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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.
Fwiw the rEFInd developer has extensive documenation on his website that may be helpful. You might also need to post this at NixOS forums and/or make a github issue for it.
I don't know but I'm interested in this too. I want to experiment with different EFI boot managers, including rEFInd so I can try zfsbootmenu. I looked into it a couple months ago, but looked like more work than I had time to allocate then.
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