Apply this guide to your situation
This answer covers “[AI-014] RAG retrieves duplicate chunks or conflicting answers”. Read it with the summary and confirm that the symptom and service match what you are experiencing. Available options can vary by plan and account setup.
- Before changing anything, note what you expected, what happened and roughly when. Check whether the issue affects one page or the whole service.
- Save the full error message and note recent changes. Hide passwords, access codes, personal data and keys before sharing screenshots or logs.
- If a step requires administrator access, restarting services or editing server files, stop if you do not administer that server. Send support the service name, error and checks you have already made.
L3 technical diagnosis
User symptoms
The answer repeats paragraphs, mixes old versions or cites documents that no longer apply.
Observed code or message
Low retrieval precision; repeated sources or conflicting dates/versionsLikely root cause
Ingestion may process duplicates, document IDs may be unstable, chunk boundaries may split context or metadata may not filter language/version/permissions.
Likely-cause and resolution matrix
Follow a branch only when evidence supports it. A symptom may have more than one cause; do not change layers by guesswork.
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Prerequisites
- Authorised access to the involved runtime, provider or automation.
- A test environment and synthetic data; never use customer prompts for diagnostics.
- A technical owner who can approve network, secret, GPU or resource changes.
Important warnings
- Do not expose local inference endpoints or webhooks without appropriate authentication, TLS and limits. Never put API keys, private prompts or personal data in commands, screenshots or logs.
- Commands are diagnostic references. Production changes, Docker/firewall rules and credential rotation require service-owner authorisation.
Step-by-step walkthrough
1. Confirm the symptom and scope
sha256sum ./docs/*.md | sort | uniq -w64 -D
# Run against a test corpus; validate permissions before exporting documents.Low retrieval precision; repeated sources or conflicting dates/versions
2. Correct the responsible component
3. Verify and close exposure
The check confirms the expected result without exposing services or data.
Troubleshooting & Solutions
Low retrieval precision; repeated sources or conflicting dates/versions
Root cause: Ingestion may process duplicates, document IDs may be unstable, chunk boundaries may split context or metadata may not filter language/version/permissions.
Resolution: Normalise and deduplicate ingestion, version source and chunker, retain heading/path metadata and filter by tenant, locale and validity before top-k. Reindex into a new collection and switch the alias after reviewing samples.
Rollback and recovery plan
Restore the last approved configuration, stop the affected workflow and revoke any exposed credential. If real data was processed through an unauthorised path, retain minimal redacted records and follow the internal incident-response process.
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