Incident Library

Organisation

CDN77

CDN77 · cdn77

1 case · 2026

Root cause Capacity exhaustion
Component Coordination and key-value storeDatabaseDatabase replicationTelemetry agent
Contributing factor Unreviewed defaultsIgnored early signalMonitoring blind spot
Symptom Replication lagThroughput degradation

Cases

  1. IL-0288 ZooKeeperWait rose to thousands of seconds on three redundant ClickHouse instances, degrading a CDN77 data pipelineCDN77 · 2026

    Root cause Capacity exhaustion