The Purge function in vSphere can be used to clear images from the Embedded Harbor Registry. Purging images from the private image registry deletes all references to the images made by pods, but it does not remove the images from the image registry. When there are too many images store for a project a vSphere administrator can purge the images for that project in the private image registry. Purging the images from a project deletes all references to these images, but does not delete them from the vSphere datastore. Every Saturday at 2 AM, the garbage collector service deletes all images from the entire private image registry that are not referenced by applications.
vSphere with Tanzu