Incident Library

Symptom

Unnecessary failover

불필요한 페일오버 · unnecessary-failover

1 case · 2019

Root cause Capacity exhaustion

Component Database failover manager Shared network filesystem

Contributing factor Unreviewed defaults

Organisation LINE

Cases

IL-0457 The HA HDFS NameNode of a log-collection Hadoop cluster failed over around 09:00 after its ZKFC health check timed outLINE · 2019
Root cause Capacity exhaustion

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