Mongodb集群搭建

共2台服务器，每台上面各一个路由，一个配置，一个分片，mongodb版本3.4

服务器1:10.2.4.214

服务器2:10.2.4.215

1.首先编写2台服务器的配置文件，并将配置文件中的路径文件夹建立好

214的路由配置文件mongodb_rout.conf：

net:   port: 5000   ipv6: truesystemLog:   destination: file   path: "/data/mongodb/formal_5000/log/route.log"   logAppend: trueprocessManagement:   fork: truesharding:   configDB: rsConf/10.2.4.214:5100,10.2.4.215:5100...

214的配置配置文件mongodb_cfg.conf：

net:   port: 5100   ipv6: truestorage:   dbPath: "/data/mongodb/formal_5000/data/config"   directoryPerDB: truesystemLog:   destination: file   path: "/data/mongodb/formal_5000/log/config.log"   logAppend: truestorage:   journal:      enabled: trueprocessManagement:   fork: truesharding:   clusterRole: configsvrreplication:   replSetName: rsConf...

214的分片配置文件mongodb_s0.conf：

storage:   dbPath: "/data/mongodb/formal_5000/data/s0"   directoryPerDB: truesystemLog:   destination: file   path: "/data/mongodb/formal_5000/log/s0.log"   logAppend: truenet:   port: 5010   ipv6: trueprocessManagement:   fork: truestorage:   journal:      enabled: truereplication:   replSetName: rsShardAsharding:          clusterRole: shardsvr...

215的路由配置文件mongodb_rout.conf：

net:   port: 5000   ipv6: truesystemLog:   destination: file   path: "/data/mongodb/formal_5000/log/route.log"   logAppend: trueprocessManagement:   fork: truesharding:   configDB: rsConf/10.2.4.214:5100,10.2.4.215:5100...

215的配置配置文件mongodb_cfg.conf：

net:   port: 5100   ipv6: truestorage:   dbPath: "/data/mongodb/formal_5000/data/config"   directoryPerDB: truesystemLog:   destination: file   path: "/data/mongodb/formal_5000/log/config.log"   logAppend: truestorage:   journal:      enabled: trueprocessManagement:   fork: truesharding:   clusterRole: configsvrreplication:   replSetName: rsConf...

215的分片配置文件mongodb_s0.conf：

storage:   dbPath: "/data/mongodb/formal_5000/data/s0"   directoryPerDB: truesystemLog:   destination: file   path: "/data/mongodb/formal_5000/log/s0.log"   logAppend: truenet:   port: 5010   ipv6: trueprocessManagement:   fork: truestorage:   journal:      enabled: truereplication:   replSetName: rsShardBsharding:          clusterRole: shardsvr...

在2台服务器上执行下面命令建立文件夹，否则mongodb无法启动

mkdir -p /data/mongodb/formal_5000/log/mkdir -p /data/mongodb/formal_5000/data/config/mkdir -p /data/mongodb/formal_5000/data/s0

2.启动2台配置服务，并配置成副本集

#在2台服务器上都启动配置服务numactl --interleave=all  mongod -f /etc/mongodb/formal_5000/mongodb_cfg.conf#进入其中一台服务进行配置mongo --port 5100config={_id:"rsConf",members:[        {_id:0,host:"10.2.4.214:5100"},        {_id:1,host:"10.2.4.215:5100"}]}rs.initiate(config)#查看副本集配置是否成功rs.status()

3.启动2台分片和路由服务，并配置

#在2台服务器上都启动分片服务numactl --interleave=all  mongod -f /etc/mongodb/formal_5000/mongodb_s0.conf#在2台服务器上都启动路由服务numactl --interleave=all  mongos -f /etc/mongodb/formal_5000/mongodb_rout.conf#进入214分片并配置分片成副本集的primarymongo --port 5010config={_id:"rsShardA",members:[        {_id:0,host:"10.2.4.214:5010"}]}rs.initiate(config)#进入215分片并配置分片成副本集的primarymongo --port 5010config={_id:"rsShardB",members:[        {_id:0,host:"10.2.4.215:5010"}]}rs.initiate(config)#进入路由并配置分片mongo --port 5000use admindb.runCommand({addshard:"rsShardA/10.2.4.214:5010",name:"shard_0",maxSize:0})db.runCommand({addshard:"rsShardB/10.2.4.215:5010",name:"shard_1",maxSize:0})#查看分片配置情况sh.status()

4.设置monitor_center可分片

use monitor_centeruse admindb.runCommand({enablesharding:"monitor_center"})

5.使用Studio-3T连接路由、配置和分片并建立用户（这里教程省略）

6.关闭数据库

#先关路由，进入2台服务器的路由mongo --port 5000use admindb.shutdownServer()#再关分片，进入2台服务器的分片mongo --port 5010use admindb.shutdownServer({force:true})#最后关配置，进入2台服务器的配置mongo --port 5100use admindb.shutdownServer()

7.将keyfile加入到2台服务器的路由、配置、分片的配置文件中的最后一行里，如下所示：

214的路由配置文件mongodb_rout.conf:

net:   port: 5000   ipv6: truesystemLog:   destination: file   path: "/data/mongodb/formal_5000/log/route.log"   logAppend: trueprocessManagement:   fork: truesharding:   configDB: rsConf/10.2.4.214:5100,10.2.4.215:5100security:   keyFile: "/data/mongodb/formal_5000/key/mongodb_key"...

其他配置文件类似，都需要添加keyfile

#生成keyFilemkdir -p /data/mongodb/formal_5000/key/cd /data/mongodb/formal_5000/keyecho -e "formal mongodb keyFile" > mongodb_keychmod 600 /data/mongodb/formal_5000/key/mongodb_key

8.最后依次启动配置、分片、路由

numactl --interleave=all  mongod -f /etc/mongodb/formal_5000/mongodb_cfg.confnumactl --interleave=all  mongod -f /etc/mongodb/formal_5000/mongodb_s0.confnumactl --interleave=all  mongos -f /etc/mongodb/formal_5000/mongodb_rout.conf

PS：

1.平衡器

sh.setBalancerState(true) #启动平衡器sh.setBalancerState(false) #关闭平衡器sh.getBalancerState() #查看平衡器的状态sh.isBalancerRunning() #查看平衡器当前是否在运行#设置平衡器启动时间范围，首先确保平衡器是启动状态db.settings.update({ _id: "balancer" },{ $set: { activeWindow : { start : "21:00", stop : "08:00" } } },{ upsert: true })#取消平衡器启动时间范围db.settings.update({ _id : "balancer" }, { $unset : { activeWindow : true } })

2.建表

use monitor_centerdb.createCollection("origdata_20171024") #建表db.origdata_20171024.createIndex({ mac: 1, time: 1},{ background: true}) #建索引use admindb.runCommand({shardcollection:"monitor_center.origdata_20171024",key:{mac:1,time:1}}) #集合是否允许分片db.runCommand({moveChunk:"monitor_center.origdata_20171024",bounds:[{mac:MinKey,time:MinKey},{mac:MaxKey,time:MaxKey}],to:"shard_1"}) #将集合手动移到分片1

3.表的迁移

sh.enableBalancing("monitor_center.origdata_20171024") #开启该集合的数据平衡sh.disableBalancing("monitor_center.origdata_20171024") #关闭该集合的数据平衡db.getSiblingDB("config").collections.findOne({_id : "monitor_center.origdata_20171024"}).noBalance #检查该集合是否启动了数据平衡