• Release date: 2013/5/21
• Doris is one of Alibaba technology products

• Multi-tenant
• Scalable like HBase. Support large scale data storage and visit with scalable server deployment.
• High available than HBase. Neither lost data nor reject app's access when any server is crashed.
• High performance. Less 4 ms for commonly data access.
• Auto failover and data recover. Doris provides auto failover and data recover when server is crashed. Easy add servers to Doris cluster with web interface.
• Optimized consistence hash algorithm. More balance on distributed data than traditional consistence hash algorithm.

Doris provides high performance KV access with low latency and high throughput. Less 4 ms for commonly data access.

Doris is designed to support large scale cluster up to 2000+ node.

  Doris provides an uniform storage cloud for multiple tenants. It uses namespace to provide excluisve space for every cloud user.

  Doris provides a set of uniform KV API and extensible architecture. You can implement specific adapter to construct a cluster for specific KV database.

Doris has provieded adapters for the most common KV databases by default , such as

• KV cache, such as Redis, Memcached etc.
• KV storage, such as Berkley DB, Mysql KV, KyotoCabinet etc.