Introduction
The sudden 30% increase in failed transactions on Groww's stock trading platform during peak hours is a critical issue that demands immediate attention. This analysis will systematically identify, validate, and address the root cause while considering both short-term fixes and long-term strategic implications.
I'll approach this problem by first clarifying key details, ruling out external factors, and then diving deep into the product ecosystem, user journey, and relevant metrics. From there, I'll generate data-driven hypotheses, conduct root cause analysis, and propose a comprehensive validation and resolution plan.
Framework overview
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, a new feature was deployed last week. Impact on approach: If true, I'd focus on regression testing and rollback options.
Why it matters: Understanding load patterns is crucial for capacity planning. Expected answer: Peak hours are 9:30 AM to 11:30 AM, with 5x normal volume. Impact on approach: High load during specific times would lead me to investigate scalability solutions.
Why it matters: Error patterns can quickly narrow down potential causes. Expected answer: Most failures show a "timeout" error. Impact on approach: Timeout errors would direct my focus to backend processing capacity or database query optimization.
Why it matters: Segmented issues can indicate problems with specific features or user flows. Expected answer: Premium users seem less affected than standard users. Impact on approach: Differences between user segments would lead me to investigate feature-specific issues or capacity allocation.
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