The backups of cluster version instances can be downloaded based on the backup time and shard nodes.
Log on to the MongoDB console and find the target instance.
Click the instance ID to go to the Basic Information page.
Select Backup and Recovery in the left-side navigation pane, as shown in the following figure.
On the Backup List page, select a time range, shard nodes, and the backup data set you want to download, and click Download.
Note: Run the following command to import data to a user-created database after the backup file is downloaded.
cat xx.ar| mongorestore -h xxx --port xxx -u xxx -p xxx --drop --gzip --archive -vvvv --stopOnError