mongodb的备份与还原
2014-04-01 01:35
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用mongo自带的bin/mongodump和bin/mongorestore
备份和还原
还原
还原示例：
还原导入完成
#########################
迷途小运维随笔
作者：john
转载请注明出处
备份和还原
# /usr/local/mongodb-2.4.8-master/bin/mongodump --help Export MongoDB data to BSON files. 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 --authenticationDatabase arg user source (defaults to dbname) --authenticationMechanism arg (=MONGODB-CR) authentication mechanism --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 each db is in a separate directly (relevant only if dbpath specified) --journal enable journaling (relevant only if dbpath specified) -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)示例备份：
# /usr/local/mongodb-2.4.8-master/bin/mongodump -h 192.168.119.46 -d adx -o /home/cai/ .bash_history .bash_profile conf.txt hist start.txt xinetd.confbak .bash_logout .bashrc .gnome2/ mongodb_bak/ .viminfo [root@localhost cai]# /usr/local/mongodb-2.4.8-master/bin/mongodump -h 192.168.119.46 -d adx -o /home/cai/mongodb_bak //-h 主机 -d 数据库 -o输出的目录 connected to: 192.168.119.46 Mon Mar 31 19:40:18.944 DATABASE: adx to /home/cai/mongodb_bak/adx Mon Mar 31 19:40:18.985 adx.system.indexes to /home/cai/mongodb_bak/adx/system.indexes.bson Mon Mar 31 19:40:18.986 5 objects Mon Mar 31 19:40:18.986 adx.log.task to /home/cai/mongodb_bak/adx/log.task.bson Mon Mar 31 19:40:19.026 1981 objects Mon Mar 31 19:40:19.026 Metadata for adx.log.task to /home/cai/mongodb_bak/adx/log.task.metadata.json Mon Mar 31 19:40:19.026 adx.log.show to /home/cai/mongodb_bak/adx/log.show.bson Mon Mar 31 19:40:22.000 Collection File Writing Progress: 1198000/7085824 16% (objects) Mon Mar 31 19:40:25.033 Collection File Writing Progress: 2113400/7085824 29% (objects) Mon Mar 31 19:40:28.000 Collection File Writing Progress: 2499100/7085824 35% (objects) Mon Mar 31 19:40:31.007 Collection File Writing Progress: 2764300/7085824 39% (objects) Mon Mar 31 19:40:34.000 Collection File Writing Progress: 3033600/7085824 42% (objects) Mon Mar 31 19:40:37.000 Collection File Writing Progress: 4064900/7085824 57% (objects) Mon Mar 31 19:40:40.010 Collection File Writing Progress: 4604800/7085824 64% (objects) Mon Mar 31 19:40:43.030 Collection File Writing Progress: 4845600/7085824 68% (objects) Mon Mar 31 19:40:46.009 Collection File Writing Progress: 5129200/7085824 72% (objects) Mon Mar 31 19:40:49.000 Collection File Writing Progress: 5999700/7085824 84% (objects) Mon Mar 31 19:40:52.002 Collection File Writing Progress: 6844900/7085824 96% (objects) Mon Mar 31 19:40:53.803 7085946 objects Mon Mar 31 19:40:53.803 Metadata for adx.log.show to /home/cai/mongodb_bak/adx/log.show.metadata.json Mon Mar 31 19:40:53.804 adx.log.click to /home/cai/mongodb_bak/adx/log.click.bson Mon Mar 31 19:40:56.953 Collection File Writing Progress: 10100/41340 24% (objects) Mon Mar 31 19:40:58.545 41340 objects Mon Mar 31 19:40:58.545 Metadata for adx.log.click to /home/cai/mongodb_bak/adx/log.click.metadata.json Mon Mar 31 19:40:58.545 adx.log.data to /home/cai/mongodb_bak/adx/log.data.bson Mon Mar 31 19:41:01.000 Collection File Writing Progress: 481500/7081875 6% (objects) Mon Mar 31 19:41:04.087 Collection File Writing Progress: 812900/7081875 11% (objects) Mon Mar 31 19:41:07.045 Collection File Writing Progress: 1281500/7081875 18% (objects) Mon Mar 31 19:41:10.010 Collection File Writing Progress: 1902300/7081875 26% (objects) Mon Mar 31 19:41:13.032 Collection File Writing Progress: 3107000/7081875 43% (objects) Mon Mar 31 19:41:16.008 Collection File Writing Progress: 3803500/7081875 53% (objects) Mon Mar 31 19:41:19.000 Collection File Writing Progress: 4224600/7081875 59% (objects) Mon Mar 31 19:41:23.250 Collection File Writing Progress: 4263500/7081875 60% (objects) Mon Mar 31 19:41:26.265 Collection File Writing Progress: 4282300/7081875 60% (objects) Mon Mar 31 19:41:29.052 Collection File Writing Progress: 4675600/7081875 66% (objects) Mon Mar 31 19:41:32.164 Collection File Writing Progress: 5291800/7081875 74% (objects) Mon Mar 31 19:41:35.000 Collection File Writing Progress: 5733600/7081875 80% (objects) Mon Mar 31 19:41:37.363 7081875 objects Mon Mar 31 19:41:37.363 Metadata for adx.log.data to /home/cai/mongodb_bak/adx/log.data.metadata.json Mon Mar 31 19:41:37.364 adx.log.money_report_list to /home/cai/mongodb_bak/adx/log.money_report_list.bson Mon Mar 31 19:41:37.364 8 objects Mon Mar 31 19:41:37.364 Metadata for adx.log.money_report_list to /home/cai/mongodb_bak/adx/log.money_report_list.metadata.json # cd mongodb_bak/ #备份完的目录 mongodb_bak # ls adx mongodb_bak # cd adx/ adx # ls log.click.bson log.data.metadata.json log.show.bson log.task.metadata.json log.click.metadata.json log.money_report_list.bson log.show.metadata.json system.indexes.bson log.data.bson log.money_report_list.metadata.json log.task.bson adx # du -sh 8.3G .
还原
# /usr/local/mongodb/bin/mongorestore --help Import BSON files into MongoDB. usage: /usr/local/mongodb/bin/mongorestore [options] [directory or filename to restore from] 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 --authenticationDatabase arg user source (defaults to dbname) --authenticationMechanism arg (=MONGODB-CR) authentication mechanism --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 each db is in a separate directly (relevant only if dbpath specified) --journal enable journaling (relevant only if dbpath specified) -d [ --db ] arg database to use -c [ --collection ] arg collection to use (some commands) --objcheck validate object before inserting (default) --noobjcheck don't validate object before inserting --filter arg filter to apply before inserting --drop drop each collection before import --oplogReplay replay oplog for point-in-time restore --oplogLimit arg include oplog entries before the provided Timestamp (seconds[:ordinal]) during the oplog replay; the ordinal value is optional --keepIndexVersion don't upgrade indexes to newest version --noOptionsRestore don't restore collection options --noIndexRestore don't restore indexes --w arg (=0) minimum number of replicas per write
还原示例：
# /usr/local/mongodb/bin/mongorestore -h 192.168.10.40 -d adx --drop mongodb_bak/adx
//-h 主机名或者ip -d 还原的数据库 --drop 删除已经导入的数据集
connected to: 192.168.10.40
Mon Mar 31 23:21:43.714 mongodb_bak/adx/log.show.bson
Mon Mar 31 23:21:43.714 going into namespace [adx.log.show]
Mon Mar 31 23:21:43.714 dropping
Mon Mar 31 23:21:46.003 Progress: 47085159/5674443774 0% (bytes)
Mon Mar 31 23:21:49.001 Progress: 116730413/5674443774 2% (bytes)
Mon Mar 31 23:21:52.036 Progress: 170644327/5674443774 3% (bytes)
Mon Mar 31 23:21:55.744 Progress: 215644352/5674443774 3% (bytes）
此处略去n个字。。。
7081875 objects found
Mon Mar 31 23:30:59.311 Creating index: { key: { _id: 1 }, ns: "adx.log.data", name: "_id_" }
Mon Mar 31 23:30:59.735 mongodb_bak/adx/log.task.bson
Mon Mar 31 23:30:59.735 going into namespace [adx.log.task]
Mon Mar 31 23:30:59.735 dropping
1981 objects found
Mon Mar 31 23:30:59.841 Creating index: { key: { _id: 1 }, ns: "adx.log.task", name: "_id_" }还原导入完成
#########################
迷途小运维随笔
作者：john
转载请注明出处
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