Episode Details

This story was originally published on HackerNoon at: https://hackernoon.com/how-moengage-achieved-millisecond-personalization-with-scylladb.
MoEngage built a ScyllaDB-powered Eventstore handling 250K writes per second, 200TB+ of data, and millisecond queries for real-time personalization.
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MoEngage rebuilt its real-time data infrastructure to support instant personalization, segmentation, and customer engagement. Its ScyllaDB-powered Eventstore processes more than 250,000 writes per second with 1ms average latency while managing over 200TB of data. The architecture enables real-time triggers, live activity feeds, and low-latency user timelines, replacing limitations of batch analytics and search-based systems.