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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.
I don't have empirical evidence (nor experience) to hand, but I doubt there's any shortage of individual systems that do some sort of parallel/concurrent work faster than Erlang systems, built on lower-level concurrency primitives offered on the JVM, in golang, Rust etc.
More narrowly though, there is a candidate for a means of building systems from higher level, BEAM-like primitives with potential for greater performance than Erlang/Elixir - Lunatic (https://lunatic.solutions/). It is admittedly a kind of reimplementation of the BEAM, which kind of makes Virding's point. But it's not ad hoc.