ozone
Lealone is a high-performance relational database for OLTP, also compatible with MongoDB, MySQL, and PostgreSQL, featuring async architecture and sharding.
Score
30
User Rating
3.0
Free/Trial Support
Supported
Starting Price
--
Last Updated
Jun 11, 2026
Overview
What is ozone?
Lealone is a high-performance relational database optimized for OLTP scenarios, also serving as a document database compatible with MongoDB, and supporting MySQL and PostgreSQL protocols and SQL syntax. It offers features like async processing, pluggable storage and transaction engines, and hybrid row-column storage.
What is ozone used for?
Top Features
- High concurrent write performance
- Full async pipeline
- Pluggable storage and transaction engines
- Hybrid row-column storage
- Compatible with MongoDB, MySQL, PostgreSQL
- Support for sharding and replication
How to use ozone?
Use Lealone by embedding it as a jar, running in client/server mode, or deploying in replication or sharding clusters. It supports SQL queries, indexing, and services via CREATE SERVICE, with quick JDBC connections and no need for connection pools.
Alternative Tools
No alternative tools found
Pros & Cons
Pros
- Extremely fast writes
- Low resource usage
- Flexible deployment modes
- High compatibility with popular databases
Cons
- Limited documentation in English
- Smaller community compared to major databases
Use Cases
- OLTP applications
- Microservices with embedded databases
- Systems requiring high concurrency
- Projects needing multi-database compatibility
ozone Pricing
Free PlanSubscription Plan
No detailed pricing information available
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