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https://github.com/actiontech/dble
A High Scalability Middle-ware for MySQL Sharding
https://github.com/actiontech/dble
dble distributed-database mysql mysql-sharding sharding
Last synced: about 2 months ago
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A High Scalability Middle-ware for MySQL Sharding
- Host: GitHub
- URL: https://github.com/actiontech/dble
- Owner: actiontech
- License: gpl-2.0
- Created: 2017-08-24T10:58:41.000Z (about 7 years ago)
- Default Branch: master
- Last Pushed: 2024-07-30T05:55:31.000Z (about 2 months ago)
- Last Synced: 2024-07-30T09:14:29.595Z (about 2 months ago)
- Topics: dble, distributed-database, mysql, mysql-sharding, sharding
- Language: Java
- Homepage: https://opensource.actionsky.com
- Size: 25.2 MB
- Stars: 1,089
- Watchers: 76
- Forks: 317
- Open Issues: 93
-
Metadata Files:
- Readme: README.md
- Contributing: docs/CONTRIBUTING.md
- License: LICENSE
- Roadmap: docs/ROADMAP.md
Awesome Lists containing this project
- my-awesome - actiontech/dble - database,mysql,mysql-sharding,sharding pushed_at:2024-08 star:1.1k fork:0.3k A High Scalability Middle-ware for MySQL Sharding (Java)
README
[](https://github.com/actiontech/dble/issues)
[](https://github.com/actiontech/dble/issues?q=is%3Aissue+is%3Aclosed)
[](https://github.com/actiontech/dble/network/members)
[](https://github.com/actiontech/dble/stargazers)
[](https://github.com/actiontech/dble/graphs/contributors)
[](https://github.com/actiontech/dble/blob/master/LICENSE)
[](https://travis-ci.com/actiontech?tab=insights)
[](https://github.com/actiontech/dble/releases)
[](https://github.com/actiontech/dble/releases)
[](https://github.com/actiontech/dble)
dble (pronouced "double", less bug and no "ou") is maintained by [ActionTech](https://opensource.actionsky.com).
DBLE由上海爱可生信息技术股份有限公司（以下简称爱可生公司）出品和维护。
DBLE是爱可生公司“云树分布式数据库软件（简称‘云树®Shard’或‘CTREE Shard’）”软件产品的开源版本。
## 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](https://github.com/MyCATApache/Mycat-Server). 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](./docs/ROADMAP.md) and [Issues](https://github.com/actiontech/dble/issues) .
## Roadmap
Read the [Roadmap](./docs/ROADMAP.md).
## Architecture
## Quick start
Read the [Quick Start](./docs/QUICKSTART.md) or [Quick Start With Docker](./docs/dble_quick_start_docker.md) or [Quick Start With Docker-Compose](./docs/dble_start_docker_compose.md).
参见文档[快速开始](https://github.com/actiontech/dble-docs-cn/blob/master/0.overview/0.3_dble_quick_start.md)或者[Docker快速开始](https://github.com/actiontech/dble-docs-cn/blob/master/0.overview/0.4_dble_quick_start_docker.md)或者[Docker-Compose快速开始](https://github.com/actiontech/dble-docs-cn/blob/master/0.overview/0.5_dble_start_docker_compose.md).
## Official website
For more information, please visit the [official website](https://opensource.actionsky.com).
## Download
[Releases Download Link](https://github.com/actiontech/dble/releases) Or [The Other Image](https://hub.fastgit.org/actiontech/dble/releases)
## Documentation
+ [简体中文](https://actiontech.github.io/dble-docs-cn/)
+ 最新PDF版本请去[文档PDF下载](https://github.com/actiontech/dble-docs-cn/releases/download/3.22.11.0%2Ftag/dble-manual-3.22.11.0.pdf) 或者[github镜像站下载](https://hub.fastgit.org/actiontech/dble-docs-cn/releases/download/3.22.11.0%2Ftag/dble-manual-3.22.11.0.pdf) 或者去[文档中心](https://actiontech.github.io/dble-docs-cn/)选择合适的版本下载
+ [中文公开课](https://opensource.actionsky.com/dble-lessons/)
+ English(Comming soon)
## Contributing
Contributions are welcomed and greatly appreciated. See [CONTRIBUTING.md](./docs/CONTRIBUTING.md)
for details on submitting patches and the contribution workflow.
## Community
* IRC: [](https://kiwiirc.com/client/irc.freenode.net/?nick=user|?&theme=cli#dble)
* QQ group: 669663113
* [If you're using DBLE, please let us know.](https://wj.qq.com/s/2291106/09f4)
* wechat subscription QR code
## Contact us
Dble has enterprise support plans, you may contact our sales team:
* Global Sales: 400-820-6580
* North China: 86-13910506562, Mr.Wang
* South China: 86-18503063188, Mr.Cao
* East China: 86-18930110869, Mr.Liang
* South-West China: 86-13540040119, Mr.Hong