# How MoEngage Achieved Millisecond Personalization with ScyllaDB

Page: https://stenobird.com/podcast/tech-stories-tech-brief-by-hackernoon-6365648/how-moengage-achieved-millisecond-personalization-with-scylladb
Text version: https://stenobird.com/podcast/tech-stories-tech-brief-by-hackernoon-6365648/how-moengage-achieved-millisecond-personalization-with-scylladb.md
Podcast: [Tech Stories Tech Brief By HackerNoon](https://stenobird.com/podcast/tech-stories-tech-brief-by-hackernoon-6365648)
Published: 2026-06-09T16:00:33+00:00
Episode link: https://share.transistor.fm/s/793fd2d1
Audio file: https://media.transistor.fm/793fd2d1/12248640.mp3
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JSON: https://stenobird.com/v1/public/podcasts/tech-stories-tech-brief-by-hackernoon-6365648/episodes/how-moengage-achieved-millisecond-personalization-with-scylladb
Duration seconds: 1326

## Resource

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. Check more stories related to tech-stories at: https://hackernoon.com/c/tech-stories . You can also check exclusive content about #real-time-event-processing , #moengage-eventstore , #customer-engagement-platform , #real-time-user-segmentation , #multi-tenant-architecture , #low-latency-event-storage , #large-scale-customer-data , #good-company , and more. This story was written by: @scylladb . Learn more about this writer by checking @scylladb's about page, and for more stories, please visit hackernoon.com . 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.

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