Giuseppe Scrivano 83fce8f33a images: add cache for dangling images ...

do not reload the list of all the images every time we check if an image
is dangling.  This makes "images list" extremely slow when used on the
Docker backend.

On my system (with ~100 images), this patch brings down the wall clock
from ~10 seconds to ~0.5 seconds:

$ /usr/bin/time -v ./atomic images list -a 2>&1 | grep "wall clock"
	Elapsed (wall clock) time (h:mm:ss or m:ss): 0:09.84

to:

$ /usr/bin/time -v ./atomic images list -a 2>&1 | grep "wall clock"
	Elapsed (wall clock) time (h:mm:ss or m:ss): 0:00.58

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>

Closes: #1200
Approved by: rhatdan

2018-02-28 14:42:34 +00:00

..

__init__.py

backends: has image|container return objects

2016-11-22 15:38:13 +00:00

container.py

Fix outdated container image message (BZ 1434430)

2017-03-21 17:54:06 +00:00

image.py

images: add cache for dangling images

2018-02-28 14:42:34 +00:00

layer.py

Fix tests for f26

2017-08-23 18:33:48 +00:00