System monitoring is about so much more than just performance management. From a security perspective you need to know if any of these system values change.
Not all secure connections on the IBM i are secure. Certificates using old version of TLS and/or older cipher suites are a security risk and should be monitored.
Journaling is an old feature with modern applications for mirroring data and tracking field level changes for audit purposes. We take a look at working with journals in IBM i ACS.