There is no alert for system.slice going over system memory reservation which can lead to node instability.
We should have an alert for when nodes exceed their system memory reservation.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (OpenShift Container Platform 4.6 GA Images), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.