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HomeDatabaseMysql TutorialMongoDB:mongodb的备份和恢复

mongodb的备份和恢复在mongodb中有3种方式。1、直接copy。2、mongodump和mongorestore。3、主从复制 1、直接copy 直接copy算是最简单的了,有一点要注意的是,copy的时候最好是关闭服务器,这样才能保证数据的完整性。也不是说不关闭服务器的时候不能copy,

mongodb的备份和恢复在mongodb中有3种方式。1、直接copy。2、mongodump和mongorestore。3、主从复制

1、直接copy

直接copy算是最简单的了,有一点要注意的是,copy的时候最好是关闭服务器,这样才能保证数据的完整性。也不是说不关闭服务器的时候不能copy,但是这样有可能导致数据丢失等问题。copy完后重启服务就行了。

2、mongodump和mongorestore

mongodump和mongorestore是mongoodb为我们提供的内置工具,能保证在不关闭服务器的情况下完成数据的导出和导入操作。

(1)mongodump

mongodump -d admin -o F:\mongodb

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我们将导出的数据放在admin目录下。

参数解释:

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参数说明:

-h:指明数据库宿主机的IP

-u:指明数据库的用户名

-p:指明数据库的密码

-d:指明数据库的名字

-c:指明collection的名字

-o:指明到要导出的文件名

-q:指明导出数据的过滤条件

(2)mongorestore 数据恢复
mongorestore -d admin --dorp F:\mongodb\admin
提一点的就是 drop选项,这里是说我将test数据恢复之前先删除原有数据库里面的数据。

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(3)、主从复制

主从复制前面咱们已经讲过啦,具体请参考我这文章:mongodb的主从复制(一)http://blog.csdn.net/jessonlv/article/details/17587723

mongodb的主从复制(二) 副本集 http://blog.csdn.net/jessonlv/article/details/17709339

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