Checking database integrity increased db size

My zotero is running slow. The zotero.sqlite is about 70MB. I checked the db integrity (from preferences/advances). I didn't receive any message error but after that my zotero.sqlite became 5MB heavier. Because I was surprised, I reinstalled the backup zotero.sqlite I made before checking the db and I recheck the db integrity and again, the db increased by 5MB.

Is this normal? Why would my db increase by about 10% when I checked the integrity ? (I was offline the whole time)

  • For complicated reasons, checking database integrity currently also vacuums (rebuilds) the database, which can have an effect on the size. It may speed things up a bit as well. In the future the vacuum will likely happen automatically in the background.
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