mongodb resource_error ai_generated true

MongoServerError: Sort exceeded memory limit

ID: mongodb/exceeded-memory-limit

Also available as: JSON · Markdown
82%Fix Rate
86%Confidence
3Evidence
2023-01-01First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
7 active — — —

Root Cause

Sort or aggregation exceeds 100MB memory limit.

generic

Workarounds

  1. 90% success Add allowDiskUse:true to aggregation pipeline
  2. 92% success Create index that supports the sort order 
    db.coll.createIndex({sortField:1})

Dead Ends

Common approaches that don't work:

  1. Increase internalQueryMaxBlockingSortMemoryUsageBytes to GB 82% fail

    Server OOM risk

  2. Remove sort from query 75% fail

    Wrong result ordering