Illustrative scenarioDate not recordedIllustrative scenario

Network Partition Database Failover Connection Pool Starvation

Network partition during database maintenance triggered simultaneous split-brain failovers, causing connection pool exhaustion on all API gateways.

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

    • Network partition during database maintenance triggered simultaneous split-brain failovers...

    The failure pattern

    Retry amplification and runaway resource consumptionRetries, loops or an expensive input multiply load until a partial failure becomes a full outage or a runaway bill.How to prevent it Partial success leaves systems out of syncA multi-step workflow half-completes, or events arrive out of order, and two systems now disagree about what happened.How to prevent it
    Watch the pattern: Retry amplification and runaway resource consumption

    Related standards

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

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    Incidents with the same pattern

    Security advisory2026-10-16

    Software component issue could make the service unavailable

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    Retry amplification and runaway resource consumptionnvd.nist.gov