README-English.md

中文 版本

CEDAR is a scalable relational database based on OceanBase 0.4.2 developed by School of Data Science and Engineering, East China Normal University. On February 1, 2016, CEDAR project team had completed the development and test of CEDAR 0.1. On September 26, 2016, CEDAR 0.2 released.

Version Characteristics

On CEDAR, we have developed 12 new function modules listed as follows:

The new features of Cedar 0.1:

* High Availability of three Cluster Architecture (such as RootServer Election, Automatic Switching of Roles, Log Synchronization and Recovery, etc.) * Libonev:Multi-thread Network I/O Processing Framework * Cursor * Stored Procedure * Secondary Index * Batch Update of Non-primary key * Semi Join

The new features of Cedar 0.2:

* Snapshot Isolation * Table Lock * Bloom-filter Join * Scalable Commit * Optimization of Log Synchronization

"CEDAR User Guide" describes how to install, deploy the clusters and how to execute SQL operations. "CEDAR function development manual" introduces the development need, function, design idea, and the application limitation of each module.

CEDAR Open Source Links

• CEDAR source code：https://github.com/daseECNU/Cedar/tree/master/CEDAR_0.2

• Libonev source code：https://github.com/daseECNU/Cedar/tree/master/CEDAR_0.2/libonev

• CEDAR libonev RPM package：libonev-0.1-1.x86_64.rpm

• CEDAR documents：

  https://github.com/daseECNU/Cedar/tree/master/CEDAR_0.2/doc/CEDAR_doc

Contact

R & D team: CEDAR project team, School of Data Science and Engineering, East China Normal University.

Address: No. 3663, Zhongshan North Road, Putuo District, Shanghai.

Zip code: 200062.

Email: cedar.tp@gmail.com.

For any question about CEDAR, you can contact us by email, and we will give you feedback.