Zero-Downtime Configuration Framework
Real-time business rule deployment system using Kafka and Redis, enabling dynamic configuration changes without service restarts or downtime.
Project Overview
Developed a revolutionary configuration management system that allows real-time updates to business rules and application settings without requiring service restarts.
The framework uses event-driven architecture with Kafka for reliable message delivery and Redis for fast configuration caching.
Successfully deployed across multiple Visa services, enabling rapid business rule changes and A/B testing capabilities.
Key Features
- Real-time configuration updates
- Event-driven architecture with Kafka
- Redis-based caching for low latency
- Audit logging and change tracking
- Multi-environment support
Challenges & Solutions
Consistency Guarantees
Implemented distributed consensus mechanisms to ensure configuration consistency across all service instances during updates.
Backward Compatibility
Designed a sophisticated versioning system that maintains backward compatibility while allowing services to migrate to new configurations at their own pace.
Project Info
Timeline
4 months
Role
Software Engineer
Technologies
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