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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.
zram can help as create a swap that the majority of time will be used also mounting a small zram zstd (great text compression) for var/log will practically bring writes to pretty much nothing. Armbian have a util that does that. You are using 62.2m 9very small) of 872m main memory Swap virtual memory you are using 40.8m of 100m because dphys-swap is set to only 100m by default but is just disk space. Its prob pushed 40.8m there because its idle so its pushed it out of main memory and will pull back if ever needed. I use my util https://github.com/StuartIanNaylor/zram-swap-config and another one I did is now maintained by openhab. Dunno if systemd/zram-generator is in raspberry might actually a great zram util.