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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
Not sure if wiping the logging DB will change much. Doing some disk housekeeping first wont hurt though. Yes back up and export everything. I would suggest doing in a test/dev environment first. You can also do a dry run using the Journeys tool. When you know the date and time you plan to migrate, open a pro-active support ticket and tell them your plans, so if things go south someone in support will be on hand.
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