ECO-DAT-DATA-001 — Duplicate stored data

• Category: Data (DAT)
• Family: Data (DATA)
• Layer: Data
• Tier: 3
• Severity: warning
• Tags: storage, duplication
• Legacy ID: ECO-DATA-001

Summary

Redundant data increases storage footprint and cost.

Rationale

Duplication silently accumulates and multiplies downstream processing.

Impact

{
  "confidence": 0.6,
  "notes": "Often found in pipelines and analytics copies.",
  "type": "storage"
}

Detection

{
  "languages": [
    "database",
    "infra"
  ],
  "method": "query"
}

Remediation

{
  "guidance": "Deduplicate; normalize; define canonical sources.",
  "tradeoffs": "Migration effort."
}

Ontology

{
  "system_layers": [
    "data"
  ]
}