MongoDB Tutorial Lesson Tenth MongoDB Backup

MongoDB data dump

To create a backup database in MongoDB, you should use the Mongodump command. This command dumps all data from the server to the dump directory. There are many options available through which you can limit the amount of data or create a backup of your remote server.

Grammar:

The basic syntax for the Mongodump command is as follows

>mongodump

Example

Start the Mongod server. Assume that the mongod localhost port is 27017 running on the server. Now open a command prompt and go to the bin directory of the MongoDB instance and type the command mongodump

Consider the following data MyCol collection.

>mongodump

The command will connect to 127.0.0.1, run on port 27017 server, all server data directory/bin/dump/. The output of this command is as follows:

The Mongodump command can use a list of available options.

This command backs up only the specified database, in the specified path

Grammar	Description	Example
Mongodump--host host_name--port port_number	This command will specify the Mongod instance to back up all the databases.	Mongodump--host yiibai.com--port 27017
Mongodump--dbpath Db_path--out backup_directory		Mongodump--dbpath/data/db/--out/data/backup/
Mongodump--collection Collection--db db_name	This command backs up the specified set of databases that are uniquely specified.	Mongodump--collection mycol--db test

Recovering data

Restore the backup data using MongoDB's Mongorerstore command. This command restores all the data from the backup directory.

Grammar

Basic syntax for the Mongorestore command

>mongorestore

The output of this command is as follows:

MongoDB Tutorial Lesson Tenth MongoDB Backup