Unusual MariaDB Size Increase

Hoping someone can help me identify what I did to cause my HA MariaDB to start increasing so quickly. The chart below shows it was staying manageable until Oct 29th, when it started increasing so quickly. I’m sure I did something but have no idea what. How can I troubleshoot? I did a query in phpmyadmin to look at entities, but there wasn’t anything odd - other than the need to purge some entities. If it helps, I reviewed my logbook. I did notice it was on the same date and approx time that I enabled a UPnP for my Synology Router, which started recording activity trackers for devices on the router.

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