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三臺機器操作系統環境如下：
[mongodb@node1 ~]$ cat /etc/issue Red Hat Enterprise Linux Server release 6.6 (Santiago) Kernel \r on an \m [mongodb@node1 ~]$ uname -r 2.6.32-504.el6.x86_64 [mongodb@node1 ~]$ uname -m x86_64
架構如下圖:
文字描述： 1
192.168.42.41、shard1:10001、shard2:10002、shard3:10003、configsvr:10004、mongos:10005 注：shard1主節點，shard2仲裁，shard3副本 192.168.42.42、shard1:10001、shard2:10002、shard3:10003、configsvr:10004、mongos:10005 注：shard1副本，shard2主節點，shard3仲裁 192.168.42.43、shard1:10001、shard2:10002、shard3:10003、configsvr:10004、mongos:10005 注：shard1仲裁，shard2副本，shard3主節點 node1：192.168.42.41 node2：192.168.42.42 node3：192.168.42.43
創建mongodb用戶
[root@node1 ~]# groupadd mongodb [root@node1 ~]# useradd -g mongodb mongodb [root@node1 ~]# mkdir /data [root@node1 ~]# chown mongodb.mongodb /data -R [root@node1 ~]# su - mongodb
創建目錄和文件
[mongodb@node1 ~]$ mkdir /data/{config,shard1,shard2,shard3,mongos,logs,configsvr,keyfile} -pv
[mongodb@node1 ~]$ touch /data/keyfile/zxl
[mongodb@node1 ~]$ touch /data/logs/shard{1..3}.log
[mongodb@node1 ~]$ touch /data/logs/{configsvr,mongos}.log
[mongodb@node1 ~]$ touch /data/config/shard{1..3}.conf
[mongodb@node1 ~]$ touch /data/config/{configsvr,mongos}.conf下載mongodb
[mongodb@node1 ~]$ wget https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-rhel62-3.2.3.tgz [mongodb@node3 ~]$ tar fxz mongodb-linux-x86_64-rhel62-3.2.3.tgz -C /data [mongodb@node3 ~]$ ln -s /data/mongodb-linux-x86_64-rhel62-3.2.3 /data/mongodb
配置mongodb環境變量
[mongodb@node1 ~]$ echo "export PATH=$PATH:/data/mongodb/bin" >> ~/.bash_profile [mongodb@node1 data]$ source ~/.bash_profile
shard1.conf配置文件內容如下：
[mongodb@node1 ~]$ cat /data/config/shard1.conf
systemLog: destination: file path: /data/logs/shard1.log logAppend: true processManagement: fork: true pidFilePath: "/data/shard1/shard1.pid" net: port: 10001 storage: dbPath: "/data/shard1" engine: wiredTiger journal: enabled: true directoryPerDB: true operationProfiling: slowOpThresholdMs: 10 mode: "slowOp"
#security: # keyFile: "/data/keyfile/zxl" # clusterAuthMode: "keyFile" replication: oplogSizeMB: 50 replSetName: "shard1_zxl" secondaryIndexPrefetch: "all"
shard2.conf配置文件內容如下：
[mongodb@node1 ~]$ cat /data/config/shard2.conf
systemLog: destination: file path: /data/logs/shard2.log logAppend: true processManagement: fork: true pidFilePath: "/data/shard2/shard2.pid" net: port: 10002 storage: dbPath: "/data/shard2" engine: wiredTiger journal: enabled: true directoryPerDB: true operationProfiling: slowOpThresholdMs: 10 mode: "slowOp"
#security: # keyFile: "/data/keyfile/zxl" # clusterAuthMode: "keyFile" replication: oplogSizeMB: 50 replSetName: "shard2_zxl" secondaryIndexPrefetch: "all"
shard3.conf配置文件內容如下：
[mongodb@node1 ~]$ cat /data/config/shard3.conf
systemLog: destination: file path: /data/logs/shard3.log logAppend: true processManagement: fork: true pidFilePath: "/data/shard3/shard3.pid" net: port: 10003 storage: dbPath: "/data/shard3" engine: wiredTiger journal: enabled: true directoryPerDB: true operationProfiling: slowOpThresholdMs: 10 mode: "slowOp" #security: # keyFile: "/data/keyfile/zxl" # clusterAuthMode: "keyFile" replication: oplogSizeMB: 50 replSetName: "shard3_zxl" secondaryIndexPrefetch: "all"
configsvr.conf配置文件內容如下：
[mongodb@node1 ~]$ cat /data/config/configsvr.conf
systemLog: destination: file path: /data/logs/configsvr.log logAppend: true processManagement: fork: true pidFilePath: "/data/configsvr/configsvr.pid" net: port: 10004 storage: dbPath: "/data/configsvr" engine: wiredTiger journal: enabled: true #security: # keyFile: "/data/keyfile/zxl" # clusterAuthMode: "keyFile" sharding: clusterRole: configsvr
mongos.conf配置文件內容如下：
[mongodb@node3 ~]$ cat /data/config/mongos.conf
systemLog: destination: file path: /data/logs/mongos.log logAppend: true processManagement: fork: true pidFilePath: /data/mongos/mongos.pid net: port: 10005 sharding: configDB: 192.168.42.41:10004,192.168.42.42:10004,192.168.42.43:10004 #security: # keyFile: "/data/keyfile/zxl" # clusterAuthMode: "keyFile"
注：以上操作只是在node1機器上操作，請把上面這些操作步驟在另外2臺機器操作一下，包括創建用戶創建目錄文件以及安裝mongodb等，以及文件拷貝到node2、node3對應的目錄下，拷貝之后查看一下文件的屬主屬組是否為mongodb。
啟動各個機器節點的mongod，shard1、shard2、shard3
[mongodb@node1 ~]$ mongod -f /data/config/shard1.conf mongod: /usr/lib64/libcrypto.so.10: no version information available (required by m mongod: /usr/lib64/libcrypto.so.10: no version information available (required by m mongod: /usr/lib64/libssl.so.10: no version information available (required by mong mongod: relocation error: mongod: symbol TLSv1_1_client_method, version libssl.so.1n file libssl.so.10 with link time reference
注：無法啟動，看到相應的提示后
解決：安裝openssl即可，三臺機器均安裝openssl-devel,redhat6.6基本不存在這種情況，centos可能會遇到。
[mongodb@node1 ~]$ su - root Password: [root@node1 ~]# yum install openssl-devel -y
再次切換mongodb用戶啟動三臺機器上的mongod，shard1、shard2、shard3
[mongodb@node1 ~]$ mongod -f /data/config/shard1.conf about to fork child process, waiting until server is ready for connections. forked process: 1737 child process started successfully, parent exiting [mongodb@node1 ~]$ mongod -f /data/config/shard2.conf about to fork child process, waiting until server is ready for connections. forked process: 1760 child process started successfully, parent exiting [mongodb@node1 ~]$ mongod -f /data/config/shard3.conf about to fork child process, waiting until server is ready for connections. forked process: 1783 child process started successfully, parent exiting
注意：如果這一步報錯，可以看他的提示信息，或者/data/logs/shard{1..3}.log的日志。
進入node1機器上的mongod:10001登錄
[mongodb@node1 ~]$ mongo --port 10001 MongoDB shell version: 3.2.3 connecting to: 127.0.0.1:10001/test Welcome to the MongoDB shell. For interactive help, type "help". For more comprehensive documentation, see http://docs.mongodb.org/ Questions? Try the support group http://groups.google.com/group/mongodb-user Server has startup warnings: 2016-03-08T13:28:18.508+0800 I CONTROL [initandlisten] 2016-03-08T13:28:18.508+0800 I CONTROL [initandlisten] ** WARNING: /sys/kernel/mm/epage/enabled is 'always'. 2016-03-08T13:28:18.508+0800 I CONTROL [initandlisten] ** We suggest settin 2016-03-08T13:28:18.508+0800 I CONTROL [initandlisten] 2016-03-08T13:28:18.508+0800 I CONTROL [initandlisten] ** WARNING: /sys/kernel/mm/epage/defrag is 'always'. 2016-03-08T13:28:18.508+0800 I CONTROL [initandlisten] ** We suggest settin 2016-03-08T13:28:18.508+0800 I CONTROL [initandlisten]
注：提示warning......
解決：在三臺機器上均操作一下內容即可
[mongodb@node2 config]$ su - root Password [root@node1 ~]# echo never > /sys/kernel/mm/transparent_hugepage/enabled [root@node1 ~]# echo never > /sys/kernel/mm/transparent_hugepage/defrag
一定要關閉三臺機器上的mongod實例，然后再次啟動三臺機器上mongod實例，否則不生效。
[mongodb@node1 ~]$ netstat -ntpl|grep mongo|awk '{print $NF}'|awk -F'/' '{print $1}'|xargs kill
[mongodb@node1 ~]$ mongod -f /data/config/shard1.conf
[mongodb@node1 ~]$ mongod -f /data/config/shard2.conf
[mongodb@node1 ~]$ mongod -f /data/config/shard3.conf看端口是否存在：
[mongodb@elk_node1 ~]$ ss -atunlp|grep mong
tcp LISTEN 0 128 *:10001 *:* users:(("mongod",2630,6))
tcp LISTEN 0 128 *:10002 *:* users:(("mongod",2654,6))
tcp LISTEN 0 128 *:10003 *:* users:(("mongod",2678,6))配置復制集
node1機器上操作配置復制集
[mongodb@node1 config]$ mongo --port 10001 MongoDB shell version: 3.2.3 connecting to: 127.0.0.1:10001/test > use admin switched to db admin
> config = { _id:"shard1_zxl", members:[
... ... {_id:0,host:"192.168.42.41:10001"},
... ... {_id:1,host:"192.168.42.42:10001"},
... ... {_id:2,host:"192.168.42.43:10001",arbiterOnly:true}
... ... ]
... ... }{
"_id" : "shard1_zxl",
"members" : [
{
"_id" : 0,
"host" : "192.168.42.41:10001"
},
{
"_id" : 1,
"host" : "192.168.42.42:10001"
},
{
"_id" : 2,
"host" : "192.168.42.43:10001",
"arbiterOnly" : true
}
]
}> rs.initiate(con
config connect( connectionURLTheSame( constructor
> rs.initiate(config)
{ "ok" : 1 }node2機器上操作配置復制集
[mongodb@node2 config]$ mongo --port 10002 MongoDB shell version: 3.2.3 connecting to: 127.0.0.1:10002/test Welcome to the MongoDB shell. For interactive help, type "help". For more comprehensive documentation, see http://docs.mongodb.org/ Questions? Try the support group http://groups.google.com/group/mongodb-user > use admin switched to db admin
> config = { _id:"shard2_zxl", members:[
... ... {_id:0,host:"192.168.42.42:10002"},
... ... {_id:1,host:"192.168.42.43:10002"},
... ... {_id:2,host:"192.168.42.41:10002",arbiterOnly:true}
... ... ]
... ... }
{
"_id" : "shard2_zxl",
"members" : [
{
"_id" : 0,
"host" : "192.168.42.42:10002"
},
{
"_id" : 1,
"host" : "192.168.42.43:10002"
},
{
"_id" : 2,
"host" : "192.168.42.41:10002",
"arbiterOnly" : true
}
]
}> rs.initiate(config)
{ "ok" : 1 }node3機器上操作配置復制集
[mongodb@node3 config]$ mongo --port 10003 MongoDB shell version: 3.2.3 connecting to: 127.0.0.1:10003/test Welcome to the MongoDB shell. For interactive help, type "help". For more comprehensive documentation, see http://docs.mongodb.org/ Questions? Try the support group http://groups.google.com/group/mongodb-user > use admin switched to db admin
> config = {_id:"shard3_zxl", members:[
... ... {_id:0,host:"192.168.42.43:10003"},
... ... {_id:1,host:"192.168.42.41:10003"},
... ... {_id:2,host:"192.168.42.42:10003",arbiterOnly:true}
... ... ]
... ... }
{
"_id" : "shard3_zxl",
"members" : [
{
"_id" : 0,
"host" : "192.168.42.43:10003"
},
{
"_id" : 1,
"host" : "192.168.42.41:10003"
},
{
"_id" : 2,
"host" : "192.168.42.42:10003",
"arbiterOnly" : true
}
]
}> rs.initiate(config)
{ "ok" : 1 }注：以上是配置rs復制集，相關命令如：rs.status()，查看各個復制集的狀況
啟動三臺機器上的configsvr和mongos節點
[mongodb@node1 logs]$ mongod -f /data/config/configsvr.conf about to fork child process, waiting until server is ready for connections. forked process: 6317 child process started successfully, parent exiting
[mongodb@node1 logs]$ mongos -f /data/config/mongos.conf about to fork child process, waiting until server is ready for connections. forked process: 6345 child process started successfully, parent exiting
查看端口是否啟動：
[mongodb@elk_node1 ~]$ ss -atunlp|grep mong
tcp LISTEN 0 128 *:10001 *:* users:(("mongod",2630,6))
tcp LISTEN 0 128 *:10002 *:* users:(("mongod",2654,6))
tcp LISTEN 0 128 *:10003 *:* users:(("mongod",2678,6))
tcp LISTEN 0 128 *:10004 *:* users:(("mongod",3053,6))
tcp LISTEN 0 128 *:10005 *:* users:(("mongos",3157,21))配置shard分片
在node1機器上配置shard分片
[mongodb@node1 config]$ mongo --port 10005 MongoDB shell version: 3.2.3 connecting to: 127.0.0.1:10005/test mongos> use admin switched to db admin
mongos> db.runCommand({addshard:"shard1_zxl/192.168.42.41:10001,192.168.42.42:10001,192.168.42.43:10001"});
{ "shardAdded" : "shard1_zxl", "ok" : 1 }mongos> db.runCommand({addshard:"shard2_zxl/192.168.42.41:10002,192.168.42.42:10002,192.168.42.43:10002"});
{ "shardAdded" : "shard2_zxl", "ok" : 1 }mongos> db.runCommand({addshard:"shard3_zxl/192.168.42.41:10003,192.168.42.42:10003,192.168.42.43:10003"});
{ "shardAdded" : "shard3_zxl", "ok" : 1 }查看shard信息
mongos> sh.status()
--- Sharding Status ---
sharding version: {
"_id" : 1,
"minCompatibleVersion" : 5,
"currentVersion" : 6,
"clusterId" : ObjectId("56de6f4176b47beaa9c75e9d")
}
shards:
{ "_id" : "shard1_zxl", "host" : "shard1_zxl/192.168.42.41:10001,192.168.42.42:10001" }
{ "_id" : "shard2_zxl", "host" : "shard2_zxl/192.168.42.42:10002,192.168.42.43:10002" }
{ "_id" : "shard3_zxl", "host" : "shard3_zxl/192.168.42.41:10003,192.168.42.43:10003" }
active mongoses:
"3.2.3" : 3
balancer:
Currently enabled: yes
Currently running: no
Failed balancer rounds in last 5 attempts: 0
Migration Results for the last 24 hours:
No recent migrations
databases:查看分片狀態
mongos> db.runCommand( {listshards : 1 } )
{
"shards" : [
{
"_id" : "shard1_zxl",
"host" : "shard1_zxl/192.168.42.41:10001,192.168.42.42:10001"
},
{
"_id" : "shard2_zxl",
"host" : "shard2_zxl/192.168.42.42:10002,192.168.42.43:10002"
},
{
"_id" : "shard3_zxl",
"host" : "shard3_zxl/192.168.42.41:10003,192.168.42.43:10003"
}
],
"ok" : 1
}啟用shard分片的庫名字為'zxl'，即為庫
mongos> sh.enableSharding("zxl")
{ "ok" : 1 }設置集合的名字以及字段，默認自動建立索引，zxl庫，haha集合
mongos> sh.shardCollection("zxl.haha",{age: 1, name: 1})
{ "collectionsharded" : "zxl.haha", "ok" : 1 }模擬在haha集合中插入10000數據
mongos> for (i=1;i<=10000;i++) db.haha.insert({name: "user"+i, age: (i%150)})
WriteResult({ "nInserted" : 1 })可以使用上面mongos> sh.status()命令查看各個shard分片情況，以上就是復制集和shard分片搭建完成。
結果如下：
mongos> sh.status()
--- Sharding Status ---
sharding version: {
"_id" : 1,
"minCompatibleVersion" : 5,
"currentVersion" : 6,
"clusterId" : ObjectId("56de6f4176b47beaa9c75e9d")
}
shards:
{ "_id" : "shard1_zxl", "host" : "shard1_zxl/192.168.42.41:10001,192.168.42.42:10001" }
{ "_id" : "shard2_zxl", "host" : "shard2_zxl/192.168.42.42:10002,192.168.42.43:10002" }
{ "_id" : "shard3_zxl", "host" : "shard3_zxl/192.168.42.41:10003,192.168.42.43:10003" }
active mongoses:
"3.2.3" : 3
balancer:
Currently enabled: yes
Currently running: no
Failed balancer rounds in last 5 attempts: 0
Migration Results for the last 24 hours:
2 : Success
databases:
{ "_id" : "zxl", "primary" : "shard3_zxl", "partitioned" : true }
zxl.hahashard key: { "age" : 1, "name" : 1 }
unique: false
balancing: true
chunks:
shard1_zxl1
shard2_zxl1
shard3_zxl1
{ "age" : { "$minKey" : 1 }, "name" : { "$minKey" : 1 } } -->> { "age" : 2, "name" : "user2" } on : shard1_zxl Timestamp(2, 0)
{ "age" : 2, "name" : "user2" } -->> { "age" : 22, "name" : "user22" } on : shard2_zxl Timestamp(3, 0)
{ "age" : 22, "name" : "user22" } -->> { "age" : { "$maxKey" : 1 }, "name" : { "$maxKey" : 1 } } on : shard3_zxl Timestamp(3, 1)以上就是mongodb3.2復制集和shard分片搭建就此完成.有什么疑問可以給我留言，看到第一時間解決。
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