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leapfrog
Lock-free concurrent and single-threaded hash map implementations using Leapfrog probing. Currently the highest performance concurrent HashMap in Rust for certain use cases.
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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.
You can try Leapfrog as your concurrent hashmap implementation https://github.com/robclu/leapfrog. I recently stumbled across it and was pleased by its performance
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