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Load File with mongoimport

You can use mongoimport to import data from a JSON or a CSV file into MongoDB Atlas cluster.

The following tutorial uses mongoimport to load data from a JSON file to an Atlas cluster:

1

To run mongoimport to write to Atlas cluster, you must specify a database user that has readWrite privileges in the database into which to import data. For example, a user with Atlas admin role provides these privileges.

If no such user exists, create the user:

  1. In the Security section of the left navigation, click Database Access. The Database Users tab displays.
  2. Click Add New Database User.
  3. Add an Atlas admin user.
2
  1. Click Databases in the top-left corner of Atlas.
  2. From the Database Deployments view, click Connect for the Atlas cluster into which you want to migrate data.
3

If the host where you will run mongoimport is not in the IP Access List, update the list. You can specify either:

  • The public IP address of the server on which mongoimport will run, or
  • If set up for VPC peering, either the peer's VPC CIDR block (or a subnet) or the peer VPC's Security Group, if you chose AWS as your cloud provider.
4

You can connect to your Atlas cluster using its connection string URI. In the connect dialog perform the following steps:

  1. Click Connect Your Application.
  2. Copy the connection string found in step 1.
  3. Replace PASSWORD with the password for the root user, and DATABASE with the name of the database to which you wish to connect.

    Important

    You must escape any instances of the @ character in the provided <PASSWORD>. For example, p@ssword should be p%40ssword.

This connection string is specified to mongoimport in the --uri option.

When using --host, if the Atlas cluster is a replica set you must also retrieve the replica set name. For example:

myAtlasRS/atlas-host1:27017,atlas-host2:27017,atlas-host3:27017
5

The following example imports data from the file /somedir/myFileToImport.json into collection myData in the testdb database. The operation includes the --drop option to drop the collection first if the collection exists.

Using --uri:

mongoimport --uri "mongodb://root:<PASSWORD>@atlas-host1:27017,atlas-host2:27017,atlas-host3:27017/<DATABASE>?ssl=true&replicaSet=myAtlasRS&authSource=admin" --collection myData --drop --file /somedir/myFileToImport.json

Using --host:

mongoimport --host myAtlasRS/atlas-host1:27017,atlas-host2:27017,atlas-host3:27017 --ssl -u myAtlasAdminUser -p 'myAtlasPassword' --authenticationDatabase admin --db testdb --collection myData --drop --file /somedir/myFileToImport.json

Add/edit the mongoimport command line options as appropriate for your deployment. See mongoimport for more mongoimport options.

For more information on mongoimport, including behavior, options, and examples, see the mongoimport reference page.

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