Which tool can write data from a binary database dump created by Mongodump to a MongoDB instance?

Asked By: Caron Baksheev | Last Updated: 30th March, 2020
Category: technology and computing data storage and warehousing
4.1/5 (128 Views . 25 Votes)
json file when writing to files directly. There are many options, you can have a look here. Use mongorestore to import data: The mongorestore program writes data from a binary database dump created by mongodump to a MongoDB instance.

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Just so, how do I backup a MongoDB database?

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.

Beside above, 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.

Keeping this in view, 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.

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.

33 Related Question Answers Found

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 MongoDB replica set?

A replica set in MongoDB is a group of mongod processes that maintain the same data set. Replica sets provide redundancy and high availability, and are the basis for all production deployments. This section introduces replication in MongoDB as well as the components and architecture of replica sets.

How do I copy a 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.

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.

Is MongoDB Atlas free?

We're excited to announce that teams can now use MongoDB Atlas — the global cloud database for MongoDB — for free on Microsoft Azure. The newly available free tier on Azure Cloud, known as the M0, grants users 512 MB of storage and is ideal for learning MongoDB, prototyping, and early development.

How do I create a collection in MongoDB?

MongoDB Create Collection
  1. Select a MongoDB database you like to Create a Collection within, using USE command. Following is the syntax of USE command : use <database_name>
  2. Insert a record to Collection, with Collection Name mentioned in the command as shown below db.
  3. View the existing collections using following command show collections.

What type of DBMS is MongoDB?

MongoDB is an open source database management system (DBMS) that uses a document-oriented database model which supports various forms of data.

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 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.

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 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.

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.

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.

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.

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.