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[root@a02]$show dbs;
changhong_tv_cms 0.078GB [root@a02]$ mongodump -d changhong_tv_cms -o /temp/db_mongo.20140521.mongo /workspace/db_baks$ scp -r -P 22022 root@10.xxx.xx.xx:/temp/db_mongo_changhong.20140521.mongo . /workspace/db_baks$ mongorestore --directoryperdb db_mongo_changhong.20140521.mongo
$ mongodump --help
options:
--help produce help message
-v [ --verbose ] be more verbose
(include multiple times for more
verbosity e.g. -vvvvv)
--version print
the program‘s version and exit
-h [ --host ] arg mongo host to connect to (
<set name>/s1,s2 for
sets)
--port arg server port. Can also use
--host hostname:port
--ipv6 enable IPv6 support (disabled by default)
-u [
--username ] arg username
-p [ --password ] arg password
--dbpath arg
directly access mongod database files in the given
path, instead of
connecting to a mongod server -
needs to lock the data directory, so cannot
be used
if a mongod is currently accessing the same path
--directoryperdb
if dbpath specified, each db is in a separate
directory
--journal enable
journaling
-d [ --db ] arg database to use
-c [ --collection ] arg
collection to use (some commands)
-o [ --out ] arg (=dump) output directory
or "-" for stdout
-q [ --query ] arg json query
--oplog Use oplog for
point-in-time snapshotting
--repair try to recover a crashed
database
--forceTableScan force a table scan (do not use $snapshot)
-h 导出源
-d 要导出的数据库名称
-o 数据库要导出的位置
原文地址:http://www.cnblogs.com/iwangzheng/p/3747109.html