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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.
Spark is the single biggest use that comes to mind.
Scala reminds me of Java trying to be Haskell. If you know either of those then you have a head start.
Martin Odersky’s course Functions Programming in Scala: https://www.coursera.org/learn/scala-functional-programming
Scala for the Impatient: https://github.com/shellyhanda/Scala/blob/master/Scala%20for...
NOTE:
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