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Monster Scale Summit

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Extreme scale engineering

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Efficient Deduplication in RecSys at Scale: How We Managed to Reduce Server Cost by 90%

Andrei ManakovAshish Mishra23 minutes
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In This NoSQL Presentation

Efficient deduplication is key to delivering relevant recommendations at scale. Andrei shares how they optimized for 300M+ users, cutting costs by 90% while reducing latency. He covers how ScyllaDB, Apache Flink, Redpanda & Google Dataflow powered this evolution.

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Monster Scale Summit 2025

Ashish Mishra, Software Engineer, ShareChat

Ashish Mishra is a Software Engineer at ShareChat, building reliable and cost-effective systems for 30 M daily active users. Besides work, you can catch him playing cricket or writing poems—because why not mix tech and creativity?

Andrei Manakov, Senior Staff Software Engineer, ShareChat

Andrei has over 12 years of experience as a Software Engineer in building high-load distributed systems. Currently, he is developing cutting-edge ML infrastructure.

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