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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.
For hiding applications from overview, or showing only windows of the focused app you would need to patch gala, the window manager. It is written mostly in vala, and uses libmutter (the same lib for gnome-shell's window management) underneath. Apparently it has a "plugin" system, but I'm not versed enough that those plugins have to be there at compile time or can be separately compiled. Here's the code: https://github.com/elementary/gala
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