NebulaGraph is an open-source distributed graph database built for super large-scale graphs with milliseconds of latency. It delivers high performance, scalability, and availability for storing and processing graph data.

This Helm chart deploys NebulaGraph cluster using the NebulaGraph Operator on Kubernetes.

Installation

To install NebulaGraph, run:

make install

Prerequisites

NebulaGraph Operator must be installed first:

helm repo add nebula-operator https://vesoft-inc.github.io/nebula-operator/charts
helm install nebula-operator nebula-operator/nebula-operator --namespace nebula-operator --create-namespace

Usage

After installation:

# Check if NebulaGraph cluster is running
kubectl get pods -n nebula

# Access Graphd service
kubectl port-forward svc/nebula-graphd -n nebula 9669:9669

Configuration

The default configuration includes:

NebulaGraph cluster with 3 graphd, 3 metad, and 3 storaged nodes
Persistent storage for data
Default port configurations

Components

Graphd: Query engine for graph processing
Metad: Metadata management
Storaged: Storage engine for graph data

Connecting to NebulaGraph

Use Nebula Console to connect:

# Install nebula-console
# Connect to the cluster
./nebula-console -addr 127.0.0.1 -port 9669 -u root -p nebula

Graph Data Model

NebulaGraph uses:

Vertices: Represent entities
Edges: Represent relationships
Tags: Define vertex types
Edge Types: Define relationship types

Uninstall

To uninstall NebulaGraph:

make uninstall