Bemi is a powerful tool that automatically tracks changes in PostgreSQL databases. It connects to the database’s Write-Ahead Log (WAL) and uses Change Data Capture (CDC) to record every modification. Bemi runs quietly in the background, requiring no alterations to existing table structures. This approach ensures 100% reliable tracking without impacting database performance.

Major Highlights

• Automatic and reliable database change tracking
• High performance with no impact on runtime execution
• Easy setup without modifying table structures
• Time travel querying capabilities
• Filtering options for change data
• Optional application context via ORM packages
• Comprehensive understanding of all database changes
• Non-invasive operation in the background
• Simplified architecture for easy self-hosting
• Cloud platform option for hassle-free usage

Use Cases

• Audit trails for compliance and customer support
• Time travel to retrieve historical data
• Troubleshooting application issues
• Reverting changes made by users or within API requests
• Distributed tracing across systems
• Testing by rolling back or forward to different states
• Analyzing historical trends for decision-making
• Implementing event sourcing without complex setups

Bemi shines in scenarios where understanding data changes is crucial. It’s a game-changer for businesses needing robust audit trails or those wanting to offer time-travel features to their users. The tool’s flexibility makes it valuable across various industries, from fintech to e-commerce and beyond.