MongoDB - Create a backup
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MongoDB Data Dump
To back up a database in MongoDB, you must use the mongodump command . This command will dump all your server data into the dump directory. There are many options available through which you can limit the amount of data or back up your remote server.
Syntax
The basic syntax of the mongodump command is as follows:
>mongodump
example
Start your Mongod server. Assuming your mongod server is running on localhost and port 27017, open a command prompt and navigate to the bin directory of your mongodb instance and issue the mongodump command
Consider the collection mycol to have the following data.
> mongodump
The command will connect to the server at 127.0.0.1 and port 27017 and dump all server data into the /bin/dump/ directory . Following is the output of the command −
The following is a list of available options that can be used with the mongodump command .
| Syntax | Description | example |
|---|---|---|
| mongodump --host HOST_NAME --port PORT_NUMBER | This command will back up all databases of the specified mongod instance. | mongodump --host tutorialspoint.com --port 27017 |
| mongodump --dbpath DB_PATH --out BACKUP_DIRECTORY | This command will only backup the specified database to the specified path. | mongodump --dbpath/data/db/ --out/data/backup/ |
| mongodump - COLLECTION - DB_NAME | This command will only back up the specified collection of the specified database. | mongodump --collection mycol --db test |
Restore data
The MongoDB mongorestore command is used to restore backup data . This command restores all data from the backup directory.
Syntax
The basic syntax of mongorestore command is −
>mongorestore
Following is the output of the command −
