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" table is used by the Personalization Module. We are already considering implementing a configuration for this module which will allow you to set a maximum duration of the kept stats and other useful options.
Until then you have two possible options:
1. You can disable the Personalization Module, delete all records manually and compact the database. This way you will free the used resources.
2. You can create a SQL Job which can trigger a script that will delete older records and again compact the database. The table itself has a time_stamp field which can be used for this purpose. You can read more on how to create a SQL Job here: SQL Server - Create a Job
I hope this helps. Please let me know if I can assist you any further.
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