How to restore the dump into your running mongodb

Question

I want to load data/restore dump data in mongoDB using mongorestore. I am trying to command

mongorestore dump

but it giving me error

Sat Sep 21 16:12:33.403 JavaScript execution failed: SyntaxError: Unexpected identifier

How can we restore or put data into mongoDB?? Please give me the steps.

Solution 1

mongodump: To dump all the records:

mongodump --db databasename

---

To limit the amount of data included in the database dump, you can specify --db and --collection as options to mongodump. For example:

mongodump --collection myCollection --db test

This operation creates a dump of the collection named myCollection from the database 'test' in a dump/ subdirectory of the current working directory. NOTE: mongodump overwrites output files if they exist in the backup data folder.

---

mongorestore: To restore all data to the original database:

1) mongorestore --verbose \path\dump

or restore to a new database:

2) mongorestore --db databasename --verbose \path\dump\<dumpfolder>

Note: Both requires mongod instances.

Solution 2

Dump DB by mongodump

mongodump --host <database-host> -d <database-name> --port <database-port> --out directory

Restore DB by mongorestore

With Index Restore

mongorestore --host <database-host> -d <database-name> --port <database-port> foldername

Without Index Restore

mongorestore --noIndexRestore --host <database-host> -d <database-name> --port <database-port> foldername

Import Single Collection from CSV [1st Column will be treat as Col/Key Name]

mongoimport --db <database-name> --port <database-port> --collection <collection-name> --type csv --headerline --file /path/to/myfile.csv

Import Single Collection from JSON

mongoimport --db <database-name> --port <database-port> --collection <collection-name> --file input.json

Solution 3

To restore a single database:

1. Backup the testdb database

   $ mongodump --db testdb
   

2. Restore the testdb database to a new database called testdb2

   $ mongorestore --db testdb2 dump/testdb
   

To restore all databases:

1. Backup all databases

   $ mongodump
   

2. Restore all databases

   $ mongorestore dump
   

Solution 4

The directory should be named 'dump' and this directory should have a directory which contains the .bson and .json files. This directory should be named as your db name.

eg: if your db name is institution then the second directory name should be institution.

After this step, go the directory enclosing the dump folder in the terminal, and run the command

mongorestore --drop.

Do see to it that mongo is up and running.

This should work fine.

Solution 5

Follow this path.

C:\Program Files\MongoDB\Server\4.2\bin

Run the cmd in bin folder and paste the below command

mongorestore --db <name-your-database-want-to-restore-as> <path-of-dumped-database>

For Example:

mongorestore --db testDb D:\Documents\Dump\myDb

View more solutions

Comments

[Benjamin]

How to pass the DB credentials when restoring?

[nicodemus13]

@Benjamin mongorestore -u <username> --authenticationDatabase "admin" --db databasename. Authentication database not necessarily 'admin', but probably. You should be asked for the password interactively (you may also need to elevate with sudo).

[whoami - fakeFaceTrueSoul]

You should be sure before you use --drop in your command cause it will drop the existing collection in the DB and recreate a new collection with the data from the dump file, technically you will loose all the current data(which is not in dump file) from DB in mongo instance..!!!

[whoami - fakeFaceTrueSoul]

You should be sure before you use --drop in your command cause it will drop the existing collection in the DB and recreate a new collection with the data from the dump file, technically you will loose all the current data(which is not in dump file) from DB in mongo instance..!!!

[Marc Maxmeister]

it should be --db or -d but not -db