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All Projects → actiontech → Dble

actiontech / Dble

Licence: gpl-2.0
A High Scalability Middle-ware for MySQL Sharding

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java
68154 projects - #9 most used programming language

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mysqldistributed-databasesharding

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dble

GitHub issues GitHub closed issues GitHub forks GitHub stars GitHub contributors GitHub license

Code Quality: Java Travis-ci build GitHub release GitHub download status

dble (pronouced "double", less bug and no "ou") is maintained by ActionTech.

What is dble?

dble is a high scalability middle-ware for MySQL sharding.

  • Sharding As your business grows, you can use dble to replace the origin single MySQL instance.

  • Compatible with MySQL protocol Use dble as same as MySQL. You can replace MySQL with dble to power your application without changing a single line of code in most cases.

  • High availability dble server can be used as clustered, business will not suffer from single node fail.

  • SQL Support Support(some in Roadmap) SQL 92 standard and MySQL dialect. We support complex SQL query like group by, order by, distinct, join ,union, sub-query(in Roadmap) and so on.

  • Complex Query Optimization Optimize the complex query, including, without limitation, Global-table join sharding-table, ER-relation tables, Sub-Queries, Simplifying select items, and the like.

  • Distributed Transaction Support Distributed Transaction using two-phase commit. You can choose normal mode for performance or XA mode for data safety, of course, the XA mode dependent on MySQL-5.7's XA Transaction, MySQL node's high availability and data reliability of disk.

History

dble is based on MyCat. First of all, thanks to the contributors from MyCat.

For us, focusing on MySQL is a better choice. So we cancelled the support for other databases, deeply improved/optimized its behavior on compatibility, complex query and distributed transaction. And of course, fixed lots of bugs.

For more details, see Roadmap and Issues .

Roadmap

Read the Roadmap.

Architecture

architecture

Quick start

Read the Quick Start or Quick Start With Docker or Quick Start With Docker-Compose.

参见文档快速开始或者Docker快速开始或者Docker-Compose快速开始.

Official website

For more information, please visit the official website.

Documentation

Contributing

Contributions are welcomed and greatly appreciated. See CONTRIBUTING.md for details on submitting patches and the contribution workflow.

Community

Contact us

Dble has enterprise support plans, you may contact our sales team:

  • Global Sales: 400-820-6580
  • North China: 86-13718877200, Mr.Wang
  • South China: 86-18503063188, Mr.Cao
  • East China: 86-18930110869, Mr.Liang
  • South-West China: 86-13540040119, Mr.Hong
Note that the project description data, including the texts, logos, images, and/or trademarks, for each open source project belongs to its rightful owner. If you wish to add or remove any projects, please contact us at [email protected].