MongoDB Finishing notes のdump & Restore

Backup

[Email protected] bin]#/mongodump-127.0.0.1 database:my_mongodb to     dump/My_ MongoDB          my_mongodb.system.indexes to dump/my_mongodb/system.indexes.bson                  1 objects          my_mongodb.user to dump/my_mongodb/user.bson                  267648  -rwxr-xr-x 1 root Root 7508756 2011-04-06 bsondump drwxr-xr-x 3 root root    4096 04-10 23:54

View Code

At this point, a dump directory is created in the current directory to hold the backed up files and, of course, to specify the directory where the backup resides.

[Email protected] bin]#/mongodump-d my_mongodb-127.0.0.1 database:my_mongodb to     my_ Mongodb_dump/my_mongodb         my_mongodb.system.indexes  to  my_mongodb_dump/my_mongodb/  System.indexes.bson                  1 objects          my_mongodb.user to My_mongodb_dump/my_mongodb/  User.bson           2

View Code

In this example, the backup file exists in the My_mongodb_dump directory under the current directory

Recovery

Since the backup has just been done, let's first talk about the library My_mongodb deleted

> Use my_mongodb  >"Dropped": "My_mongodb", "OK": 1> Show dbs  admin   (empty) Local   (empty) test    >   

View Code

Next, we perform data recovery

[Email protected] bin]#/mongorestore-d my_mongodb my_mongodb_dump/  127.0.0.1 one 00:03:03 my_ mongodb_dump/my_mongodb/00:03:03      00:03:03      2 objects  found11 00:03:03 my_mongodb_dump/my_mongodb/00:03:03      00:03:03 {name: "_id_", ns: "My_mongodb.user", key : {_id:1}, v:000:03:03      1 objects found [[email protected] bin]#

View Code

After the validation of the database back, in fact, to restore the database, it is not necessary to delete the My_mongodb library, as long as the description of the-drop parameter, you can restore the table and then insert data into the table.

MongoDB Finishing notes のdump & Restore