Eugene

@eugene

Software Engineer

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Followers: 1 | Following: 0 | Posts count: 1

Joined: Nov 09, 2025

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Lead Lookup System Design (case study)

A high-scale lead management system designed to store and retrieve contact information for 200M users. The system supports lookups by phone number, email address, and SSN to resolve associated user profiles.A typical request maps a single contact identifier to exactly one user. ReplacingMergeTreeis

Jan 12, 2026 1 0 case-study oltp olap

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