MCP Server Stardog

🚀 Stardog Documentation

Stardog is a powerful data management system that offers a wide range of features for database creation, management, and more. It supports multiple operating systems and provides various tools for users, developers, and administrators.

🚀 Quick Start

Installation and Configuration

• Linux:

  # Use the default installation path (/opt/stardog)
  sudo apt-get install stardog
  
  # Specify a custom installation path
  sudo apt-get install stardog=/path/to/custom/location
  

• Windows:

  • Download the.exe file and double - click to start the installation.
  • You can choose the default path or a custom path during the installation process.

Quick Startup

• Linux/Mac: stardog start
• Windows: Click the desktop shortcut or start it through the Start menu.

✨ Features

Database Management

• Create a Database:

# Create a database named mydb with default configuration
stardog create mydb

# Custom parameters (optional)
stardog create --max - memory 4g --shared_buffers 128m mydb

• Delete a Database:

stardog delete mydb

User and Permission Management

• Create a User:

stardog useradd username

• Delete a User:

stardog userdel username

• Change Password:

stardog passwd username

• Grant Permissions:

# Read permission
stardog grant read --db=mydb username

# Write permission
stardog grant write --db=mydb username

Backup and Recovery

• Database Backup:

stardog backup mydb /path/to/backup/directory

• Database Recovery:

stardog restore mydb /path/to/backup/file backup_label

Advanced Features

• Monitoring Tools:
  • Built - in Monitoring: Use the stardog monitor command to view real - time performance data.
  • Log Analysis: Check the log files in the $STARDOG_HOME/logs directory.
• Extension Plugins:
  • Install a Plugin:

  stardog plugin install /path/to/plugin.jar
  

  • Enable a Plugin:

  stardog plugin enable PluginName
  

📚 Documentation

User Guide

Quick Start

1. Download and install the version suitable for your operating system.
2. After starting the service, log in with the default username and password (usually admin/password).

Database Management

• Query Data:
  • SPARQL Query:

  SELECT * WHERE { ?s ?p ?o }
  

  • Cypher Query (Neo4j Compatible):

  MATCH (n) RETURN n
  

User and Permission Management

• Manage Users:
  • Add a new user: stardog useradd username
  • Delete an existing user: stardog userdel username
  • Change user password: stardog passwd username
• Control Permissions:
  • Grant read permission: stardog grant read --db=mydb username
  • Revoke all permissions: stardog revoke all --db=mydb username

Monitoring and Maintenance

• Performance Monitoring:
  • View real - time performance data:

  stardog monitor
  

  • Analyze log files:

  tail -f $STARDOG_HOME/logs/stardog.log
  

• Regular Backup:
  • Perform database backup:

  stardog backup mydb /path/to/backup
  

  • Restore the database:

  stardog restore mydb backupfile.tar.gz backup_label
  

Advanced Guide

Advanced Features

• Extension Plugins:
  • Install a Plugin:

  stardog plugin install /path/to/plugin.jar
  

  • Enable a Plugin:

  stardog plugin enable PluginName
  

• Custom Configuration:
  • Edit the configuration file $STARDOG_HOME/config.properties to adjust settings such as memory and logs.

Cluster Management

• Create a Cluster:
  1. Install and start Stardog on each node.
  2. Initialize the cluster using the stardog cluster create command.
• Expand the Cluster:

stardog cluster add - node new_node_address

Security Guide

• SSL Configuration:
  • Enable SSL encrypted communication:

  stardog configure --ssl - enabled true
  

  • Configure the certificate path:

  stardog configure --ssl - certificate /path/to/cert.pem
  

• Authentication Mechanism:
  • Use LDAP for user authentication.
  • Configure single - sign - on (SSO) integration.

Optimization Tips

• Index Optimization:
  • Create an index to speed up common queries:

  stardog index create --name myindex --query "SELECT * WHERE { ?s ?p ?o }"
  

• Query Tuning:
  • Use the EXPLAIN keyword to analyze the query execution plan.
  • Avoid using high - order statements and optimize data retrieval efficiency.

Troubleshooting

• Network Connection Issues:
  1. Check the firewall settings to ensure that the relevant ports are open.
  2. Verify the network connectivity between all nodes.
• Performance Bottlenecks:
  1. Increase the memory or adjust the database configuration parameters.
  2. Regularly perform maintenance tasks to clean up useless data.

Developer Documentation

REST API

• Create a New Resource:

POST /api/resource
Content - Type: application/json

{
  "name": "myresource",
  "description": "Test resource"
}

• Get All Resources:

GET /api/resources
Response:
[
  { "id": 1, "name": "myresource" },
  { "id": 2, "name": "another" }
]

Database API

• Execute a Query:
  • SPARQL POST Request:

  POST /db/mydb/query
  Content - Type: application/sparql - query
  
  SELECT * WHERE { ?s ?p ?o }
  

  • Cypher GET Request:

  GET /db/mydb/cypher?query=match%20(n)%20return%20n
  

Event Listening

• Add an Event Listener:

public class MyListener implements EventHandler {
    public void handle(Event event) {
        System.out.println("Event received: " + event.getType());
    }
}

Plugin Development

• Create a Plugin:
  1. Package your Java classes into a JAR file.
  2. Enable the plugin in Stardog:

  stardog plugin enable MyPlugin
  

Best Practices

Performance Optimization

• Memory Configuration:
  • Adjust the heap memory size according to the database load.
  • Use JMX to monitor memory usage.
• Index Management:
  • Create indexes for common queries to improve query speed.
  • Rebuild indexes regularly to maintain optimal performance.

Security Measures

• Authentication and Authorization:
  • Configure LDAP or SSO for user authentication.
  • Use fine - grained access control policies.
• Encrypted Communication:
  • Enable SSL/TLS encryption for database communication.
  • Configure CA certificates to ensure communication security.

Backup and Recovery

• Regular Backup:
  • Set up automatic backup tasks and save them to multiple storage locations.
  • Test the validity of backup files to ensure recoverability.
• Disaster Recovery:
  • Develop a detailed disaster recovery plan.
  • Conduct regular drills and tests.

Cluster Management

• Load Balancing:
  • Use a load balancer to distribute requests to each node.
  • Monitor the cluster status and handle failed nodes in a timely manner.
• Automatic Scaling:
  • Automatically increase or decrease computing resources according to the load.
  • Configure automatic scaling policies to adapt to changes in business requirements.

Monitoring and Logging

• Real - Time Monitoring:
  • Use tools such as Prometheus for real - time monitoring.
  • Set alarm thresholds to detect abnormal situations in a timely manner.
• Log Analysis:
  • Centralize the management of log files for unified analysis.
  • Use log mining techniques to identify potential problems.

FAQ

1. How to install Stardog? Visit the official download page and select the appropriate installation package for installation.
2. How to configure Stardog? Copy config.properties to a custom location, edit the required parameters, and then restart the service.
3. How to manage plugins? Use the command - line tools to install and enable plugins.
4. What to do if there are performance issues? Check the log files, analyze the query execution plan, and consider optimizing indexes and configurations.
5. Which operating systems are supported? It supports Linux, Windows, and macOS systems.
6. How to back up the database? Set up automatic backup tasks, save them to multiple storage locations, and regularly test the validity of backup files.
7. How to handle startup issues? View the log file $STARDOG_HOME/logs/stardog.log for more information.
8. Which authentication methods are supported? It supports multiple authentication methods such as LDAP and SSO, depending on the configuration and plugin extensions.
9. How to monitor a Stardog instance? Use JMX or third - party tools such as Prometheus for real - time monitoring and performance analysis.
10. How to update to a new version? Follow the steps in the official documentation to upgrade, ensure that the data is backed up completely, and test the stability of the new version.

Support and Services

Support Options

• Community Support: Get help through the forum and GitHub Issues.
• Paid Support: Contact the sales team for priority support services.

Professional Services

• Custom Development: Perform feature extension and optimization according to requirements.
• Training Courses: Provide training courses on Stardog usage and management.

Partner Program

• Become a Partner: Join Stardog's partner network to provide joint solutions and services.

About

Company Information

• Company Name: Starlight Solutions Inc.
• Headquarters Address: 123 Star Street, Moon City, Galaxy Land.
• Contact Information:
  • Email: info@example.com
  • Phone: +1 (555) 123 - 4567

Mission and Vision

• Mission: Provide efficient and reliable data management solutions.
• Vision: Become a leader in the data management field and drive technological innovation.

Social Media

• Twitter: @StardogProject
• LinkedIn: linkedin.com/company/stardog - project

📄 License

No license information provided in the original document.

🔧 Technical Details

No specific technical details (more than 50 words) provided in the original document.

附录 (Appendix)

Error Codes

• Error 500: Internal server error.
• Error 401: Unauthorized access.
• Error 404: Resource not found.

Command - Line Tools

• Use stardog --help to get detailed information about all available commands.