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Library/Kiến trúc & Database/System Design
Advanced Pro#system-design

Thiết kế hệ thống Search Autocomplete: Tối ưu latency và ranking thế nào?

February 15, 2026

Quick summary

A Search Autocomplete system achieves <50ms latency by using a Trie structure that pre-stores Top-K results at each node (trading memory for speed), combined with separating Read (In-memory/Cache) and Write (Offline Aggregation) paths.

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