kafka cluster_error ai_generated true

UnderReplicatedPartitions: replication factor not met

ID: kafka/stuck-replication

Also available as: JSON · Markdown
78%Fix Rate
82%Confidence
3Evidence
2023-01-01First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
3 active — — —

Root Cause

Partitions under-replicated due to slow or dead follower.

generic

Workarounds

  1. 88% success Check follower broker health and network latency
  2. 85% success Increase replica.lag.time.max.ms if followers are slow but healthy

Dead Ends

Common approaches that don't work:

  1. Reduce replication factor to match current ISR 78% fail

    Lower fault tolerance

  2. Force unclean leader election 85% fail

    Potential data loss