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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.
Next I would highly recommend backing up your SMS messages using an app from the Play store. "SMS Backup and Restore" works well as already mentioned here, there is also an app called "SMS Backup+" which backs up your SMS and Call log as emails in your Gmail account. This is nice so you can still search through old messages if you want and is slightly more accessible than SMS Backup and Restore's Online viewer for its XML backups. SMS Backup+ requires a little work around now to connect to Gmail due to Google's security changes over the last few years, and that workaround can be found here: https://github.com/jberkel/sms-backup-plus/issues/972