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Mongodb4.4.1分片集群搭建

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1、环境规划

3台机，每台机5个实例，分别mongos 1 个，config server 1 个，shard server 3 个
IP:192.168.56.107(mongodb01) 实例:mongos:30000 shard1:40001(主节点) shard2:40002(仲裁节点) shard3:40003(副节点) config:27027
IP:192.168.56.105(mongodb02) 实例:mongos:30000 shard1:40001(副节点) shard2:40002(主节点) shard3:40003(仲裁节点) config:27028
IP:192.168.56.106(mongodb03) 实例:mongos:30000 shard1:40001(仲裁节点) shard2:40002(副节点) shard3:40003(主节点) config:27029

2、创建相应目录

在192.168.56.107(mongodb01)上新建：

mkdir -p /mongodb01/{data,logs,apps,run} 
mkdir -p /mongodb01/data/shard{1,2,3} 
mkdir -p /mongodb01/data/config

在192.168.56.105(mongodb02)上新建：

mkdir -p /mongodb02/{data,logs,apps,run} 
mkdir -p /mongodb02/data/shard{1,2,3} 
mkdir -p /mongodb02/data/config

在192.168.56.106(mongodb03)上新建：

mkdir -p /mongodb03/{data,logs,apps,run} 
mkdir -p /mongodb03/data/shard{1,2,3} 
mkdir -p /mongodb03/data/config

3、配置环境变量

使用root账号修改配置,/mongodb01/apps/bin 用于存放mongodb的执行程序

echo ‘export PATH=$PATH:/mongodb01/apps/bin‘ >> /etc/profile
source /etc/profile

使用root账号修改配置,/mongodb01/apps/bin 用于存放mongodb的执行程序

echo ‘export PATH=$PATH:/mongodb02/apps/bin‘ >> /etc/profile
source /etc/profile

使用root账号修改配置,/mongodb01/apps/bin 用于存放mongodb的执行程序

echo ‘export PATH=$PATH:/mongodb03/apps/bin‘ >> /etc/profile
source /etc/profile

4、创建用户及修改权限

Mongodb01下：

groupadd -g 10001 mongodb 
useradd -u 10001 -g mongodb mongodb 
id mongodb 
passwd mongodb 
输入新的密码：123 
chown -R mongodb:mongodb /mongodb01
chmod -R 775 /mongodb01

Mongodb02下：

groupadd -g 10001 mongodb 
useradd -u 10001 -g mongodb mongodb 
id mongodb 
passwd mongodb 
输入新的密码：123 
chown -R mongodb:mongodb /mongodb02
chmod -R 775 /mongodb02

Mongodb03下：

groupadd -g 10001 mongodb 
useradd -u 10001 -g mongodb mongodb 
id mongodb 
passwd mongodb 
输入新的密码：123 
chown -R mongodb:mongodb /mongodb03
chmod -R 775 /mongodb03

5、下载安装文件

切换用户：

su mongodb

Mongodb01下:切换目录:

cd /mongodb01/apps

下载文件

wget https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-rhel70-4.4.1.tgz

解压文件

tar -xf mongodb-linux-x86_64-rhel70-4.4.1.tgz
mv mongodb-linux-x86_64-rhel70-4.4.1/bin ./
rm -rf mongodb-linux-x86_64-rhel70-4.4.1

Mongodb02下:切换目录:

cd /mongodb02/apps

下载文件

wget https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-rhel70-4.4.1.tgz

解压文件

tar -xf mongodb-linux-x86_64-rhel70-4.4.1.tgz
mv mongodb-linux-x86_64-rhel70-4.4.1/bin ./
rm -rf mongodb-linux-x86_64-rhel70-4.4.1

Mongodb03下:切换目录:

cd /mongodb03/apps

下载文件

wget https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-rhel70-4.4.1.tgz

解压文件

tar -xf mongodb-linux-x86_64-rhel70-4.4.1.tgz
mv mongodb-linux-x86_64-rhel70-4.4.1/bin ./
rm -rf mongodb-linux-x86_64-rhel70-4.4.1

6、创建配置文件

Mongodb01下新建文件目录：

mkdir -p /mongodb01/apps/conf/
vi /mongodb01/apps/conf/mongodb01-config.yml
echo "systemLog:
  destination: file

# 注意修改路径

  path: "/mongodb01/logs/mongodb01-config.log" 
  logAppend: true
storage:
  journal:
    enabled: true

#注意修改路径

  dbPath: "/mongodb01/data/config"
  engine: wiredTiger
  wiredTiger:
    engineConfig:
         cacheSizeGB: 12
processManagement:
  fork: true
  pidFilePath: "/mongodb01/run/mongodb01-config.pid"
net:
  bindIp: 0.0.0.0

### 注意修改端口

  port: 27027
setParameter:
  enableLocalhostAuthBypass: true
replication:

# 复制集名称

  replSetName: "mgconfig" 
sharding:

#作为配置服务

    clusterRole: configsvr " >>/mongodb01/apps/conf/mongodb01-config.yml

Mongodb02下新建文件目录：

>mkdir -p /mongodb02/apps/conf/
vi /mongodb02/apps/conf/mongodb02-config.yml
echo "systemLog:
  destination: file

#注意修改路径

  path: "/mongodb02/logs/mongodb02-config.log" 
  logAppend: true
storage:
  journal:
    enabled: true

#注意修改路径

  dbPath: "/mongodb02/data/config"
  engine: wiredTiger
  wiredTiger:
    engineConfig:
         cacheSizeGB: 12
processManagement:
  fork: true
  pidFilePath: "/mongodb02/run/mongodb02-config.pid"
net:
  bindIp: 0.0.0.0

#注意修改端口

  port: 27028
setParameter:
  enableLocalhostAuthBypass: true
replication:

#复制集名称

  replSetName: "mgconfig" 
sharding:

#作为配置服务

  clusterRole: configsvr " >>/mongodb02/apps/conf/mongodb02-config.yml

#Mongodb03下新建文件目录：

mkdir -p /mongodb03/apps/conf/
vi /mongodb03/apps/conf/mongodb03-config.yml
echo "systemLog:
  destination: file

#注意修改路径

  path: "/mongodb03/logs/mongodb03-config.log" 
  logAppend: true
storage:
  journal:
    enabled: true

#注意修改路径

  dbPath: "/mongodb03/data/config"
  engine: wiredTiger
  wiredTiger:
    engineConfig:
         cacheSizeGB: 12
processManagement:
  fork: true
  pidFilePath: "/mongodb03/run/mongodb03-config.pid"
net:
  bindIp: 0.0.0.0

#注意修改端口

  port: 27029
setParameter:
  enableLocalhostAuthBypass: true
replication:

#复制集名称

  replSetName: "mgconfig" 
sharding:

#作为配置服务

  clusterRole: configsvr " >>/mongodb03/apps/conf/mongodb03-config.yml

在mongodb01下

vi /mongodb01/apps/conf/mongodb01-shard1.yml
echo "systemLog:
  destination: file
  path: "/mongodb01/logs/mongodb01-shard1.log"
  logAppend: true
storage:
  journal:
    enabled: true
  dbPath: "/mongodb01/data/shard1"
processManagement:
  fork: true
  pidFilePath: "/mongodb01/run/mongodb01-shard1.pid"
net:
  bindIp: 0.0.0.0

#注意修改端口

  port: 40001
setParameter:
  enableLocalhostAuthBypass: true
replication:

  #复制集名称

  replSetName: "shard1" 
sharding:

  #作为分片服务

  clusterRole: shardsvr" >>/mongodb01/apps/conf/mongodb01-shard1.yml

-----

vi /mongodb01/apps/conf/mongodb01-shard2.yml
echo "systemLog:
  destination: file
  path: "/mongodb01/logs/mongodb01-shard2.log"
  logAppend: true
storage:
  journal:
    enabled: true
  dbPath: "/mongodb01/data/shard2"
processManagement:
  fork: true
  pidFilePath: "/mongodb01/run/mongodb01-shard2.pid"
net:
  bindIp: 0.0.0.0

  #注意修改端口

  port: 40002
setParameter:
  enableLocalhostAuthBypass: true
replication:

  #复制集名称

  replSetName: "shard2" 
sharding:

  #作为分片服务

  clusterRole: shardsvr" >>/mongodb01/apps/conf/mongodb01-shard2.yml

-----

vi /mongodb01/apps/conf/mongodb01-shard3.yml
echo "systemLog:
  destination: file
  path: "/mongodb01/logs/mongodb01-shard3.log"
  logAppend: true
storage:
  journal:
    enabled: true
  dbPath: "/mongodb01/data/shard3"
processManagement:
  fork: true
  pidFilePath: "/mongodb01/run/mongodb01-shard3.pid"
net:
  bindIp: 0.0.0.0

  #注意修改端口

  port: 40003
setParameter:
  enableLocalhostAuthBypass: true
replication:

  #复制集名称

  replSetName: "shard3" 
sharding:

  #作为分片服务

  clusterRole: shardsvr" >>/mongodb01/apps/conf/mongodb01-shard3.yml

-----

vi /mongodb01/apps/conf/mongodb01-route.yml
echo "systemLog:
  destination: file

  #注意修改路径

  path: "/mongodb01/logs/mongodb01-route.log" 
  logAppend: true
processManagement:
  fork: true
  pidFilePath: "/mongodb01/run/mongodb01-route.pid"
net:
  bindIp: 0.0.0.0

  #注意修改端口

  port: 30000
setParameter:
  enableLocalhostAuthBypass: true
replication:
  localPingThresholdMs: 15
sharding:

  #关联配置服务

  configDB: mgconfig/192.168.56.107:27027,192.168.56.105:27028,192.168.56.106:27029 " >>/mongodb01/apps/conf/mongodb01-route.yml

Mongodb4.4.1分片集群搭建 - 文章图片

在mongodb02下

vi /mongodb02/apps/conf/mongodb02-shard1.yml
echo "systemLog:
  destination: file
  path: "/mongodb02/logs/mongodb02-shard1.log"
  logAppend: true
storage:
  journal:
    enabled: true
  dbPath: "/mongodb02/data/shard1"
processManagement:
  fork: true
  pidFilePath: "/mongodb02/run/mongodb02-shard1.pid"
net:
  bindIp: 0.0.0.0
  #注意修改端口
  port: 40001
setParameter:
  enableLocalhostAuthBypass: true
replication:
  #复制集名称
  replSetName: "shard1" 
sharding:
  #作为分片服务
  clusterRole: shardsvr" >>/mongodb02/apps/conf/mongodb02-shard1.yml

-----

vi /mongodb02/apps/conf/mongodb02-shard2.yml
echo "systemLog:
  destination: file
  path: "/mongodb02/logs/mongodb02-shard2.log"
  logAppend: true
storage:
  journal:
    enabled: true
  dbPath: "/mongodb02/data/shard2"
processManagement:
  fork: true
  pidFilePath: "/mongodb02/run/mongodb02-shard2.pid"
net:
  bindIp: 0.0.0.0
  #注意修改端口
  port: 40002
setParameter:
  enableLocalhostAuthBypass: true
replication:
  #复制集名称
  replSetName: "shard2" 
sharding:
  #作为分片服务
  clusterRole: shardsvr" >>/mongodb02/apps/conf/mongodb02-shard2.yml

----

vi /mongodb02/apps/conf/mongodb02-shard3.yml
echo "systemLog:
  destination: file
  path: "/mongodb02/logs/mongodb02-shard3.log"
  logAppend: true
storage:
  journal:
    enabled: true
  dbPath: "/mongodb02/data/shard3"
processManagement:
  fork: true
  pidFilePath: "/mongodb02/run/mongodb02-shard3.pid"
net:
  bindIp: 0.0.0.0
  #注意修改端口
  port: 40003
setParameter:
  enableLocalhostAuthBypass: true
replication:
  #复制集名称
  replSetName: "shard3" 
sharding:
  #作为分片服务
  clusterRole: shardsvr" >>/mongodb02/apps/conf/mongodb02-shard3.yml

-----

vi /mongodb02/apps/conf/mongodb02-route.yml
echo "systemLog:
  destination: file
  #注意修改路径
  path: "/mongodb02/logs/mongodb02-route.log" 
  logAppend: true
processManagement:
  fork: true
  pidFilePath: "/mongodb02/run/mongodb02-route.pid"
net:
  bindIp: 0.0.0.0
  #注意修改端口
  port: 30000
setParameter:
  enableLocalhostAuthBypass: true
replication:
  localPingThresholdMs: 15
sharding:
  #关联配置服务
  configDB: mgconfig/192.168.56.107:27027,192.168.56.105:27028,192.168.56.106:27029 " >>/mongodb02/apps/conf/mongodb02-route.yml

Mongodb4.4.1分片集群搭建 - 文章图片

在mongodb03下

    vi /mongodb03/apps/conf/mongodb03-shard1.yml
echo "systemLog:
  destination: file
  path: "/mongodb03/logs/mongodb03-shard1.log"
  logAppend: true
storage:
  journal:
    enabled: true
  dbPath: "/mongodb03/data/shard1"
processManagement:
  fork: true
  pidFilePath: "/mongodb03/run/mongodb03-shard1.pid"
net:
  bindIp: 0.0.0.0
  #注意修改端口
  port: 40001
setParameter:
  enableLocalhostAuthBypass: true
replication:
  #复制集名称
  replSetName: "shard1" 
sharding:
  #作为分片服务
  clusterRole: shardsvr" >>/mongodb03/apps/conf/mongodb03-shard1.yml

-----

vi /mongodb03/apps/conf/mongodb03-shard2.yml
echo "systemLog:
  destination: file
  path: "/mongodb03/logs/mongodb03-shard2.log"
  logAppend: true
storage:
  journal:
    enabled: true
  dbPath: "/mongodb03/data/shard2"
processManagement:
  fork: true
  pidFilePath: "/mongodb03/run/mongodb03-shard2.pid"
net:
  bindIp: 0.0.0.0
  #注意修改端口
  port: 40002
setParameter:
  enableLocalhostAuthBypass: true
replication:
  #复制集名称
  replSetName: "shard2" 
sharding:
  #作为分片服务
  clusterRole: shardsvr" >>/mongodb03/apps/conf/mongodb03-shard2.yml

-----

    vi /mongodb03/apps/conf/mongodb03-shard3.yml
echo "systemLog:
  destination: file
  path: "/mongodb03/logs/mongodb03-shard3.log"
  logAppend: true
storage:
  journal:
    enabled: true
  dbPath: "/mongodb03/data/shard3"
processManagement:
  fork: true
  pidFilePath: "/mongodb03/run/mongodb03-shard3.pid"
net:
  bindIp: 0.0.0.0
  #注意修改端口
  port: 40003
setParameter:
  enableLocalhostAuthBypass: true
replication:
  #复制集名称
  replSetName: "shard3" 
sharding:
  #作为分片服务
  clusterRole: shardsvr" >>/mongodb03/apps/conf/mongodb03-shard3.yml

-----

vi /mongodb03/apps/conf/mongodb03-route.yml
echo "systemLog:
  destination: file
  #注意修改路径
  path: "/mongodb03/logs/mongodb03-route.log" 
  logAppend: true
processManagement:
  fork: true
  pidFilePath: "/mongodb03/run/mongodb03-route.pid"
net:
  bindIp: 0.0.0.0
  #注意修改端口
  port: 30000
setParameter:
  enableLocalhostAuthBypass: true
replication:
  localPingThresholdMs: 15
sharding:
  #关联配置服务
  configDB: mgconfig/192.168.56.107:27027,192.168.56.105:27028,192.168.56.106:27029 " >>/mongodb03/apps/conf/mongodb03-route.yml

Mongodb4.4.1分片集群搭建 - 文章图片

7、部署配置服务器集群(三台机器都要操作)

启动config服务（3台机器执行相同操作,只是在不同的mongodb上启动时需要修改mongodb0,此处只演示mongodb01上的配置部署）
在mongodb01下

cd /mongodb01/apps/conf/
mongod --config /mongodb01/apps/conf/mongodb01-config.yml

连接一个实例

mongo 192.168.56.107:27027(此处三台机器一致)

初始化复制集
(这个 mgconfig 名字一定要和config 配置文件中 replSet 的名字一致)
```config={id:"mgconfig",members:[{id:0,host:"192.168.56.107:27027"},{id:1,host:"192.168.56.105:27028"},{id:2,host:"192.168.56.106:27029"},]}

rs.initiate(config)

检查状态

rs.status()


复制集配完后，可能状态不会马上改变（可能都是secondary），过几秒就会自动更新
![](https://s4.51cto.com/images/blog/202012/03/802a176d4595cb00dd85150780c9aa05.png?x-oss-process=image/watermark,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_100,g_se,x_10,y_10,shadow_90,type_ZmFuZ3poZW5naGVpdGk=)

8、部署shard1分片集群(3台机器都要操作，此处只操作mongodb01)

启动3台shard1实例

cd /mongodb01/apps/conf/
mongod --config /mongodb01/apps/conf/mongodb01-shard1.yml

连接一个实例

mongo 192.168.56.107:40001(3台机器一致)

创建复制集

use admin
config={_id:"shard1",members:[{_id:0,host:"192.168.56.107:40001",priority:2},{_id:1,host:"192.168.56.105:40001",priority:1},{_id:2,host:"192.168.56.106:40001",arbiterOnly:true},]}

这个 shard1名字一定要和 shard1配置文件中 replSet 的名字一致
初始化复制集

rs.initiate(config)

检查状态

rs.status()

复制集配完后，可能状态不会马上改变（可能都是secondary），过几秒就会自动更新
Mongodb4.4.1分片集群搭建 - 文章图片

9、部署shard2分片集群(3台机器都要操作，此处只示范mongodb01)

启动3台shard2实例

cd /mongodb01/apps/conf/
mongod --config /mongodb01/apps/conf/mongodb01-shard2.yml

连接第二个节点创建复制集
为什么是连接第二个，因为规划的shard2 的主节点是105:40002，仲裁节点不能写数据，所以这里不能连107，要连105

mongo 192.168.56.105:40002(三台机器一致)

创建复制集

use admin
config={_id:"shard2",members:[{_id:0,host:"192.168.56.107:40002",arbiterOnly:true},{_id:1,host:"192.168.56.105:40002",priority:2}, {_id:2,host:"192.168.56.106:40002",priority:1},]}

这个 shard2名字一定要和 shard2配置文件中 replSet 的名字一致
初始化复制集

rs.initiate(config)

检查状态

rs.status()

复制集配完后，可能状态不会马上改变（可能都是secondary），过几秒就会自动更新
Mongodb4.4.1分片集群搭建 - 文章图片

10、部署shard3分片集群(3台机器都要操作，这里只示范mongodb01)

启动3台shard3实例

cd /mongodb01/apps/conf/
mongod --config /mongodb01/apps/conf/mongodb01-shard3.yml

连接第三个节点创建复制集
为什么是连接第三个，因为规划的shard3 的主节点是106:40003

mongo 192.168.56.106:40003(3台机器一致)

创建复制集

use admin
config={_id:"shard3",members:[{_id:0,host:"192.168.56.107:40003",priority:1},{_id:1,host:"192.168.56.105:40003",arbiterOnly:true}, 
{_id:2,host:"192.168.56.106:40003",priority:2},]}

这个 shard3名字一定要和 shard3配置文件中 replSet 的名字一致
初始化复制集

rs.initiate(config)

检查状态

rs.status()

复制集配完后，可能状态不会马上改变（可能都是secondary），过几秒就会自动更新
Mongodb4.4.1分片集群搭建 - 文章图片

11、启用分片功能

登陆路由节点

cd /mongodb01/apps/conf/
mongos --config /mongodb01/apps/conf/mongodb01-route.yml
mongo 192.168.56.107:30000

use admin
sh.addShard("shard1/192.168.56.107:40001,192.168.56.105:40001,192.168.56.106:40001") 
sh.addShard("shard2/192.168.56.107:40002,192.168.56.105:40002,192.168.56.106:40002") 
sh.addShard("shard3/192.168.56.107:40003,192.168.56.105:40003,192.168.56.106:40003")

检查状态

sh.status()

Mongodb4.4.1分片集群搭建 - 文章图片

12、服务脚本

编写服务脚本，便于启动和停止集群

#!/bin/bash
#mongodb script takes care of starting ||stopping ||reload mongom
#chkconfig:- 80 15
#description: Mongo database
#precessname: mongom
user=mongodb
#source function library
#source /etc/init.d/functions
#/mongodb/apps/mongodb/bin
#the localcation of configfile
config_configfile="/mongodb01/apps/conf/mongodb01-config.yml"
router_configfile="/mongodb01/apps/conf/mongodb01-route.yml"
shard1_configfile="/mongodb01/apps/conf/mongodb01-shard1.yml"
shard2_configfile="/mongodb01/apps/conf/mongodb01-shard2.yml"
shard3_configfile="/mongodb01/apps/conf/mongodb01-shard3.yml"

#the options of start a mongodb server
start_config_options=" --config $config_configfile"
stop_config_options=" --shutdown --dbpath /mongodb01/data/config"
start_router_options=" --config $router_configfile"
start_shard1_options=" --config $shard1_configfile"
stop_shard1_options=" --shutdown --dbpath /mongodb01/data/shard1"
start_shard2_options=" --config $shard2_configfile"
stop_shard2_options=" --shutdown --dbpath /mongodb01/data/shard2"         
start_shard3_options=" --config $shard3_configfile"
stop_shard3_options=" --shutdown --dbpath /mongodb01/data/shard3"

#the localcation of mongod
mongod="/mongodb01/apps/bin/mongod"

#the localcation of mongos
mongos="/mongodb01/apps/bin/mongos"

#where to lockfile
config_lockfile="/mongodb01/data/config/mongod.lock"
shard1_lockfile="/mongodb01/data/shard1/mongod.lock"
shard2_lockfile="/mongodb01/data/shard2/mongod.lock"
shard3_lockfile="/mongodb01/data/shard3/mongod.lock"
#where to pidfile
config_pidfile="/mongodb01/run/mongodb01-config.pid"
router_pidfile="/mongodb01/run/mongodb01-route.pid"
shard1_pidfile="/mongodb01/run/mongodb01-shard1.pid"
shard2_pidfile="/mongodb01/run/mongodb01-shard2.pid"
shard3_pidfile="/mongodb01/run/mongodb01-shard3.pid"

#function of start config server
function start-config(){
    #print the tips
    echo -n $"Starting mongod of config_server:"
    $mongod $start_config_options
    #get the result
    RETVAL=$?
    if [ $RETVAL -eq 0 ];then
        touch $config_lockfile
    fi}

#function of stop config server
function stop-config(){
    #print the tips
    echo  $"stopping mongod of config_server:"
    $mongod $stop_config_options
    RETVAL=$?
    if [ $RETVAL -eq 0 ];then
        rm -f $config_lockfile
        rm -f $config_pidfile
    fi}

#function of start router server
function start-router(){
    #print the tips
    echo  $"Starting mongod of router_server:"
    $mongos $start_router_options
}
#function of stop router server
function stop-router(){
    #print the tips
    echo  $"stopping mongod of router_server:"
    kill `cat $router_pidfile`
    RETVAL=$?
    if [ $RETVAL -eq 0 ];then
        rm -f $router_pidfile
    fi

}

#function of start shard1
function start-shard1(){
    #print the tips
    echo  $"Starting mongod of shard1_server:"
    $mongod $start_shard1_options
    #get the result
    RETVAL=$?
    if [ $RETVAL -eq 0 ];then
        touch $shard1_lockfile
    fi
}

#function of stop shard1
function stop-shard1(){
    #print the tips
    echo  $"stopping mongod of shard1_server:"
    $mongod $stop_shard1_options
    RETVAL=$?
    if [ $RETVAL -eq 0 ];then
        rm -f $shard1_lockfile
        rm -f $shard1_pidfile
    fi
}
#function of start shard2
function start-shard2(){
    #print the tips
    echo -n $"Starting mongod of shard2_server:"
    $mongod $start_shard2_options
    #get the result
    RETVAL=$?
    if [ $RETVAL -eq 0 ];then
        touch $shard2_lockfile
    fi
}
#function of stop shard2
function stop-shard2(){
    #print the tips
    echo  $"stopping mongod of shard2_server:"
    $mongod $stop_shard2_options
    RETVAL=$?
    if [ $RETVAL -eq 0 ];then
        rm -f $shard2_lockfile
        rm -f $shard2_pidfile
    fi
}
#function of start shard3
function start-shard3(){
    #print the tips
    echo -n $"Starting mongod of shard3_server:"
    $mongod $start_shard3_options
    #get the result
    RETVAL=$?
    if [ $RETVAL -eq 0 ];then
        touch $shard3_lockfile
    fi}
#function of stop shard3
function stop-shard3(){
    #print the tips
    echo  $"stopping mongod of shard3_server:"
    $mongod $stop_shard3_options
    RETVAL=$?
    if [ $RETVAL -eq 0 ];then
        rm -f $shard3_lockfile
        rm -f $shard3_pidfile
    fi
}
start(){
    start-config
    echo ‘‘
    start-shard1
    echo ‘‘
    start-shard2
    echo ‘‘
    start-shard3
    echo ‘‘
    start-router
}
stop(){
    stop-shard1
    echo ‘stop-shard1 ok‘
    stop-shard2
    echo ‘stop-shard2 ok‘
    stop-shard3
    echo ‘stop-shard3 ok‘
    stop-router
    echo ‘stop-router ok‘
    stop-config
    echo ‘stop-config ok‘
}
RETVAL=0
case "$1" in
    start)
    start
      ;;
    stop)
    stop
      ;;
    start-all)
    start
      ;;
    stop-all)
    stop
      ;;
    start-shard3)
    start-shard3
      ;;
    stop-shard3)
    stop-shard3
      ;;
    start-shard2)
    start-shard2
      ;;
    stop-shard2)
    stop-shard2
      ;;
    start-shard1)
    start-shard1
      ;;
    stop-shard1)
    stop-shard1
      ;;
    start-config)
    start-config
      ;;
    stop-config)
    stop-config
      ;;
    start-router)
    start-router
      ;;
    restart-config |reload-config |force-reload-config)
    stop-config
    start-config
      ;;
    restart-router |reload-router |force-reload-router)
    stop-router
    start-router
      ;;
    restart-shard1 |reload-shard1 |force-reload-shard1)
    stop-shard1
    start-shard1
      ;;
    restart-shard2 |reload-shard2 |force-reload-shard2)
    stop-shard2
    start-shard2
      ;;
    restart-shard3 |reload-shard3 |force-reload-shard3)
    stop-shard3
    start-shard3
      ;;
    restart-all |reload-all |force-reload-all)
    stop
    start
      ;;
    conderstart)
      [ -f $lockfile ] && restart || :
      [ -f $lockfile ] && restart || :
      ;;
    status)
      status $mongod
      RETVAL=$?
       ;;
    *)
    echo "Usage: $0 {start-*|stop-*|restart-*|status|reload-*|force-reload-*|condrestart(* in {all,config,router,shard1,shard2,shard3})}"
esac
exit $RETVAL

13、测试服务器分片功能

模拟写入数据
在tydb库的tyuser表中循环写入6万条数据

mongo 192.168.56.107:30000
use tydb
show collections
for(i=1;i<=60000;i++){db.tyuser.insert({"id":i,"name":"ty"+i})}

启用数据库分片

sh.enableSharding("tydb")

创建的索引

db.tyuser.createIndex({"id":1})

启用表分片

sh.shardCollection(”tydb.tyuser",{"id":1})

查看分片情况

sh.status()

开启平衡器

use admin
sh.startBalance()

关闭平衡器

use admin
sh.stopBalancer()

查看是否关闭
返回flase表示平衡器已关闭，还需要查询均衡器正在运行的 情况

sh.getBalancerState()

Mongodb4.4.1分片集群搭建

标签：修改权限   code   上启   process   text   不同的   linux   root   cache   

本文系统来源：https://blog.51cto.com/14998880/2559091

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