oceanbase
OceanBase is a distributed relational database developed by Ant Group that combines OLTP and OLAP workloads (HTAP) in a single system. It scales to 1,500 nodes and petabyte-scale data while maintaining MySQL compatibility and claims high availability with zero data loss and sub-8-second recovery.
Key facts
Objective fields from the source. Values we can't verify are shown as “Unknown” rather than guessed.
| Field | Value |
|---|---|
| Repository | oceanbase/oceanbase |
| Owner | oceanbase |
| Primary language | C++ |
| License | Apache-2.0 — OSI-approved |
| Stars | 10.2k |
| Forks | 1.9k |
| Open issues | 538 |
| Latest release | v4.4.2_CE_BP1 (2026-05-08) |
| Last updated | 2026-07-08 |
| Source | https://github.com/oceanbase/oceanbase |
What oceanbase is
Written in C++, OceanBase uses the Paxos consensus protocol for distributed coordination and provides a shared-nothing architecture supporting transparent horizontal scaling. It offers HTAP capabilities without additional storage cost and MySQL protocol compatibility for application portability.
Get the oceanbase source
Clone the repository and explore it locally.
git clone https://github.com/oceanbase/oceanbase.gitcd oceanbase# follow the project's README for install & configurationNeed it deployed, integrated, or customized instead? DEV.co ships production installs.
Best use cases
Implementation considerations
- Requires Linux for deployment; Docker and Kubernetes options available via ob-operator for containerized environments.
- Paxos consensus imposes network latency and quorum requirements; multi-region deployments must account for inter-node communication overhead.
- Minimum viable cluster scales from standalone 'mini' mode (Docker) to production multi-node; capacity planning should model data growth and node count upfront.
- MySQL compatibility reduces application rewrite but does not guarantee 100% feature parity; review unsupported SQL dialects, functions, and transaction semantics.
- Operational training on distributed system concepts, failure recovery procedures, and cluster topology management is required beyond traditional DBA skills.
When to avoid it — and what to weigh
- Strong PostgreSQL or proprietary database dependency — OceanBase is MySQL-compatible; if your schema, drivers, or operational tooling are heavily PostgreSQL-specific, migration overhead is high.
- Single-node or small-cluster simplicity required — Distributed consensus, Paxos coordination, and multi-node state management add operational complexity; simpler single-instance databases may be more appropriate.
- Mature ecosystem integration mandatory — Compared to PostgreSQL or MySQL, OceanBase has a smaller ecosystem of third-party tools, BI integrations, and community libraries; verify your stack's compatibility.
- Minimal operational or vendor lock-in concerns — While Apache-licensed, the database is developed entirely by Ant Group; production support and long-term roadmap dependence may pose organizational risk for some buyers.
License & commercial use
OceanBase Database is licensed under Apache License 2.0 (Apache-2.0), a permissive OSI-approved license permitting commercial use, modification, and redistribution with attribution and liability disclaimers.
Apache-2.0 permits commercial use and deployment without license fees. However, production support, SLAs, and vendor-backed maintenance are not addressed in the provided data; verify support tiers and commercial backing directly with Ant Group or certified partners before production commitments.
DEV.co evaluation signals
Editorial assessment — not user reviews. Directional, with an explicit confidence level.
| Signal | Assessment |
|---|---|
| Maintenance | Active |
| Documentation | Adequate |
| License clarity | Clear |
| Deployment complexity | High |
| DEV.co fit | Good |
| Assessment confidence | High |
No security audit results, threat model, or vulnerability disclosure process documented in README. TLS/encryption, authentication mechanisms, role-based access control, and audit logging capabilities are not described. Evaluate security posture, compliance certifications (SOC 2, ISO 27001, etc.), and vulnerability response procedures independently before production adoption.
Alternatives to consider
PostgreSQL (with Citus or pg_partman)
Mature ecosystem, stronger documentation, wider tool integration, and simpler operational model for many teams; sacrifices native HTAP and requires separate OLAP layer.
MySQL 8.0+ or MariaDB Xpand
If MySQL compatibility and high availability are primary drivers; OceanBase offers HTAP and Paxos-based resilience at the cost of operational complexity.
TiDB
Similar distributed HTAP positioning, also MySQL-compatible, with active open-source community; vendor lock-in and ecosystem size are comparable trade-offs.
Build on oceanbase with DEV.co software developers
OceanBase offers compelling HTAP and scalability benefits but introduces distributed system complexity. Devco can help assess architectural fit, plan pilot deployments, and manage migration from MySQL or PostgreSQL. Contact us to discuss your use case.
Talk to DEV.coRelated on DEV.co
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oceanbase FAQ
Is OceanBase suitable for replacing MySQL in production?
What are the licensing costs?
Can I run OceanBase on Windows?
What is the minimum hardware footprint?
Custom software development services
Adopting oceanbase is usually one piece of a larger software development effort. As a software development agency, DEV.co provides software development services and web development expertise — pairing senior software developers and web developers with your team to design, build, and operate vector databases software in production.
Evaluate OceanBase for Your Distributed Database Needs
OceanBase offers compelling HTAP and scalability benefits but introduces distributed system complexity. Devco can help assess architectural fit, plan pilot deployments, and manage migration from MySQL or PostgreSQL. Contact us to discuss your use case.