redis performance_error ai_generated true

Warning: large key detected exceeding threshold

ID: redis/bigkey-warning

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

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
7 active — — —

Root Cause

Single key contains too much data causing latency.

generic

Workarounds

  1. 90% success Use UNLINK (async delete) instead of DEL for big keys
  2. 88% success Break big key into smaller keys with hash tags or namespacing

Dead Ends

Common approaches that don't work:

  1. Increase maxmemory to accommodate 72% fail

    Delays problem

  2. Delete big key directly 78% fail

    Blocks Redis during delete