How do you backup data from MongoDB?

Asked By: Pascasia Ulivarri | Last Updated: 18th May, 2020
Category: technology and computing data storage and warehousing
4.1/5 (115 Views . 20 Votes)
To create backup of database in MongoDB, you should use mongodump command. This command will dump the entire data of your server into the dump directory. There are many options available by which you can limit the amount of data or create backup of your remote server.

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Also question is, how do I restore a collection in MongoDB?

Steps to restore specific collection in the mongodb. 1) Go to the directory where your dump folder exists. 2) Execute following command by modifying according to your db name and your collection name. dump/ is the folder with your mongodump data, test is the db, and purchaseorders is the collection.

Beside above, how take MongoDB dump Ubuntu? To create a backup, you can use a command-line utility called mongodump . By default, mongodump will create a backup of all the databases present in a MongoDB instance. To create a backup of a specific database, you must use the -d option and specify the name of the database.

Besides, where is Mongodump stored?

By default, mongodump saves output files in a directory named dump in the current working directory. To send the database dump to standard output, specify “ - ” instead of a path. Write to standard output if you want process the output before saving it, such as to use gzip to compress the dump.

How copy MongoDB database to another server?

Transfer MongoDB Database Right-click your target connection in the Connection Tree and select Add Database… In the pop-up window type the name of the source database you copied from the source connection and press OK. It's important to note that both connections have to be open while copy-pasting databases.

30 Related Question Answers Found

What version of MongoDB am I running?

To check mongodb version use the mongod command with --version option. On windows you will have to use full path to the mongod.exe and mongo.exe to check mongodb version, if you have not set MongoDB Path. But if MongoDb Path is being set, you can simply use the mongod and mongo command.

Does Mongodump lock the database?

2 Answers. Mongdump does not lock the db. It means other read and write operations will continue normally. So if you want to mongodump mongorestore a db then its your responsibility to make sure that it is really a desired snapshot backup/restore.

What is Mongorestore?

The mongorestore program loads data from either a binary database dump created by mongodump or the standard input (starting in version 3.0. 0) into a mongod or mongos instance.

Which lock in MongoDB provides concurrency?

MongoDB uses multi-granularity locking [1] that allows operations to lock at the global, database or collection level, and allows for individual storage engines to implement their own concurrency control below the collection level (e.g., at the document-level in WiredTiger).

Which command line tool provides statistics per collection level?

mongotop provides statistics on a per-collection level. By default, mongotop returns values every second. Run mongotop from the system command line, not the mongo shell.

How do I load a BSON file in MongoDB?

Import BSON/mongodump to MongoDB
Open the Import Wizard. Then, select BSON – mongodump folder or BSON – mongodump archive as the import format. Regardless of the option chosen, a 'mongorestore' executable will have to be accessible for this type of import to work.

Which is the default directory used to store all data?

4 Answers. By default, MongoDB listens for connections from clients on port 27017, and stores data in the /data/db directory. If you want mongod to store data files at a path other than /data/db you can specify a dbPath .

What is Mongodump and Mongorestore?

The mongorestore utility restores a binary backup created by mongodump . By default, mongorestore looks for a database backup in the dump/ directory. The mongorestore utility restores data by connecting to a running mongod directly. For more information on collection UUIDs, see Collections.

What are the various backup approaches available in MongoDB?

Generally, there are three most common options to backup your MongoDB server/cluster.
  • Mongodump/Mongorestore.
  • MongoDB Cloud Manager.
  • Database Snapshots.

Which collections are used to store GridFS data in MongoDB?

GridFS divides a file into chunks and stores each chunk of data in a separate document, each of maximum size 255k. GridFS by default uses two collections fs. files and fs. chunks to store the file's metadata and the chunks.

Does Mongorestore overwrite?

No. From mongorestore: If you restore to an existing database, mongorestore will only insert into the existing database, and does not perform updates of any kind. If existing documents have the same value _id field in the target database and collection, mongorestore will not overwrite those documents.

Which is the method used to check whether collection is capped or not?

isCapped() command is used to check if a collection is a Capped collection or not. Advantages of Capped Collections: 1. Queries do not need an index to return documents in insertion order due to which it provide higher insertion throughput.

How do I drop a database in MongoDB?

To delete or drop a database from MongoDB, follow the below steps :
  1. Select the database you want to delete with the help of USE <database> command. Following is the syntax of USE command : use <database_name>
  2. Drop the database with the help of db. dropDatabase() command. Following is the syntax of USE command : db.

How do I export MongoDB from Robo 3t?

Format options – Choose between JSON mongo shell/Studio 3T or JSON mongoexport. Select target – Select between clipboard or file, and define the file path as needed. Other options – Choose to export with commas between documents, or export as document array.