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When the human is the Workflow: Durable Execution in harsh physical field operations
Xgrid rebuilt a construction field operations platform — covering crew clock-in/clock-out, daily work reporting, and document signing — on Temporal's durable execution model. The post details nine concrete engineering decisions: one Temporal Workflow per shift with a deterministic ID for idempotency, BLE beacons replacing GPS for underground location accuracy, Signal-With-Start for offline resilience, an in-workflow request queue for ordering and deduplication, Update validators for compliance-as-code, classified retry policies for transient vs. permanent failures, device-captured timestamps as the legal record, AES-256-GCM client-side encryption for data sovereignty on Temporal Cloud, and a pull-based worker model handling morning clock-in spikes with just 5 Kubernetes nodes. Outcomes include payroll accuracy rising from ~80–85% to above 99%, tool losses dropping to near zero from $50K+ per site, audit prep going from weeks to on-demand export, and time-to-diagnosis on field issues shrinking from hours to minutes.
Nguồn: https://temporal.io/blog/durable-execution-in-harsh-physical-field-operations. 8 Sync News chỉ tóm tắt và dẫn link; bản quyền nội dung thuộc tác giả và nguồn gốc.
