Resiliency Planning for High-Traffic Events - Shopify

What this post added

This post details Shopify's approach to resiliency planning for high-traffic events. It elaborates on the use of load and stress testing to identify regressions, the creation of user-centric resiliency matrices to understand failure modes and their impact on user experience, and the execution of game days to validate these models against reality. The post also emphasizes the importance of incident analysis for continuous improvement and outlines specific strategies for BFCM, such as reducing the rate of change and increasing testing frequency. It references 'How Complex Systems Fail' as a guiding principle.