintenance features.
SLA
Event logs

The Event Logs section has configuration affecting storage of Event Log entries.
MongoDB

The MongoDB maintenance section contains a tool for browsing some details and statistics of the MongoDB databases.
InfluxDB

Support for InfluxDB based metrics collection can be added by enabling and configuring the InfluxDB connection in System Preferences.
The configuration view includes tools to verify the credentials, and to browse the InfluxDB database.
Prometheus

The Prometheus metrics endpoint is under path /metrics, for example
https://id.example.com/metrics.
It must be enabled through System Preferences. Basic authentication requirement can be added and is recommended to restrict access to the metrics.