root-cause-analysis
Root Cause Analysis
Symptom → hypothesis formation → evidence gathering → elimination → root cause → verified fix.
<when_to_use>
- Diagnosing system failures or unexpected behavior
- Investigating incidents or outages
- Finding the actual cause vs surface symptoms
- Preventing recurrence through understanding
- Any situation where "why did this happen?" needs answering
NOT for: known issues with documented fixes, simple configuration errors, guessing without evidence
</when_to_use>
<discovery_phase>
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