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https://github.com/baidu/BaikalDB

BaikalDB, A Distributed HTAP Database.
https://github.com/baidu/BaikalDB

baikaldb database htap mysql raft sql

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BaikalDB, A Distributed HTAP Database.

Host: GitHub
URL: https://github.com/baidu/BaikalDB
Owner: baidu
License: apache-2.0
Created: 2018-08-03T14:19:12.000Z (about 6 years ago)
Default Branch: master
Last Pushed: 2024-04-12T11:29:21.000Z (5 months ago)
Last Synced: 2024-04-13T22:25:22.491Z (5 months ago)
Topics: baikaldb, database, htap, mysql, raft, sql
Language: C++
Homepage:
Size: 6.31 MB
Stars: 1,141
Watchers: 55
Forks: 170
Open Issues: 1
Metadata Files:
- Readme: README.md
- License: LICENSE
- Code of conduct: .github/CODE_OF_CONDUCT.md

Awesome Lists containing this project

my-awesome - baidu/BaikalDB - 06 star:1.2k fork:0.2k BaikalDB, A Distributed HTAP Database. (C++)
awesome-distributed-system-projects - BaikalDB is a distributed HTAP MySQL-compatible database designed for petabytes scale
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README

## BaikalDB：A Distributed HTAP Database
[![GitHub license](https://img.shields.io/github/license/baidu/BaikalDB?style=social)](https://github.com/baidu/BaikalDB/blob/master/LICENSE)
[![GitHub stars](https://img.shields.io/github/stars/baidu/BaikalDB?style=social)](https://github.com/baidu/BaikalDB/stargazers)
[![GitHub issues](https://img.shields.io/github/issues/baidu/BaikalDB?style=social)](https://github.com/baidu/BaikalDB/issues)

BaikalDB supports sequential and randomised realtime read/write of structural data in petabytes-scale.
BaikalDB is compatible with MySQL protocol and it supports MySQL style SQL dialect, by which users can migrate their data storage from MySQL to BaikalDB seamlessly.

BaikalDB internally provides projections, filter operators (corresponding with SQL WHERE or HAVING clause), aggregation operators (corresponding with GROPY BY clause) and sort operators (corresponding with SQL ORDER BY), with which users can fulfill their complex and time-critical analytical and transactional requirement by writing SQL statements. In a typical scenario, hundreds of millions of rows can be scanned and aggregated in few seconds.

BaikalDB also supports full-text search by building inverted indices after words segmentation.
Users can harness fuzzy search feature simply by adding a `FULLTEXT KEY` type index when creating tables and then use LIKE clause in their queries.

See the github [wiki](https://github.com/baidu/BaikalDB/wiki) for more explanation.

## License
baidu/BaikalDB is licensed under the Apache License 2.0

## Acknowledgements
* We are especially grateful to the teams of RocksDB, brpc and braft, who built powerful and stable libraries to support important features of BaikalDB.
* We give special thanks to TiDB team and Impala team. We referred their design schemes when designing and developing BaikalDB.
* Thanks our friend team -- The Baidu TafDB team, who provide the space efficient snapshot scheme based on braft.
* Last but not least, we give special thanks to the authors of all libraries that BaikalDB depends on, without whom BaikalDB could not have been developed and built so easily.