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In the article discusses the challenges of maintaining Service Level Objectives (SLOs) in a microservices environment. The team redefined their Critical User Journeys (CUJs) and implemented end-to-end (E2E) testing to automate SLO maintenance, resulting in a 99% reduction in maintenance time and immediate impact assessment during incidents.

https://engineering.mercari.com/en/blog/entry/20241204-keeping-user-journey-slos-up-to-date-with-e2e-testing-in-a-microservices-architecture/
Mercari Keeping User Journey SLOs Up-to-Date with E2E Testing in a Microservices Architecture This post is for Day 3 of Mercari Advent Calendar 2024, brought to you by @yakenji from the Mercari Site Reliability Eng
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