Show HN: EloqDoc: MongoDB-compatible doc DB with object storage as first citizen

Summary

EloqDoc A MongoDB API compatible , high-performance, elastic, distributed document database. Overview EloqDoc is a high-performance, distributed transactional document database with MongoDB API compatibility. Its breakthrough architecture, powered by Data Substrate, redefines the balance between cost, scalability, and performance for real-world document workloads. Unlike MongoDB, which relies on three replica-set nodes for durability, EloqDoc treats cloud object storage as a first-class citizen. Durable, cross–availability zone (AZ) object storage serves as the persistent foundation, while local NVMe caching accelerates reads. Recent updates are written to a decoupled redo log component. This architecture minimizes write latency while maintaining strong consistency and durability. The result is a cloud-native, storage-centric deployment model: EloqDoc typically runs a single compute replica with storage-level high availability, orchestrated by Kubernetes for automatic failover. This approach cuts infrastructure costs, avoids redundant CPU and memory overhead, and delivers higher throughput across mixed read/write workloads. Explore EloqDoc for more details, or skip ahead to the Key Features section for a deeper breakdown. You can also experience the managed cloud version at EloqCloud. 👉 Use Cases: web applications, document stores, content platforms—anywhere you need MongoDB API compatibility and expect distributed performance and elasticity. Key Features ⚙️ MongoDB API Compatibility Seamlessly integrates with MongoDB clients, drivers, and tools, enabling you to use existing MongoDB workflows with a distributed backend. 🗃️ Tiered Storage Architecture EloqDoc seamlessly manages hot and cold data across memory, local NVMe cache, and object storage. Since NVMe storage is ephemeral and lost when a node crashes, EloqDoc uses it strictly as a cache for object storage. This design ensures that all data remains safe and durable in cross-AZ object storage while still benefit...