Match Registered Word Queries Against a Log Stream

Company: Datadog

Role: Software Engineer

Category: Coding & Algorithms

Difficulty: medium

Interview Round: Technical Screen

Overview: Process an ordered stream that registers word queries and reports which prior queries fully match each log message. The specification fixes query IDs, acknowledgement formatting, case folding, token boundaries, repeated-word multiplicity, exact-word behavior, and deterministic match ordering for console handoff.

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