linux上安装mongodb

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安装版本:3.0.7

安装机器:所有机器

安装过程:

1.使用hadoop账号解压到/opt/hadoop/目录下:

$ tar -zxvf mongodb-${version}.tar.gz -C /opt/hadoop/

2.设置软链接:

$ ln -s /opt/hadoop/mongodb-${version}   /opt/hadoop/mongodb 

3.配置环境变量,并使其生效:

# vim /etc/profile

export MONGODB_HOME=/opt/hadoop/mongodb

export PATH=${MONGODB_HOME}/bin:$PATH

# source /etc/profile

4.在/opt/hadoop/mongodb/目录下建立data相关目录(须保证目录为空):

$ mkdir -p /opt/hadoop/mongodb/data/configsvr

$ mkdir -p /opt/hadoop/mongodb/data/rs0-0

$ mkdir -p /opt/hadoop/mongodb/data/rs1-0

5.在conf目录下修改configsvr.conf文件:

$ vim /opt/hadoop/mongodb/conf/configsvr.conf

修改以下内容

path: "/opt/hadoop/mongodb/logs/configsvr.log"

pidFilePath: "/opt/hadoop/mongodb/configsvr.pid"

dbPath: "/opt/hadoop/mongodb/data/configsvr"

6.继续修改mongos.conf文件:

$ vim /opt/hadoop/mongodb/conf/mongos.conf

修改以下内容

path: "/opt/hadoop/mongodb/logs/mongos.log"

pidFilePath: "/opt/hadoop/mongodb/mongos.pid"

7.继续修改rs0.conf文件:

$ vim /opt/hadoop/mongodb/conf/rs0.conf

修改以下内容

path: "/opt/hadoop/mongodb/logs/rs0-0.log"

pidFilePath: "/opt/hadoop/mongodb/rs0-0.pid"

dbPath: "/opt/hadoop/mongodb/data/rs0-0"

8.继续修改rs1.conf文件:

$ vim /opt/hadoop/mongodb/conf/rs1.conf

修改以下内容

path: "/opt/hadoop/mongodb/logs/rs1-0.log"

pidFilePath: "/opt/hadoop/mongodb/rs1-0.pid"

dbPath: "/opt/hadoop/mongodb/data/rs1-0"

9.在baseline01上复制mongodb到baseline02机器并按照步骤3修改环境变量:

$ scp -r /opt/hadoop/mongodb-${version} [email protected]2:/opt/hadoop

$ ln -s /opt/hadoop/mongodb-${version} /opt/hadoop/mongodb

10.修改data目录下的文件夹名:

$ mv /opt/hadoop/mongodb/data/rs0-0 /opt/hadoop/mongodb/data/rs0-1

$ mv /opt/hadoop/mongodb/data/rs1-0 /opt/hadoop/mongodb/data/rs1-1

11.在baseline02上修改rs0.conf文件:

$ vim /opt/hadoop/mongodb/conf/rs0.conf

修改以下内容

path: "/opt/hadoop/mongodb/logs/rs0-1.log"

pidFilePath: "/opt/hadoop/mongodb/rs0-1.pid"

dbPath: "/opt/hadoop/mongodb/data/rs0-1"

12.在baseline02上修改rs1.conf文件:

$ vim /opt/hadoop/mongodb/conf/rs1.conf

修改以下内容

path: "/opt/hadoop/mongodb/logs/rs1-1.log"

pidFilePath: "/opt/hadoop/mongodb/rs1-1.pid"

dbPath: "/opt/hadoop/mongodb/data/rs1-1"

13.在baseline01上复制mongodb到baseline03机器:

$ scp -r /opt/hadoop/mongodb-${version} hadoop@baseline03:/opt/hadoop

$ ln -s /opt/hadoop/mongodb-${version} /opt/hadoop/mongodb

14.修改data目录下的文件夹名:

$ mv /opt/hadoop/mongodb/data/rs0-0 /opt/hadoop/mongodb/data/rs0-2

$ mv /opt/hadoop/mongodb/data/rs1-0 /opt/hadoop/mongodb/data/rs1-2

15.在baseline03上修改rs0.conf文件:

$ vim /opt/hadoop/mongodb/conf/rs0.conf

修改以下内容

path: "/opt/hadoop/mongodb/logs/rs0-2.log"

pidFilePath: "/opt/hadoop/mongodb/rs0-2.pid"

dbPath: "/opt/hadoop/mongodb/data/rs0-2"

16.在baseline03上修改rs1.conf文件:

$ vim /opt/hadoop/mongodb/conf/rs1.conf

修改以下内容

path: "/opt/hadoop/mongodb/logs/rs1-2.log"

pidFilePath: "/opt/hadoop/mongodb/rs1-2.pid"

dbPath: "/opt/hadoop/mongodb/data/rs1-2"

17.rs0配置:

      三台机器顺序启动mongod的服务:

$ mongod --config /opt/hadoop/mongodb/conf/rs0.conf

18.在baseline01上执行连接到mongod实例:

$ mongo baseline01:27017

连接成功后执行:

>rs0conf = {

_id: "rs0",

members: [

{

_id: 0,

host: "baseline01:27017"

}

]

}

>rs.initiate( rs0conf )

>rs.add("baseline02:27017")

>rs.add("baseline03:27017")

>rs.status()  //半分钟后执行该命令,若出现一主两从则说明rs0配置成功


rs1配置:

三台机器顺序启动mongod的服务:

$ mongod --config /opt/hadoop/mongodb/conf/rs1.conf

在baseline01上执行连接到mongod实例:

$ mongo baseline01:27018

>rs1conf = {

_id: "rs1",

members: [

{

_id: 0,

host: "baseline01:27018"

}

]

}

>rs.initiate( rs1conf )

>rs.add("baseline02:27018")

>rs.add("baseline03:27018")

>rs.status()   //半分钟后执行该命令,若出现一主两从则说明rs1配置成功

19.三台机器分别启动配置服务器:

$ mongod --config /opt/hadoop/mongodb/conf/configsvr.conf 

20.三台机器分别启动mongos路由:

$ mongos --config /opt/hadoop/mongodb/conf/mongos.conf 

 

21.在baseline01上连接到mongos:

$ mongo baseline01:27000

22.切换到admin数据库,添加分片:

mongos> use admin

mongos>db.runCommand({addshard:"rs0/baseline01:27017,baseline02:27017,baseline03:27017"})

mongos>db.runCommand({addshard:"rs1/baseline01:27018,baseline02:27018,baseline03:27018"})

23.查看分片状态:

mongos>db.runCommand({listshards:1})

24.为testdb数据库启动分片:

mongos>db.runCommand({enablesharding:"testdb"})

mongos>db.runCommand({shardcollection:"testdb.test_table",key:{id:1}})

25.在baseline01上连接到mongos:

$ mongo baseline01:27000

26测试插入数据:

mongos>use testdb

mongos>for(var i = 1; i <= 50000; i++) db.test_table.insert( { "id":i, "name":"str"+i, "date":new Date() } )

WriteResult({ "nInserted" : 1 })

mongos>db.test_table.stats()

查看分片状态,若rs0和rs1上分别有数据,说明部署成功


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