What factors are causing the increased error rates for Sauce Connect Proxy users in the last two weeks?

Introduction

The increased error rates for Sauce Connect Proxy users over the past two weeks present a critical issue that demands immediate attention. As we delve into this product root cause analysis, we'll systematically investigate potential factors contributing to this performance degradation. Our approach will encompass a comprehensive examination of technical, user behavior, and external influences to pinpoint the underlying cause and develop effective solutions.

Step 1

Clarifying Questions (3 minute)

• Looking at the timing, I'm thinking there might be a recent change in our infrastructure. Have there been any deployments or updates to Sauce Connect Proxy in the last month?

Why it matters: Recent changes often correlate with performance issues. Expected answer: Yes, there was a minor update two weeks ago. Impact on approach: If confirmed, we'd prioritize investigating that update.

• Considering user segments, I'm wondering if this is affecting all users equally. Are we seeing higher error rates across all customer types, or is it concentrated in specific segments?

Why it matters: Helps narrow down potential causes and affected users. Expected answer: Enterprise customers are experiencing higher error rates. Impact on approach: We'd focus on enterprise-specific configurations or usage patterns.

• Given the nature of proxy services, I'm curious about network changes. Have there been any significant changes in our network infrastructure or with major ISPs recently?

Why it matters: Network issues can significantly impact proxy performance. Expected answer: No major changes reported, but we haven't thoroughly checked. Impact on approach: We'd include a network analysis in our investigation.

• Thinking about potential external factors, has there been any unusual spike in usage or traffic patterns in the last two weeks?

Why it matters: Unexpected load can strain systems and increase error rates. Expected answer: There's been a 20% increase in overall traffic. Impact on approach: We'd investigate our system's scalability and load handling.