I run calibredb check_library everytime I backup so the original metadata.db has already been vacuumed (from 27MB to 20MB, iirc).
I actually created a copy of the library and put the bad metadata.db. There were just some tags changed between bad and original, the metadata.db sizes are really close. Vacuuming that gave me just ~100KB reduction.
I really think something else was lost with the restore.
Last edited by ilovejedd; 02-03-2018 at 07:36 PM.
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