New Storage Engine for Kong Hybrid and DB-less Deployments

Kong has introduced significant enhancements to its DB-less mode by integrating the Lightning Memory-Mapped Database (LMDB) as its new storage engine, addressing scalability challenges faced by the previous shdict-based system. LMDB's advantages include its small footprint, native support for multi-process operations, and full ACID transaction capabilities, which improve memory usage, scalability, and performance in Kong's proxy operations. This upgrade allows for better handling of large configurations, reduces the complexity of maintaining config storages, and enhances the efficiency of the hybrid mode deployments. Performance benchmarks demonstrated substantial reductions in config loading latency and router rebuild times, as well as increased request per second (RPS) rates during background config updates. Kong has released a technical preview of this new implementation and plans to continue refining LMDB integration, encouraging feedback from users to inform future developments.

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