High CPU and memory usage caused by PolicyKit and D-Bus services for non-root user authorization.

Issue

• System suffered high CPU and memory utilization that impacted the production workload.

• ps command output shows PolicyKit and D-Bus services are consuming a significant amount of resources which is not expected.

  # ps  aux | egrep "(polkitd|dbus|USER)"
  USER         PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
  dbus        1557 44.7  0.0  92592 11620 ?        -    Feb19 14574:11 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation --syslog-only
  dbus           - 44.7    -      -     - -        Rs   Feb19 14574:11 -
  polkitd  1437054 22.2  0.1 2035760 22696 ?       -    12:15   4:07 /usr/lib/polkit-1/polkitd --no-debug
  polkitd        -  4.1    -      -     - -        Ssl  12:15   0:46 -
  polkitd        - 18.0    -      -     - -        Rsl  12:15   3:20 -