35 lines
748 B
Markdown
35 lines
748 B
Markdown
---
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title: Runbook — CACHE_UNAVAILABLE (캐시 연결 불가)
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category: TRANSIENT_DEPENDENCY
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error_codes: [CACHE_UNAVAILABLE]
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severity: P1
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owner: oncall
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last_updated: 2026-06-15
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status: stub
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---
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# Runbook: CACHE_UNAVAILABLE (`runbook://cache/unavailable`)
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## Symptoms
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- HTTP 503 with `error.code=CACHE_UNAVAILABLE`
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- Redis connection errors in logs
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## Diagnosis
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- Check Redis cluster health
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- Verify network connectivity from app to Redis
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## Action
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- Check Redis sentinel/cluster status
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- Enable cache degradation path if configured for optional caches
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## Escalation
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- P1 if required cache is down and no degradation path exists
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---
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> **Stub**: Phase D2 — author body after domain adoption. (feature-operational-runbook-contract D9)
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