Illustrative scenarioDate not recordedIllustrative scenario

Database Auto-Vacuum Starvation Transaction ID Wraparound

Aggressive long-running analytics queries blocked auto-vacuum; reached 2-billion transaction ID limit forcing emergency shutdown.

Illustrative scenario, not a real incident

A composite failure pattern written by CollectSEA for learning and demos. It is NOT a documented real-world incident and has no primary source.

What happened

    Contributing factors stated by the source

    • Aggressive long-running analytics queries blocked auto-vacuum; reached 2-billion transacti...

    The failure pattern

    Watch the pattern: Destructive operation without verified recovery

    Related standards

    CollectSEA's mapping through this incident's failure pattern; not an official determination by the standards bodies.

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    Security advisory2026-06-18

    Security issue reported in Enterprise

    Splunk Enterprise contains a missing authentication for critical function vulnerability which could allow an unauthenticated user to create or truncate arbitrary files through a PostgreSQL sidecar service endpoint.

    Destructive operation without verified recoveryadvisory.splunk.com