Spooky Stories: Money transfers on the edge of town

This post details the migration of a financial institution's SFTP-based daily sweep process to Temporal. The original system suffered from frequent SFTP upload/download failures, SFTP server overload, and database query failures under load, impacting internal system resilience and deadline adherence. The migration to Temporal addressed these issues by leveraging its durable execution capabilities, enabling incremental rollout, and utilizing event history for error investigation. The outcome was immediate improvements in stability and resilience.