819805 - thumbnails-old directory in profile takes up 1.5GB

Status: RESOLVED DUPLICATE of bug 784868

(Firefox :: General, defect)

Description

[Justin Lebar (not reading bugmail)]

I don't know what's going on here, or if this directory should even exist.  But this looks quite bad.

$ cd ~/.mozilla/firefox/XXX.default

$ du -h --max-depth=1 | sort -h
[...]
11M	./adblockplus
11M	./extensions
11M	./indexedDB
24M	./OfflineCache
164M	./Cache
1.5G	./thumbnails-old      <----------
1.9G	.

# Some of these files are relatively fresh.  I suspect there aren't any more recent 
# thumbnails because I just restored my home directory from a backup taken a few 
# days ago.
$ find thumbnails-old/ -mtime -100 | wc -l
158

# Some of these thumbnails are huge.
$ find thumbnails-old/ -size +500k | wc -l
62

# And yet they aren't high-resolution.
$ find thumbnails-old/ -size +600k | xargs file
thumbnails-old/8/f/4010f10de6405a39e8dbc067014241.png: PNG image data, 640 x 400, 8-bit/color RGBA, non-interlaced
[And so on; they're all this size]

Comment 1

[Justin Lebar (not reading bugmail)]

Seems related to bug 754671.

Comment 2

[Tim Taubert [:ttaubert] (inactive)]

Didn't have enough time to finish that, unfortunately. This only affects Nightly and Aurora users so it's not the highest priority but I would really like to see that fixed.