mongodb disaster recovery

Tags: server database ReaderOne, the whole library backup:Mongodump-h dbhost-d Dbname-o dbdirectory-H:MONGDB the server address, for example: 127.0.0.1, you can also specify the port number: 127.0.0.1:27017-D: The database instance that needs to be backed up, for example: test-O: The data storage location of the backup, for example: C:\data\dump, of course, the directory needs to be established in advance, after the backup is completed, the system automatically establishes a test directory under

Mongoexport export JSON or CSV format Mongoimport Import JSON or CSV Mongodump Export binary Bson structure data and index information Mongorestore Importing binary files Mongoexport-h 主机--port 端口号-u 用户名-p password-d 库名-c 表名-f field1，field..... 导出的字段-q 查询条件 -o 导出文件名称--csv 等同于 --type=csv 导出csv格式。一定要指定-f 导出字段才干导出csvExample: Export the my_id mongoexport -u test -p 64823723zk -d test -c my -q {my_id:{‘$lt‘:200}} --type=csv -f _id,username,a -o my.csvMongoimport-d 导入的数据库-c 导入的表--type