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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.
Otherwise, learning Maven has been really important. As for learning the language, I liked Winterbe's guides. Here's one. https://github.com/winterbe/java8-tutorial
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