| 服务器75 | 服务器84 | 服务器86 |
|---|---|---|
| mongos | mongos | mongos |
| config server | config server | config server |
| shard server1 主节点 | shard server1 副节点 | shard server1 仲裁 |
| shard server2 仲裁 | shard server2 主节点 | shard server2 副节点 |
| shard server3 副节点 | shard server3 仲裁 | shard server3 主节点 |
mongos:20000 config:21000 shard1:27001 shard2:27002 shard3:27003
#解压 tar -xzvf mongodb-linux-x86_64-3.4.6.tgz -C /usr/local/ #改名 mv mongodb-linux-x86_64-3.4.6 mongodb
mkdir -p /usr/local/mongodb/conf mkdir -p /usr/local/mongodb/mongos/log mkdir -p /usr/local/mongodb/config/data mkdir -p /usr/local/mongodb/config/log mkdir -p /usr/local/mongodb/shard1/data mkdir -p /usr/local/mongodb/shard1/log mkdir -p /usr/local/mongodb/shard2/data mkdir -p /usr/local/mongodb/shard2/log mkdir -p /usr/local/mongodb/shard3/data mkdir -p /usr/local/mongodb/shard3/log
vim /etc/profile # 内容 export MONGODB_HOME=/usr/local/mongodb export PATH=$MONGODB_HOME/bin:$PATH # 使立即生效 source /etc/profile
vi /usr/local/mongodb/conf/config.conf ## 配置文件内容 pidfilepath = /usr/local/mongodb/config/log/configsrv.pid dbpath = /usr/local/mongodb/config/data logpath = /usr/local/mongodb/config/log/congigsrv.log logappend = true bind_ip = 0.0.0.0 port = 21000 fork = true #declare this is a config db of a cluster; configsvr = true #副本集名称 replSet=configs #设置最大连接数 maxConns=20000
mongod -f /usr/local/mongodb/conf/config.conf
#连接
mongo --port 21000
#config变量
config = {
... _id : "configs",
... members : [
... {_id : 0, host : "192.168.0.75:21000" },
... {_id : 1, host : "192.168.0.84:21000" },
... {_id : 2, host : "192.168.0.86:21000" }
... ]
... }
#初始化副本集
rs.initiate(config)
vi /usr/local/mongodb/conf/shard1.conf #配置文件内容 #——————————————– pidfilepath = /usr/local/mongodb/shard1/log/shard1.pid dbpath = /usr/local/mongodb/shard1/data logpath = /usr/local/mongodb/shard1/log/shard1.log logappend = true bind_ip = 0.0.0.0 port = 27001 fork = true #打开web监控 httpinterface=true rest=true #副本集名称 replSet=shard1 #declare this is a shard db of a cluster; shardsvr = true #设置最大连接数 maxConns=20000
mongod -f /usr/local/mongodb/conf/shard1.conf
mongo --port 27001
#使用admin数据库
use admin
#定义副本集配置,第三个节点的 "arbiterOnly":true 代表其为仲裁节点。
config = {
... _id : "shard1",
... members : [
... {_id : 0, host : "192.168.0.75:27001" },
... {_id : 1, host : "192.168.0.84:27001" },
... {_id : 2, host : "192.168.0.86:27001” , arbiterOnly: true }
... ]
... }
#初始化副本集配置
rs.initiate(config);
vi /usr/local/mongodb/conf/shard2.conf #配置文件内容 #——————————————– pidfilepath = /usr/local/mongodb/shard2/log/shard2.pid dbpath = /usr/local/mongodb/shard2/data logpath = /usr/local/mongodb/shard2/log/shard2.log logappend = true bind_ip = 0.0.0.0 port = 27002 fork = true #打开web监控 httpinterface=true rest=true #副本集名称 replSet=shard2 #declare this is a shard db of a cluster; shardsvr = true #设置最大连接数 maxConns=20000
mongod -f /usr/local/mongodb/conf/shard2.conf
mongo --port 27002
#使用admin数据库
use admin
#定义副本集配置
config = {
... _id : "shard2",
... members : [
... {_id : 0, host : "192.168.0.75:27002" , arbiterOnly: true },
... {_id : 1, host : "192.168.0.84:27002" },
... {_id : 2, host : "192.168.0.86:27002" }
... ]
... }
#初始化副本集配置
rs.initiate(config);
vi /usr/local/mongodb/conf/shard3.conf #配置文件内容 #——————————————– pidfilepath = /usr/local/mongodb/shard3/log/shard3.pid dbpath = /usr/local/mongodb/shard3/data logpath = /usr/local/mongodb/shard3/log/shard3.log logappend = true bind_ip = 0.0.0.0 port = 27003 fork = true #打开web监控 httpinterface=true rest=true #副本集名称 replSet=shard3 #declare this is a shard db of a cluster; shardsvr = true #设置最大连接数 maxConns=20000
mongod -f /usr/local/mongodb/conf/shard3.conf
mongo --port 27003
#使用admin数据库
use admin
#定义副本集配置
config = {
... _id : "shard3",
... members : [
... {_id : 0, host : "192.168.0.75:27003" },
... {_id : 1, host : "192.168.0.84:27003" , arbiterOnly: true},
... {_id : 2, host : "192.168.0.86:27003" }
... ]
... }
#初始化副本集配置
rs.initiate(config);
vi /usr/local/mongodb/conf/mongos.conf #内容 pidfilepath = /usr/local/mongodb/mongos/log/mongos.pid logpath = /usr/local/mongodb/mongos/log/mongos.log logappend = true bind_ip = 0.0.0.0 port = 20000 fork = true #监听的配置服务器,只能有1个或者3个 configs为配置服务器的副本集名字 configdb = configs/192.168.0.75:21000,192.168.0.84:21000,192.168.0.86:21000 #设置最大连接数 maxConns=20000
mongod -f /usr/local/mongodb/conf/mongos.conf
mongo --port 20000
#使用admin数据库
user admin
#串联路由服务器与分配副本集
sh.addShard("shard1/192.168.0.75:27001,192.168.0.84:27001,192.168.0.86:27001")
sh.addShard("shard2/192.168.0.75:27002,192.168.0.84:27002,192.168.0.86:27002")
sh.addShard("shard3/192.168.0.75:27003,192.168.0.84:27003,192.168.0.86:27003")
#查看集群状态
sh.status()
#指定testdb分片生效
db.runCommand( { enablesharding :"testdb"});
#指定数据库里需要分片的集合和片键
db.runCommand( { shardcollection : "testdb.table1",key : {id: 1} } )
mongo 127.0.0.1:20000
#使用testdb
use testdb;
#插入测试数据
for (var i = 1; i <= 100000; i++)
db.table1.save({id:i,"test1":"testval1"});
#查看分片情况如下,部分无关信息省掉了
db.table1.stats();
{
"sharded" : true,
"ns" : "testdb.table1",
"count" : 100000,
"numExtents" : 13,
"size" : 5600000,
"storageSize" : 22372352,
"totalIndexSize" : 6213760,
"indexSizes" : {
"_id_" : 3335808,
"id_1" : 2877952
},
"avgObjSize" : 56,
"nindexes" : 2,
"nchunks" : 3,
"shards" : {
"shard1" : {
"ns" : "testdb.table1",
"count" : 42183,
"size" : 0,
...
"ok" : 1
},
"shard2" : {
"ns" : "testdb.table1",
"count" : 38937,
"size" : 2180472,
...
"ok" : 1
},
"shard3" : {
"ns" : "testdb.table1",
"count" :18880,
"size" : 3419528,
...
"ok" : 1
}
},
"ok" : 1
}
mongod -f /usr/local/mongodb/conf/config.conf mongod -f /usr/local/mongodb/conf/shard1.conf mongod -f /usr/local/mongodb/conf/shard2.conf mongod -f /usr/local/mongodb/conf/shard3.conf mongod -f /usr/local/mongodb/conf/mongos.conf
killall mongod killall mongos
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