Introduction
The doubling of average response time for Equifax's Business Credit Reports over the past 30 days is a critical issue that demands immediate attention. This significant performance degradation directly impacts user experience and potentially the company's reputation in the competitive credit reporting industry. I'll approach this problem systematically, focusing on identifying the root cause, validating hypotheses, and developing both short-term fixes and long-term solutions.
This analysis follows a structured approach covering issue identification, hypothesis generation, validation, and solution development.
Step 1
Clarifying Questions (3 minutes)
Why it matters: Recent changes often correlate with performance issues. Expected answer: Yes, there was a major update. Impact on approach: If yes, we'd focus on the changes made; if no, we'd look at external factors or gradual degradation.
Why it matters: Understanding the scale helps prioritize the issue and potential solutions. Expected answer: From 2 seconds to 4 seconds. Impact on approach: Larger increases might indicate systemic issues, while smaller ones could be optimization problems.
Why it matters: Helps narrow down the problem area and potential causes. Expected answer: All business credit reports are affected. Impact on approach: If it's all reports, we'd look at shared infrastructure; if specific, we'd focus on those report types.
Why it matters: Data volume or complexity changes can significantly impact processing times. Expected answer: No significant changes in data volume or nature. Impact on approach: If yes, we'd investigate data processing pipelines; if no, we'd look more at system or code-level issues.
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