$ oc adm top images
NAME IMAGESTREAMTAG PARENTS USAGE METADATA STORAGE
sha256:80c985739a78b openshift/python (3.5) yes 303.12MiB
sha256:64461b5111fc7 openshift/ruby (2.2) yes 234.33MiB
sha256:0e19a0290ddc1 test/ruby-ex (latest) sha256:64461b5111fc71ec deployment: ruby-ex-1/test yes 150.65MiB
sha256:a968c61adad58 test/django-ex (latest) sha256:80c985739a78b760 deployment: django-ex-1/test yes 186.07MiB