Introducing HaloDB, a fast, embedded key-value storage engine written in Java

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Introduces HaloDB, a new embedded key-value storage engine built to overcome write performance bottlenecks and long repair times of existing solutions. Details its architecture with append-only log files and an in-memory index in native memory. Presents performance improvements, including a 50% increase in write capacity and submillisecond 99th percentile read latency.