Common Root Causes of Production Down‑Time and How Senior Engineers Resolve Them

by

Summary

Root Cause

Why This Happens in Real Systems

Real-World Impact

Example or Code (if necessary and relevant)

How Senior Engineers Fix It

Why Juniors Miss It

Critical Rules

  • Use bold for key takeaways and concepts
  • Use bullet lists to explain causes and impacts
  • Markdown only (no HTML)
  • Headings (##, ###) MUST NOT appear inside code blocks
  • Fenced code blocks MUST contain ONLY executable code
  • Code blocks MUST NOT contain explanations

All explanations MUST remain outside code blocks.

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