[Bug 1782613] [NEW] Periodically remove very old thumbnails or cap thumbnail cache size to avoid filling up disk with thumbnails

[Nate Graham]

Public bug reported:

The cross-desktop thumbnail spec contains no provision for removing
thumbnails, and as a result, the thumbnail cache (~/.cache/thumbnails)
can grow without limit. For some users with large numbers of images, the
cache can wind up taking up quite a lot of space and even causing free
space issues. We should consider setting a maximum size for the cache,
or removing old thumbnails not accessed in the last few years, or
something like that.

More information, including proposed cleanup scripts, can be found in
the following upstream KDE bug report that was reported to track this
issue: https://bugs.kde.org/show_bug.cgi?id=79943

** Affects: thumbnailer (Ubuntu)
     Importance: Undecided
         Status: New

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Title:
  Periodically remove very old thumbnails or cap thumbnail cache size to
  avoid filling up disk with thumbnails

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