kafka replication_error ai_generated true

MirrorMaker: replication lag exceeds threshold

ID: kafka/mirror-maker-lag

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

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
3 active — — —

Root Cause

MirrorMaker 2 cross-cluster replication falling behind.

generic

Workarounds

  1. 88% success Increase tasks.max and tune producer/consumer configs
  2. 85% success Monitor replication lag metrics: mm2-*.replication-latency

Dead Ends

Common approaches that don't work:

  1. Increase MirrorMaker tasks without checking resources 78% fail

    OOM on worker

  2. Skip messages to catch up 82% fail

    Data loss in target cluster