umoci-gc(1)(#)

Aleksa Sarai DECEMBER 2016

NAME
umoci gc - Garbage collects all unreferenced OCI image blobs

SYNOPSIS
umoci gc --layout=image

DESCRIPTION
Conduct a mark-and-sweep garbage collection of the provided OCI image, only retaining blobs which can be reached by a descriptor path from the root set of tags. All other blobs will be removed.

OPTIONS
The global options are defined in umoci(1).

--layout=image
  The OCI image layout to be garbage collected. image must be a path to a
  valid OCI image.

EXAMPLE
The following deletes a tag from an OCI image and clean conducts a garbage collection in order to clean up the remaining unused blobs.
    % umoci rm --image image:sometag
    % umoci gc --layout image

SEE ALSO
umoci(1), umoci-remove(1)