Some alarm rules are firing but the relevant variables are showing up as null values.
Memory Utilization High
Memory utilization at null%. High memory usage is being detected on null.
FileSystem Utilization High
Filesystem utilization for null at null%. High disk capacity usage is being detected on null.
It used to work fine before but started to show up as nulls.
Remove the suspended actions for the rules affected.
Waiting for fix in a future version of Foglight.