← Saturday, October 3, 2026ArchitectureDeep dive
Recurring network maintenance exposed six Kafka infrastructure bugs
Network partitions lasting 15 to 25 minutes caused Kafka processes to segfault, leak hundreds of thousands of sockets, or crash amid surges of half a million TCP connections. The failures offer concrete lessons for testing reconnect behavior and resilience under recurring network disruptions.
- What
- Weekend network maintenance disconnects a cabinet for 15–25 minutes, testing Kafka infrastructure’s partition resilience.
- How
- During several months, processes segfaulted, leaked hundreds of thousands of sockets, or crashed amid half a million TCP connections.
- Why it matters
- The failures show that reconnect behavior under partitions can trigger severe process and connection failures in production infrastructure.
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