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A distributed, scalable, lightning-fast graph database

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What is 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

Quick start

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

Please note that you must install Nebula Graph by installing source code, rpm/deb packages or docker compose, before you can actually start using it. If you prefer a video tutorial, visit our YouTube channel.

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


Visualization Tool: Nebula Graph Studio

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

Supported Clients


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:

Getting help & Contact

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

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