Coding - Dynamic Blacklist Filter System (OOD) - Snowflake Interview Question | DarkInterview

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Dynamic Blacklist Filter System (OOD)

CodingPhoneSoftware EngineerReported Jun, 2026New

Problem Overview

Design a small filter system that receives two event streams:

Filter updates: dynamically add or remove values from a blacklist.
Input values: values observed in the input stream.

The...

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