Haynes and Boone, LLP
Object-level image query and retrieval
Methods, systems, and computer program products are included for querying and retrieving objects from images. An example method includes traversing a persistent local mirror overlay filesystem (PLMO FS) to determine whether one or more objects of a requested image already exist on a local data storage device. If so, an I/O hit is determined, and the objects are not pulled from the registry. Conversely, if the objects are not found on the local data storage device, an I/O miss is determined, and the objects are pulled from the registry. A local copy of the requested image is then built using the already locally-existing I/O-hit objects and the newly retrieved I/O-missed objects, such that the local copy of the requested image is a mirror of the original requested image in the registry.
RED HAT, INC.
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Huamin
Chen