What does Atlan crawl from MongoDB?

Atlan crawls and maps the following assets and properties from MongoDB.

Once you have crawled MongoDB, you can use connector-specific filters for quick asset discovery. The following filter is currently supported for MongoDB collections:

  • Collection type filter — filtering options include Time Series, Capped, and Clustered collection types


Atlan maps databases from MongoDB to its Database asset type.

Source property Atlan property
TABLE_COUNT mongoDBDatabaseCollectionCount


Atlan maps collections from MongoDB to its Collection asset type.

Source property Atlan property
TABLE_CAT databaseName
COLUMN_COUNT columnCount
collStats.storageSize sizeBytes
collStats.count rowCount
type mongoDBCollectionSubtype
schema mongoDBCollectionSchemaDefinition
collStats.capped mongoDBCollectionIsCapped
collStats.maxSize mongoDBCollectionMaxSize
collStats.max mongoDBCollectionMaximumDocumentCount
options.timeseries.timeField mongoDBCollectionTimeField
options.timeseries.granularity mongoDBCollectionTimeGranularity
options.expireAfterSeconds mongoDBCollectionExpireAfterSeconds
collStats.numOrphanDocs mongoDBCollectionNumOrphanDocs
collStats.nindexes mongoDBCollectionNumIndexes
collStats.totalIndexSize mongoDBCollectionTotalIndexSize
collStats.avgObjSize mongoDBCollectionAverageObjectSize

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