Looking for help in order to understand what went wrong with cAdvisor exporter.
Problem:
cAdvisor container showing incorrect memory utilization, stats are mentioned below -
RAM and CPU configuration set:
requests:
memory: 450Mi
-
cpu: 600m*
-
limits:*
-
memory: 500Mi
-
cpu: 700m*
Results:
oc rsh exporter-zwqgw
/sys/fs/cgroup/memory $ cat memory.usage_in_bytes
6745538560 ===> 6.7GB
oc rsh exporter-vhwl9
~ $ cat /sys/fs/cgroup/memory/memory.usage_in_bytes
6865084416 => 6.8 GB
oc rsh exporter-md7fv
~ $ cat /sys/fs/cgroup/memory/memory.usage_in_bytes
47019372544 => 47 GB
Environment:
Cluster having 120 OCP nodes.