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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.
To sync files between two disks, you can use rsync. It allows synchronizing files and folders, building a 1:1 data structure. On top of rsync, Lsyncd allows configuring automatic bidirectional file synchronization if needed. https://github.com/axkibe/lsyncd If you need a GUI-based tool, you can use FreeFileSync, Syncthing, MSP360. They also allow you to perform differential sync between two drives. https://www.vmwareblog.org/single-cloud-enough-secure-backups-5-cool-cross-cloud-solutions-consider/
NOTE:
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