Design Search Autocomplete System
Design Search Autocomplete System
MediumSystem Design0% accepted
Naukri search box shows top-5 job title suggestions as user types. Design an autocomplete system handling 10M DAU with <100ms p99 latency.
Approach
Design real-time search autocomplete with low latency.
Input
User types python prefix
Output
Trie traversal O(L) where L=prefix length; return cached top-5 at that node
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