Installation & Configuration of Neo4j

1. Introduction

Neo4j is a graph database management system that uses a property graph model to represent and store data. This lesson covers the installation and configuration process for Neo4j, ensuring you can set it up correctly for your applications.

2. Installation

Follow these steps to install Neo4j on your system:

1. Download the Neo4j installer from the official website.
2. Run the installer.
   

   sudo dpkg -i neo4j-community--unix.tar.gz

3. Start the Neo4j service:

   neo4j start

3. Configuration

To configure Neo4j, you will edit the neo4j.conf file located in the conf directory of the Neo4j installation. Key configurations include:

• Setting the database path: dbms.active_database=graph.db
• Configuring the HTTP connector: dbms.connector.http.enabled=true
• Setting authentication: dbms.security.auth_enabled=true

Example Configuration

# Example neo4j.conf settings
dbms.memory.heap.initial_size=512m
dbms.memory.heap.max_size=2g
dbms.memory.pagecache.size=2g
            

4. Best Practices

When installing and configuring Neo4j, consider the following best practices:

• Regularly back up your databases.
• Monitor performance metrics to optimize configurations.
• Use the latest stable version of Neo4j for security and performance improvements.

5. FAQ