Architect
Jul 29, 2015 · Backend Development
Designing a Friend Status Broadcast System: From Database Queries to Asynchronous Delivery
This article outlines the step‑by‑step design of a friend‑status broadcast service, starting with simple MongoDB queries, moving to message‑driven delivery, adding asynchronous processing with a job queue, and finally handling inactive users through caching and expiration strategies.
RubyTimelineasynchronous delivery
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