Ignition: Flashing 2,300 conference badges with Temporal

In preparation for a conference, a team at Temporal undertook the massive task of flashing firmware onto 2,300 badges using a system named Ignition, which was powered by Temporal's framework. The process involved utilizing lazy Susans as makeshift carriers for USB hubs, allowing for efficient loading and rotation of badges. Each badge was flashed using Ignition, which coordinated retries, logged processes, and validated successful firmware installation. The project required managing USB enumeration challenges and ensuring the correct firmware booting process, all within a tight deadline dictated by the conference schedule. The team operated six stations with independent Temporal servers to avoid central failures and relied on a coordinated assembly line effort involving over 70 coworkers. This approach enabled them to manage the complex logistics of the hardware assembly and flashing process without a centralized dependency, highlighting the significance of Temporal's workflow management in transforming what could have been an overwhelming task into a successful and collaborative operation.

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