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Tera - An Internet-Scale Database

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Copyright 2015, Baidu, Inc.

Tera is a high performance distributed NoSQL database, which is inspired by google's BigTable and designed for real-time applications. Tera can easily scale to petabytes of data across thousands of commodity servers. Besides, Tera is widely used in many Baidu products with varied demands,which range from throughput-oriented applications to latency-sensitive service, including web indexing, WebPage DB, LinkBase DB, etc. (中文)

Features

Data model

Tera is the collection of many sparse, distributed, multidimensional tables. The table is indexed by a row key, column key, and a timestamp; each value in the table is an uninterpreted array of bytes.

To learn more about the schema, you can refer to BigTable.

Architecture

架构图

Tera has three major components: sdk, master and tablet servers.

Building blocks

Tera is built on several pieces of open source infrastructure.

Documents

Quick start

Contributing to Tera

Contributions are welcomed and greatly appreciated.

Read Roadmap to get a general knowledge about our development plan.

See Contributions for more details.

Follow us

To join us, please send resume to tera-user at baidu.com.