Tracking Millions of Heartbeats on ZEE’s Streaming Platform

ZEE5, India’s top OTT platform, migrated from DynamoDB, RDS, Redis, and Solr to ScyllaDB to handle 100B+ daily heartbeats. With redesigned APIs, real-time stream processing, and optimized data models, they achieved 5X cost reduction ($744K → $144K/year) and single-digit millisecond read latency, serving ~150M users while keeping infrastructure flexible, multi-cloud ready, and scalable.