$ time oc delete pod barbican-api-api-6c584dbb7c-kg4bw --grace-period=48      
pod "barbican-api-api-6c584dbb7c-kg4bw" deleted

real    0m49.818s
user    0m0.202s
sys     0m0.053s

$ time oc delete pod barbican-keystone-listener-keystone-listener-5dbdf6f6b5-b85g5 --grace-period=48
pod "barbican-keystone-listener-keystone-listener-5dbdf6f6b5-b85g5" deleted

real    0m49.333s
user    0m0.248s
sys     0m0.053s

$ time oc delete pod barbican-worker-worker-74b6f9d5c9-dz7dd --grace-period=48
pod "barbican-worker-worker-74b6f9d5c9-dz7dd" deleted

real    0m49.918s
user    0m0.224s
sys     0m0.039s

More details on the parent epic