shusl增加的优化

1. 增加了绑定指定IP的能力
2. 增加了基于int类型字段hash取模的支持（比如分100个库）
3. 增加基于字符串类型，进行CRC32之后，进行hash取模分库的支持

codertianwei增加的优化

1. 增加ServerIdMask和FileMap的复合路由
2. 优化配置，相同库的表只需配置一次
3. cobar配置自动生成工具，从数据库读取相应信息，自动生成XML配置

What is Cobar?

Cobar is a proxy for sharding databases and tables,compatible with MySQL protocal and MySQL SQL grama,underlying storage only support MySQL for support foreground business more simple,stable,efficient and safety。

• Sharding You can add new MySQL instance as your business grows.

• High availability Both Cobar server and underlying MySQL is clustered,business will not suffer with single node fail.

• Compatible with MySQL protocol Use Cobar as MySQL. You can replace MySQL with Cobar to power your application.

Roadmap

Read the Roadmap.

Architecture

Quick start

Read the Quick Start.

Documentation

• User Guide
• FAQ

Contributing

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

Mailing list

alibaba_cobar@googlegroups.com

License

Cobar is under the Apache 2.0 license. See the LICENSE file for details.