Definition
Compatibility
This method is available in deployments hosted in the following environments:
- MongoDB Atlas: The fully managed service for MongoDB deployments in the cloud 
Important
This command is not supported in M0 and Flex clusters. For more information, see Unsupported Commands.
- MongoDB Enterprise: The subscription-based, self-managed version of MongoDB 
- MongoDB Community: The source-available, free-to-use, and self-managed version of MongoDB 
Syntax
sh.abortUnshardCollection( "<database>.<collection>" ) 
Parameters
| Field | Type | Necessity | Description | 
|---|---|---|---|
| 
 | string | Required | Specifies the database and collection to stop unsharding. | 
Examples
The following example stops the in-progress unsharding operation of the
sales.us_accounts collection.
sh.abortUnshardCollection( "sales.us_accounts" )