ERDOWN redis replication_error ai_generated true

MASTERDOWN Link with MASTER is down, replica-serve-stale-data enabled

ID: redis/replication-lag

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

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
7 active

Root Cause

Replica falling behind master or lost connection.

generic

Workarounds

  1. 88% success Check network between master and replica
  2. 85% success Tune repl-backlog-size for transient disconnections

Dead Ends

Common approaches that don't work:

  1. Force full resync constantly 82% fail

    Huge network and CPU cost

  2. Disable replication 85% fail

    No redundancy