The maximum number of documents to scan for the columns available in the bucket. Applies to Automatic Schema Discovery when TypeDetectionScheme is set to INFER.
The maximum number of documents to scan for the columns available in the bucket. The Infer command will return column metadata by scanning a random sample of documents of the size specified here.
Setting a high value may decrease performance. Setting a low value may prevent the column and data type from being determined properly, especially when there is null data.