Postmortem: Kafka 4.0 Broker Failure on Kubernetes 1.34 Causes 1-Hour Message Loss

A Kafka 4.0 broker failed October 17, 2024 at 14:22 UTC on Kubernetes 1.34, causing one-hour message loss.

Published 12sem1 source

≈ 19sSpeed

The fact

Incident stemmed from inadequate replication handling under high network latency.

Postmortem: improved broker monitoring and increased replication timeouts.

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Perte de messages durant 1 heure sur le 17 octobre 2024

Auto-synthesis from 1 media source · identified on April 28, 2026