javascript

MongoDB aggregation exceeded memory limit

MongoDB.*Exceeded memory limit for.*\$group.*allowDiskUse

Fixes

1.Add {allowDiskUse: true} to aggregate() options
2.Add $match/$project stages early to reduce data volume
3.Use $bucketAuto or limit group cardinality for large datasets

mongodbaggregationmemory

Related Errors

javascript3 fixes

Cannot read property of undefined

Cannot read propert(y|ies) of undefined

•Add optional chaining (?.)
•Check if object exists before accessing

javascript3 fixes

Cannot read property of null

Cannot read propert(y|ies) of null

•Add null check before access
•Use optional chaining (?.)

javascript3 fixes

TypeError: X is not a function

is not a function

•Check spelling of method name
•Verify import is correct