DCW: API Modernization and Global Content Search at Scale
Digital Content Warehouse (DCW) is a large-scale content management and streaming platform operating in 150+ countries. It supports 1,500 services and handles 150,000+ concurrent users, delivering a diverse media library-movies, TV shows, workouts, documentaries, and gaming content-through a robust and scalable infrastructure.
Challenge and Scope
Legacy API Migration
Migrating two complex legacy APIs from Slim PHP to Symfony with zero downtime and no disruption to existing services
Data Integrity During Migration
Ensuring full consistency and accuracy of data throughout the migration process to prevent any data loss or corruption
High-Concurrency Performance
Designing a system capable of handling 150,000+ concurrent users while maintaining low latency and system stability
Advanced Search Integration
Integrating Amazon CloudSearch for scalable search functionality and enabling country-specific filtering for improved localization and relevance
Complete API Rewrite
Refactoring and rewriting two core APIs using Symfony 7, leveraging its modular architecture for better maintainability and scalability
CloudSearch Integration
Integrating Amazon CloudSearch to provide high-performance search capabilities with geographic filtering based on user location
API Performance Optimization
Improving API response times through database query tuning, code-level optimization, and efficient request handling mechanisms
Approach
Phased Migration Strategy
Adopted a step-by-step migration to reduce service disruption and allow continuous validation of each API module
In-Depth API Audit
Conducted thorough analysis of Slim PHP APIs to understand existing logic, workflows, and data structures
Incremental Symfony Development
Gradually rebuilt APIs using Symfony, ensuring modular development and rigorous unit/integration testing
Secure and Accurate Data Migration
Executed carefully planned data transfer procedures to preserve data integrity and consistency
Robust Symfony Framework Adoption
Leveraged Symfony 7's advanced routing, security, and dependency injection features for stable API design
Seamless Amazon CloudSearch Integration
Integrated CloudSearch for fast, scalable content discovery with customized query logic
Country-Based Search Filtering
Enabled location-aware filtering to ensure region-relevant content for global users
Performance Optimization
Refactored legacy code and optimized database queries to improve API response time and stability
Scalability and Maintainability Achieved
New architecture supports high traffic, future-proof growth, and easier ongoing maintenance
Enhanced User Experience
Faster, localized, and more accurate search functionality contributed to greater user satisfaction and engagement
Business Impact
Improved Content Discovery
Amazon CloudSearch integration drastically improved search speed and relevance, allowing users to find content more quickly and intuitively
Enhanced User Experience
Faster and more accurate search results, along with country-based filtering, led to a more personalized and satisfying experience for global users
Reduced Search & API Response Times
Optimized API structure and query efficiency brought measurable improvements in response times, enhancing performance at scale
Modernized Technology Stack
Migrating to Symfony enabled a more maintainable and scalable backend architecture, reducing technical debt and streamlining future development
Scalable & Future-Proof System
The upgraded system infrastructure now efficiently handles up to 150,000 concurrent users and is prepared for future feature expansion
Testimonials
"Our work on the DCW project was instrumental in modernizing the content delivery infrastructure. Migrating to Symfony resulted in a significantly more stable and maintainable API environment, while the integration of Amazon CloudSearch transformed the way users discover content. Search performance is now incredibly fast and accurate, and country-based filtering has made a major difference for our global audience. This project not only elevated the technical architecture but also greatly enhanced the user experience - we're proud of what we achieved."