Speedb
A RocksDB-compatible, high-performance embedded key-value store optimized for modern hardware and scale.
What is Speedb?
Speedb is an open-source, embedded key-value storage engine that is fully compatible with RocksDB. It is designed to deliver high performance, scalability, and stability for modern data-intensive applications, addressing limitations in existing storage engines. The project focuses on optimizing for contemporary hardware and cloud environments while simplifying maintenance and operations.
Developers and engineers building data-intensive applications, databases, or storage systems that require a high-performance, scalable embedded key-value store, particularly those currently using or considering RocksDB.
Speedb offers improved and stabilized read/write performance, reduced memory consumption, and live configuration changes as a drop-in replacement for RocksDB, backed by a community-driven development model focused on modern use cases.
Overview
A RocksDB compliant high performance scalable embedded key-value store
Use Cases
Best For
- Applications requiring a drop-in replacement for RocksDB with better performance
- High-throughput write workloads that need consistent performance without stalls
- Systems where memory efficiency for large datasets is critical
- Scenarios needing live configuration changes without downtime
- Modern storage hardware and cloud-optimized embedded databases
- Community-driven development of next-generation storage engines
Not Ideal For
- Systems that rely on RocksDB's extensive third-party plugins and mature tooling, as Speedb's ecosystem is still developing
- Applications requiring a standalone database server with built-in replication and high availability features, since Speedb is an embedded engine
- Legacy environments with stringent, unvalidated compatibility requirements for RocksDB, where any deviation could cause issues
- Projects needing immediate vendor support or commercial SLAs, as Speedb is community-led and may have limited professional backing
Pros & Cons
Pros
Speedb's dynamic delayed writes prevent stalls under heavy write workloads, as shown in benchmarks with 80 million objects maintaining consistent performance.
The paired Bloom filter reduces memory consumption while keeping key lookups fast, ideal for large-scale datasets without sacrificing speed.
Live configuration changes allow modifying mutable options during runtime, simplifying maintenance without database downtime.
As a community-led project, Speedb encourages open collaboration and rapid iteration based on user feedback, fostering modern storage solutions.
Cons
Setting up Speedb requires managing CMake and dependencies per INSTALL.md, which can be more cumbersome than using pre-compiled binaries from established engines.
Critical documentation is hosted externally on GitBook and Discord, leading to potential fragmentation and less integrated support compared to mature projects.
As a newer project, Speedb has a shorter track record in production environments, and some features are still on the roadmap, which may introduce risks.
Open Source Alternative To
Speedb is an open-source alternative to the following products:
Frequently Asked Questions
Related Projects
LevelDBLevelDB is a fast key-value storage library written at Google that provides an ordered mapping from string keys to string values.
RocksDBA library that provides an embeddable, persistent key-value store for fast storage.
HiredisMinimalistic C client for Redis >= 1.2
InfinityThe AI-native database built for LLM applications, providing incredibly fast hybrid search of dense vector, sparse vector, tensor (multi-vector), and full-text.
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