二十八、MongoDB 备份数据( mongodump )
大约 2 分钟数据库非关系型数据库
MongoDB mongodump 脚本命令可以导出所有数据到指定目录中
语法
MongoDB mongodump 脚本命令语法如下:
mongodump -h dbhost -d dbname -o dbdirectory
参数说明
- -h: 需要导出 MongDB 数据所在的服务器地址
例如 127.0.0.1 ,当然也可以同时指定端口号:127.0.0.1:27017 - -d: 需要备份的数据库,例 test
- -o: 备份的数据存放位置,例如:/mnt/data/backup/mongodb/
该目录需要提前建立,在备份完成后,系统自动在 mongodb 目录下建立一个 test 目录,这个目录里面存放该数据库实例的备份数据
mongodump 命令可选参数
1、 mongodump–hostHOST_NAME–portPORT_NUMBER;
该命令将备份所有 MongoDB 数据
mongodump --host db1.souyunku.cn --port 27017
2、 mongodump–dbpathDB_PATH–outBACKUP_DIRECTORY;
该命令备份指定的 DB\_PATH 数据库到 BACKUP\_DIRECTORY 目录
mongodump --dbpath /data/db/ --out /data/backup/
3、 mongodump–collectionCOLLECTION–dbDB_NAME;
该命令将备份指定数据库 DB\_NAME 的 COLLECTION 集合
mongodump --collection lession --db test
范例
1、 首先使用–port27017启动MongoDB服务;
2、 打开命令提示符窗口,输入命令mongodump;
$ mongodump
执行以上命令后,客户端会连接到 ip 为 127.0.0.1 端口号为 27017 的 MongoDB 服务上,然后备份所有数据到 bin/dump/ 目录中
命令输出结果如下
$ mongodump
2017-10-24T07:11:25.229+0800 writing admin.system.indexes to
2017-10-24T07:11:25.236+0800 done dumping admin.system.indexes (3 documents)
2017-10-24T07:11:25.236+0800 writing admin.system.users to
2017-10-24T07:11:25.242+0800 done dumping admin.system.users (1 document)
2017-10-24T07:11:25.242+0800 writing admin.system.version to
2017-10-24T07:11:25.244+0800 done dumping admin.system.version (1 document)
2017-10-24T07:11:25.244+0800 writing nodebb.objects to
2017-10-24T07:11:25.244+0800 writing shandai.s_order_log to
2017-10-24T07:11:25.244+0800 writing rbtj.rb_visit_log to
2017-10-24T07:11:25.244+0800 writing gridfs.fs.chunks to
2017-10-24T07:11:25.251+0800 done dumping rbtj.rb_visit_log (92 documents)
2017-10-24T07:11:25.251+0800 writing log.pushlog to
2017-10-24T07:11:25.251+0800 done dumping shandai.s_order_log (105 documents)
2017-10-24T07:11:25.251+0800 writing test.lession to
2017-10-24T07:11:25.252+0800 done dumping test.lession (3 documents)
2017-10-24T07:11:25.252+0800 writing souyunku.language to
2017-10-24T07:11:25.253+0800 done dumping log.pushlog (8 documents)
2017-10-24T07:11:25.253+0800 writing souyunku.col to
2017-10-24T07:11:25.255+0800 done dumping nodebb.objects (327 documents)
2017-10-24T07:11:25.255+0800 writing souyunku.products to
2017-10-24T07:11:25.255+0800 done dumping souyunku.language (2 documents)
2017-10-24T07:11:25.255+0800 writing gridfs.fs.files to
2017-10-24T07:11:25.257+0800 done dumping souyunku.col (1 document)
2017-10-24T07:11:25.257+0800 writing test.col to
2017-10-24T07:11:25.257+0800 done dumping souyunku.products (1 document)
2017-10-24T07:11:25.257+0800 writing souyunku.counters to
2017-10-24T07:11:25.258+0800 done dumping gridfs.fs.files (1 document)
2017-10-24T07:11:25.258+0800 writing souyunku.mycapped_log to
2017-10-24T07:11:25.259+0800 done dumping souyunku.counters (1 document)
2017-10-24T07:11:25.259+0800 writing rrs_result.content to
2017-10-24T07:11:25.259+0800 done dumping test.col (1 document)
2017-10-24T07:11:25.259+0800 writing nodebb.sessions to
2017-10-24T07:11:25.260+0800 done dumping souyunku.mycapped_log (0 documents)
2017-10-24T07:11:25.260+0800 writing souyunku.lession to
2017-10-24T07:11:25.260+0800 done dumping rrs_result.content (0 documents)
2017-10-24T07:11:25.261+0800 done dumping nodebb.sessions (0 documents)
2017-10-24T07:11:25.261+0800 done dumping souyunku.lession (0 documents)
2017-10-24T07:11:25.312+0800 done dumping gridfs.fs.chunks (19 documents)