Uptime new device generation 20% хуже — почему

Ситуация: Smart home device, generation 3. Uptime 95% vs gen 2 = 97%. Customer complaints rising. Hardware or software?

IoT smart home devices. Uptime = % time online. Devices 100K active. New generation released 6 months ago.

Доступные данные

• device_pings: device_id, ts, status (online/offline)
• devices: id, generation, firmware_version, region
• support_tickets: device_id, ts, issue

Задачи

• Uptime decomposition: hardware (region, age) vs software (firmware).
• Pattern analysis: outage clusters.
• Root cause hypotheses.
• Action plan.

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