Dorea

<p align="center"> <p align="center"><img src="./assets/DoreaDB.png" width="120"/></p> <p align="center"> <a href="https://github.com/mrxiaozhuox/Dorea/actions"> <img alt="Build" src="https://img.shields.io/github/workflow/status/mrxiaozhuox/Dorea/Rust?style=for-the-badge" /> </a> <a href="https://github.com/mrxiaozhuox/Dorea/blob/master/LICENSE"> <img alt="GitHub" src="https://img.shields.io/github/license/mrxiaozhuox/Dorea?style=for-the-badge"> </a> <a href="https://github.com/mrxiaozhuox/Dorea/blob/master/LICENSE"> <img alt="Code" src="https://img.shields.io/github/languages/code-size/mrxiaozhuox/Dorea?style=for-the-badge"> </a> </p> <p align="center"> <strong>Dorea is a key-value data storage system. It is based on the Bitcask storage model</strong> </p> <p align="center"> <a href="http://dorea.mrxzx.info/">Documentation</a> | <a href="https://crates.io/crates/dorea">Crates.io</a> | <a href="https://docs.rs/dorea/">API Doucment</a> </p> <p align="center"> <a href="https://github.com/mrxiaozhuox/dorea/blob/master/README.CN.md">简体中文</a> | <a href="https://github.com/mrxiaozhuox/dorea/blob/master/README.md">English</a> </p> </p>

Data Sturct

Dorea have the basic data type and some compound type.

• String
• Number
• Boolean
• Binary
• List <DataValue>
• Dict <String, DataValue>
• Tuple <DataValue, DataValue>

Storage Model

dorea based on the Bitcask storage model. (Log)

All insert, update, delete operations are implemented as appends.

key: foo | value: "bar" | timestamp: 1626470590043 # Insert Value
key: foo | value: "new" | timestamp: 1626470590043 # Update Value (append info)
key: foo | value:  none | timestamp: 1626470590043 # Remove Value (append info)

When a storage file reaches a maximum capacity, it is archived and a new write file is created.

Screenshot

Docker

docker pull mrxiaozhuox/dorea