kafka runtime_error ai_generated true

ConsumerRebalanceException: group is rebalancing

ID: kafka/consumer-group-rebalance

Also available as: JSON · Markdown
75%Fix Rate
80%Confidence
3Evidence
2023-01-01First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
3 active — — —

Root Cause

Consumer group rebalancing causing processing delay.

generic

Workarounds

  1. 88% success Tune max.poll.interval.ms and max.poll.records
  2. 90% success Use cooperative-sticky assignor to reduce rebalance impact 
    partition.assignment.strategy=CooperativeStickyAssignor

Dead Ends

Common approaches that don't work:

  1. Set session.timeout.ms very high 80% fail

    Delays detection of dead consumers

  2. Disable auto-commit and never commit 85% fail

    Reprocesses all messages on restart