Answer-first summary for fast verification
Answer: Implement measures to reduce the current impact on users.
The correct course of action is to first mitigate the impact on users, as this addresses the immediate issue. Options A, C, and D, while important, are steps that should be taken after ensuring the service is stable and fully restored. Mitigation is prioritized to minimize user disruption as quickly as possible. Reference: https://sre.google/workbook/incident-response/ (Case Study 2).
Author: LeetQuiz Editorial Team
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As a member of an on-call Site Reliability Engineering team overseeing a web application in production, you encounter a scenario where users from a specific region are reporting errors and failed requests following a recent update. The team has declared an incident and identified the regional impact. What is the most appropriate immediate action to take?
A
Conduct a root-cause analysis to prevent future occurrences.
B
Implement measures to reduce the current impact on users.
C
Revert the application to its previous version.
D
Address the root cause and document the incident in a post-mortem.