All challenges
Code AnalysisHard 60s

Edge buffer overflow dropping IoT data

Edge gateway pseudo-code: buffer = [] while True: msg = mqtt_receive() if uplink_ok(): buffer.append(msg); flush(buffer); buffer = [] else: buffer.append(msg) # no limit During a multi-day outage devices keep publishing. What is the failure mode?

Think you can answer under pressure?

Get matched and answer live questions in 3-minute 1v1 battles. Elo ranking, badge tiers and bragging rights on the line.

Play this in a 3-minute battle