Hibari （在日语中意思为“云雀”）是一个专为高可靠性和大数据存储的数据库引擎，可用于云计算环境中，例如 webmail、SNS 和其他要求T/P级数据存储的环境中。Hibari 支持 Java, C/C++, Python, Ruby, 和 Erlang 语言的客户端。
Hibari 并不是一个关系数据库，主要是通过 key-value 的方法进行数据存储。
主要特点：
- A Hibari cluster is a distributed system.
- A Hibari cluster is linearly scalable.
- A Hibari cluster is highly available.
- All updates are durable.
- All updates are strongly consistent.
- All client operations are lockless.
- A Hibari cluster’s performance is excellent.
- Multiple client access protocols are available.
- Data is repaired automatically after a server failure.
- Cluster configuration can be changed at any time.
- Data is automatically rebalanced.
- Heterogeneous hardware support is easy.
- Micro-transactions simplify creation of robust client applications.
- Per-table configurable performance options are available.