linux下安装MongoDB,配置主从服务
2015-08-23 18:40
597 查看
官方网站: http://www.mongodb.org/
MongoDB 安裝,主从配置
一 MongoDB 安装
点击(此处)折叠或打开[root@zabbix_server src]# wget http://fastdl.mongodb.org/linux/mongodb-linux-x86_64-2.0.0.tgz
[root@zabbix_server src]# tar xzvf mongodb-linux-x86_64-2.0.0.tgz
[root@zabbix_server src]# mv mongodb-linux-x86_64-2.0.0 /usr/local/mongodb
[root@zabbix_server src]# mkdir /usr/local/mongodb/data
[root@zabbix_server src]# touch /usr/local/mongodb/logs
[root@zabbix_server bin]# /usr/local/mongodb/bin/mongod --dbpath=/usr/local/mongodb/data --logpath=/usr/local/mongodb/logs --logappend --port=27017 --fork
[root@zabbix_server bin]# ./mongo
MongoDB shell version: 2.0.0
connecting to: test
> use test;
switched to db test
> exit
bye
[root@zabbix_server bin]# netstat -anlpt | grep mongo
tcp 0 0 0.0.0.0:27017 0.0.0.0:* LISTEN 11504/mongod
tcp 0 0 0.0.0.0:28017 0.0.0.0:* LISTEN 11504/mongod
注意:
如果报错
-bash: /usr/local/mongodb/bin/mongod: cannot execute binary file
说明你的服务器和mongodb 的版本不对应, 如果服务器是64位,下载x86_64的mongodb ,如果服务器是32位的, 下载i686的mongodb/
二 MongoDB 主从配置
1)实验环境
主:192.168.0.14
从:192.168.0.64
2)时间同步
两台机器做时间同步
[root@zabbix_server src]# ntpdate time.windows.com
3)启动服务
master:192.168.0.14
启动命令
/usr/local/mongodb/bin/mongod --master --dbpath=/usr/local/mongodb/data --logpath=/usr/local/mongodb/logs --logappend --port=27017 --fork
slave:192.168.0.64
启动命令
/usr/local/mongodb/bin/mongod --slave --source 192.168.0.14:27017 --dbpath=/usr/local/mongodb/data --logpath=/usr/local/mongodb/logs --logappend --port=27017 --fork
4)测试主从
在主上插入数据
测试1:
点击(此处)折叠或打开测试1:
1 在主库上插入数据
[root@cacti bin]# ./mongo
MongoDB shell version: 2.0.0
connecting to: test
> db.foo.save({"id":123456,"name":'lizonggang'})
> db.foo.find({"id":123456})
{ "_id" : ObjectId("51c3f4b21399022afd992f39"), "id" : 123456, "name" : "lizonggang" }
>
2 在从上查看数据(已有在主上插入的数据,说明主从成功)
[root@zabbix_server bin]# ./mongo
MongoDB shell version: 2.0.0
connecting to: test
> db.foo.find({"id":123456})
{ "_id" : ObjectId("51c3f4b21399022afd992f39"), "id" : 123456, "name" : "lizonggang" }
>
测试2:
点击(此处)折叠或打开1 在主库上插入数据
> use elaindb
switched to db elaindb
> db.test.save({title:"This is a test!"})
> db.test.find();
{ "_id" : ObjectId("51c3f8f11a90c8da157c7f64"), "title" : "This is a test!" }
>
2 在从库上验证数据
[root@zabbix_server bin]# ./mongo
MongoDB shell version: 2.0.0
connecting to: test
> use elaindb
switched to db elaindb
> db.test.find();
{ "_id" : ObjectId("51c3f8f11a90c8da157c7f64"), "title" : "This is a test!" }
> db.printReplicationInfo();
this is a slave, printing slave replication info.
source: 192.168.0.14:27017
syncedTo: Fri Jun 21 2013 14:59:10 GMT+0800 (CST)
= 9 secs ago (0hrs)
>
> db.printSlaveReplicationInfo();
source: 192.168.0.14:27017
syncedTo: Fri Jun 21 2013 14:59:30 GMT+0800 (CST)
= 16 secs ago (0hrs)
>
测试3:
点击(此处)折叠或打开在这个状态下,slave 下是不可以插入数据的
> db.test.save({title:"This is slave test!"})
not master
5) 一些查询状态的语句
1)查询库
点击(此处)折叠或打开> show dbs;
elaindb 0.0625GB
local 0.125GB
test 0.0625GB
2)在从库上查询主库的地址
点击(此处)折叠或打开> use local;
switched to db local
> db.sources.find()
{ "_id" : ObjectId("51c3f5dd568d10529950b10d"), "host" : "192.168.0.14:27017", "source" : "main", "syncedTo" : { "t" : 1371797300000, "i" : 1 } }
>
3)查看主从复制状态
点击(此处)折叠或打开> db.printReplicationInfo();
configured oplog size: 47.6837158203125MB
log length start to end: 1375secs (0.38hrs)
oplog first event time: Fri Jun 21 2013 14:30:35 GMT+0800 (CST)
oplog last event time: Fri Jun 21 2013 14:53:30 GMT+0800 (CST)
now: Fri Jun 21 2013 14:53:32 GMT+0800 (CST)
>
4)查看Collection状态
点击(此处)折叠或打开> db.printCollectionStats();
foo
{
"ns" : "test.foo",
"count" : 1,
"size" : 56,
"avgObjSize" : 56,
"storageSize" : 4096,
"numExtents" : 1,
"nindexes" : 1,
"lastExtentSize" : 4096,
"paddingFactor" : 1,
"flags" : 1,
"totalIndexSize" : 8176,
"indexSizes" : {
"_id_" : 8176
},
"ok" : 1
}
---
system.indexes
{
"ns" : "test.system.indexes",
"count" : 1,
"size" : 64,
"avgObjSize" : 64,
"storageSize" : 4096,
"numExtents" : 1,
"nindexes" : 0,
"lastExtentSize" : 4096,
"paddingFactor" : 1,
"flags" : 0,
"totalIndexSize" : 0,
"indexSizes" : {
},
"ok" : 1
}
---
>
6)应急
如果在应用中主挂掉了怎么办?
这个情况就需要,停止从库, 把从库以主库的启动命令起来就可以了。
1)停掉从库
kill -9 进程号
2)删除locat下文件
点击(此处)折叠或打开rm mongodb/db/locat.* -rf
3)启动从库
点击(此处)折叠或打开/usr/local/mongodb/bin/mongod --master --dbpath=/usr/local/mongodb/data --logpath=/usr/local/mongodb/logs --logappend --port=27017 --fork
6) Mongdb Web 查看界面
7) MongoDB 增,删,改,查
点击(此处)折叠或打开[root@cacti bin]# ./mongo
MongoDB shell version: 2.0.0
connecting to: test
> db.test.insert({ "Name" : "ymind", "age" : 8 }); #在test数据库里插入数据
>
> db.test.find({ "Name" : "ymind" } ); #查询数据
{ "_id" : ObjectId("51c4187090db4e4751a3cd05"), "Name" : "ymind", "age" : 8 }
> db.test.find({ "age" : 8} ); #查询数据
{ "_id" : ObjectId("51c4187090db4e4751a3cd05"), "Name" : "ymind", "age" : 8 }
>
>
> db.test.update({"Name" : "ymind"}, { "$set" : { "age" : "5" } } ); #修改数据
> db.test.find({ "Name" : "ymind" } );
{ "Name" : "ymind", "_id" : ObjectId("51c4187090db4e4751a3cd05"), "age" : "5" }
>
> db.test.remove({ "Name" : "ymind" } ); #删除数据
> db.test.find({ "Name" : "ymind" } );
>
>
相关文章推荐
- MongoDB的基本使用(二)
- Windows上安装使用MongoDB(一)
- mongoDB与sql语句对照表
- note.js之 Mongodb在Nodejs上的配置及session会话机制的实现
- win7 64位安装mongodb及管理工具mongoVUE1.6.9.0
- MongoDB之Replica Set+Sharding架构
- MongoDB学习六--MongoDB删除数据文档
- MongoDB
- Mongodb集群之副本集
- MongoDB 清除重复数据
- MongoDB查询简单语法
- MongoDB学习五--MongoDB修改数据文档
- nodejs+express+mongodb安装
- 用 mongodb + elasticsearch 实现中文检索
- mongoDB中的ID的生成原则
- MongoDB入门
- Mongodb语法总结
- PHP查询MongoDB慢的问题
- Mongodb常用命令
- [MongoDB] - mongod.exe参数详解