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https://github.com/vesoft-inc/nebula

A distributed, fast open-source graph database featuring horizontal scalability and high availability
https://github.com/vesoft-inc/nebula

big-data cpp database distributed distributed-systems graph graph-database graphdb hacktoberfest nebula nebula-graph nebulagraph raft scalability

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A distributed, fast open-source graph database featuring horizontal scalability and high availability

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世界上唯一能够容纳千亿个顶点和万亿条边,并提供毫秒级查询延时的图数据库解决方案



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# NebulaGraph 是什么?

**NebulaGraph** 是一款开源的图数据库,擅长处理千亿个顶点和万亿条边的超大规模数据集。

NebulaGraph 社区已成长为一个荟聚了众多用户、融合了各类图技术场景实践知识的活跃开源社区。你可以在其中与大家共同交流 NebulaGraph [周边生态项目](https://docs.nebula-graph.com.cn/master/20.appendix/6.eco-tool-version/)的应用心得,或者社交媒体、实时推荐、网络安全、金融风控、知识图谱、人工智能等[大规模生产场景](https://nebula-graph.com.cn/cases)的实践经验。

**NebulaGraph** 特点如下:

* 全对称分布式架构
* 存储与计算分离
* 水平可扩展性
* RAFT 协议下的数据强一致
* 支持 openCypher
* 用户鉴权
* 支持多种类型的图计算算法

**NebulaGraph** 内核架构图如下:

![image](https://docs-cdn.nebula-graph.com.cn/figures/nebula-graph-architecture_3.png)

点击 [NebulaGraph 官网](https://www.nebula-graph.com.cn/) 了解更多信息。

## 快速使用

您可以在[云上](https://docs.nebula-graph.com.cn/3.3.0/2.quick-start/1.quick-start-overview/#_2)或[本地](https://docs.nebula-graph.com.cn/3.3.0/2.quick-start/1.quick-start-overview/#_6)快速体验 **NebulaGraph**。

## 安装方式

您可以通过[下载](https://www.nebula-graph.com.cn/download)安装包或者[源码编译](https://docs.nebula-graph.com.cn/3.3.0/4.deployment-and-installation/2.compile-and-install-nebula-graph/1.install-nebula-graph-by-compiling-the-source-code/)安装 **NebulaGraph**:

## 获取帮助

在使用 **NebulaGraph** 过程中遇到任何问题,都可以通过下面的方式寻求帮助:

* [FAQ](https://docs.nebula-graph.com.cn/3.3.0/20.appendix/0.FAQ/)
* [访问论坛](https://discuss.nebula-graph.com.cn/)
* [查看文档](https://docs.nebula-graph.com.cn/)

## 如何贡献

**NebulaGraph** 是一个完全开源的项目,欢迎开源爱好者通过以下方式参与到 **NebulaGraph** 社区:

* 在 GitHub 上提 [Issue](https://github.com/vesoft-inc/nebula/issues)。
* 贡献代码,详情请参见[如何贡献](https://docs.nebula-graph.com.cn/master/15.contribution/how-to-contribute/)。

## 许可证

**NebulaGraph** 使用 [Apache 2.0](https://www.apache.org/licenses/LICENSE-2.0) 许可证,您可以免费下载,修改以及部署源代码。

您还可以将 **NebulaGraph** 作为后端服务部署以支持您的 SaaS 部署。

## 联系方式

* 访问[官网](http://nebula-graph.com.cn/)
* [![WeiXin](https://img.shields.io/badge/WeChat-%E5%BE%AE%E4%BF%A1-brightgreen)](https://user-images.githubusercontent.com/38887077/67449282-4362b300-f64c-11e9-878f-7efc373e5e55.jpg)
* [![Sina Weibo](https://img.shields.io/badge/Weibo-%E5%BE%AE%E5%8D%9A-red)](https://weibo.com/p/1006067122684542/home?from=page_100606&mod=TAB#place)
* Email: [email protected]

## 加入 NebulaGraph 社区

| 加入 NebulaGraph 社区 | 加入方式 |
| ----------------------- | ------------------------------------------------------------ |
| 微信群 | [![WeChat Group](https://img.shields.io/badge/微信群-000000?style=for-the-badge&logo=wechat)](https://wj.qq.com/s2/8321168/8e2f/) |
| 提问 | [![Discourse](https://img.shields.io/badge/中文论坛-4285F4?style=for-the-badge&logo=discourse&logoColor=white)](https://discuss.nebula-graph.com.cn/) [![Stack Overflow](https://img.shields.io/badge/Stack%20Overflow-nebula--graph-orange?style=for-the-badge&logo=stack-overflow&logoColor=white)](https://stackoverflow.com/questions/tagged/nebula-graph) [![Discussions](https://img.shields.io/badge/GitHub_Discussion-000000?style=for-the-badge&logo=github&logoColor=white)](https://github.com/vesoft-inc/nebula/discussions) |
| 聊天 | [![Chat History](https://img.shields.io/badge/Community%20Chat-000000?style=for-the-badge&logo=discord&logoColor=white)](https://community-chat.nebula-graph.io/) [![Slack](https://img.shields.io/badge/Slack-9F2B68?style=for-the-badge&logo=slack&logoColor=white)](https://join.slack.com/t/nebulagraph/shared_invite/zt-7ybejuqa-NCZBroh~PCh66d9kOQj45g) |
| NebulaGraph Meetup 活动 | [![Tencent_Meeting](https://img.shields.io/badge/腾讯会议-2D8CFF?style=for-the-badge&logo=googlemeet&logoColor=white)](https://meeting.tencent.com/dm/F8NX1aRZ8PQv) [![Google Calendar](https://img.shields.io/badge/Calander-4285F4?style=for-the-badge&logo=google&logoColor=white)](https://calendar.google.com/calendar/u/0?cid=Z29mbGttamM3ZTVlZ2hpazI2cmNlNXVnZThAZ3JvdXAuY2FsZW5kYXIuZ29vZ2xlLmNvbQ) [![Zoom](https://img.shields.io/badge/Zoom-2D8CFF?style=for-the-badge&logo=zoom&logoColor=white)](https://us02web.zoom.us/meeting/register/tZ0rcuypqDMvGdLuIm4VprTlx96wrEf062SH) [![Meetup](https://img.shields.io/badge/Meetup-FF0000?style=for-the-badge&logo=meetup&logoColor=white)](https://www.meetup.com/nebulagraph/events/) [![Meeting Archive](https://img.shields.io/badge/Meeting_Archive-808080?style=for-the-badge&logo=readthedocs&logoColor=white)](https://github.com/vesoft-inc/nebula-community/wiki) |


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