English | 中文
A distributed, scalable, lightning-fast graph database

Please note that this repo is only for Nebula Graph v1.*.*.

From v2.*.*, which was already GA in 2021 April, Nebula Graph's core codebases are nebula-graph, nebula-common and nebula-storage, it's recommended to start from the repo: nebula-graph.

Nebula Graph is an open-source graph database capable of hosting super large-scale graphs with billions of vertices (nodes) and trillions of edges, with milliseconds of latency. It delivers enterprise-grade high performance to simplify the most complex data sets imaginable into meaningful and useful information.

Below is the architecture of Nebula Graph:

Compared with other graph database solutions, Nebula Graph has the following advantages:

• Symmetrically distributed
• Storage and computing separation
• Horizontal scalability
• Strong data consistency by RAFT protocol
• SQL-like query language
• Role-based access control for higher level security

Read the Getting started from docs to quickly get going with Nebula Graph.

For Nebula Graph Installation, in addition to referring to the docs to deploy from one of the three options: source code, RPM/DEB package, or Docker Compose, if you prefer a video tutorial, please check out our YouTube channel.

In case you encounter any problem, be sure to ask us on our official forum.

Note

For the users from the legacy v1.*.*, please reach out to the following links:

• Getting started
• installing from source code
• rpm/deb packages

• English
• Simplified Chinese (简体中文)

Visit Nebula Graph Studio for visual exploration of graph data on a web UI.

• Go
• Python
• Java

Nebula Graph is under Apache 2.0 license. So you can freely download, modify, and deploy the source code to meet your needs. You can also freely deploy Nebula Graph as a back-end service to support your SaaS deployment.

In order to prevent cloud providers from monetizing the project without contributing back, we added Commons Clause 1.0 to the project. As mentioned, we are fully committed to the open source community. We would love to hear your thoughts on the licensing model and are willing to make it more suitable for the community.

Contributions are warmly welcomed and greatly appreciated. Here are a few ways you can contribute:

• Start by some good first issues
• Submit Pull Requests to us. See how-to-contribute.

In case you encounter any problems playing around Nebula Graph, please reach out for help:

• Official Forum
• Twitter: @NebulaGraph
• Facebook page
• LinkedIn page

If you like Nebula Graph, please leave us a star.