StoreCopyFiltered

[Mahmoud-kamal12]

Neo4j Store Copy Tool - Release Description 🚀

📌 Overview

The Neo4j Store Copy Tool is a high-performance, optimized script designed to copy specific data from a Neo4j 3.5 database into a new database. This tool allows for filtered node copying based on org_id, ensuring only relevant data is transferred while preserving relationships.

The tool is optimized for fast execution on high-memory servers (30GB RAM or more) and supports both Community and Enterprise editions of Neo4j.

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🔥 Key Features

✅ Selective Data Copying – Copies only nodes and relationships for a specific org_id.
✅ High Performance – Optimized for servers with large RAM, using custom heap and caching settings.
✅ Preserves Node IDs – Ensures relationships remain intact after migration.
✅ Supports Large Databases – Uses batch processing for scalability.
✅ Automated Execution – Can be run immediately after deployment with minimal configuration.
✅ Flexible Deployment – Packaged as a standalone script with all dependencies included.

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🛠 System Requirements

• Neo4j 3.5 Community or Enterprise Edition
• Java 8 or 11
• Linux-based server (Ubuntu, CentOS, RHEL, or Debian recommended)
• At least 16GB RAM (Optimized for 30GB RAM servers)

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🚀 Installation & Deployment

1️⃣ Install Java (if not already installed)

sudo apt update  
sudo apt install openjdk-11-jre -y  

2️⃣ Extract the Tool Package

tar -xzvf neo4j-copy-tool.tar.gz  
cd neo4j-copy-tool/  
chmod +x copy-store-filtered.sh  

3️⃣ Run the Script

./copy-store-filtered.sh community source.db target.db 123  

📌 Replace:

• community → Neo4j Edition (enterprise if using Enterprise version).
• source.db → Path to the source database.
• target.db → Path to the target database.
• 123 → The org_id of the data to be copied.

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⚡ Performance Optimization

• Heap Memory: Configurable (default: 10G).
• Page Cache: Uses 16GB for optimal performance.
• Batch Processing: Ensures high-speed migration without overloading memory.

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📜 License & Usage

This tool is provided as-is under an open-source license. Contributions and improvements are welcome!

📩 For support & updates, contact: [Your Contact Info]