【Mongodb】分片复制集环境添加新的分片
1.每个节点上分别创建新的shard3配置文件
2. 每个节点启动shard3 服务
3.登陆第一个节点，搭建shard3的复制集
4.登陆第一个节点的mongs端口，将shard3分片加入分片组
5、设置均衡器
当前文章：【Mongodb】分片复制集环境添加新的分片
链接URL：http://hbruida.cn/article/jocegh.html
-
[root@ip-10-1-2-68 etc]# more shard3.conf
-
logpath=/usr/local/MongoDB/logs/mongo_shard3.log
-
logappend=true # need logrotae scripts
-
fork=true
-
journal=true
-
port=27017
-
#vvvvv = true
-
#diaglog = 3
-
dbpath=/usr/local/mongodb/shard3
-
pidfilepath=/usr/local/mongodb/logs/mongo_shard3.pid
-
bind_ip=10.1.2.68 ---bind ip 修改为自己的机器
-
replSet=shard3
- shardsvr=true
2. 每个节点启动shard3 服务
- [root@ip-10-1-2-68 etc]# /usr/local/mongodb/bin/mongod -f shard3.conf
3.登陆第一个节点，搭建shard3的复制集
-
[root@ip-10-1-2-32 etc]# /usr/local/mongodb/bin/mongo 10.1.2.32:27017
-
MongoDB shell version v3.6.4
-
connecting to: mongodb://10.1.2.32:27017/test
-
MongoDB server version: 3.6.4
-
Server has startup warnings:
-
2018-05-08T03:26:23.290+0000 I CONTROL [initandlisten]
-
2018-05-08T03:26:23.290+0000 I CONTROL [initandlisten] ** WARNING: Access control is not enabled for the database.
-
2018-05-08T03:26:23.290+0000 I CONTROL [initandlisten] ** Read and write access to data and configuration is unrestricted.
-
2018-05-08T03:26:23.290+0000 I CONTROL [initandlisten] ** WARNING: You are running this process as the root user, which is not recommended.
-
2018-05-08T03:26:23.290+0000 I CONTROL [initandlisten]
-
2018-05-08T03:26:23.290+0000 I CONTROL [initandlisten]
-
2018-05-08T03:26:23.290+0000 I CONTROL [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/enabled is 'always'.
-
2018-05-08T03:26:23.290+0000 I CONTROL [initandlisten] ** We suggest setting it to 'never'
-
2018-05-08T03:26:23.290+0000 I CONTROL [initandlisten]
-
2018-05-08T03:26:23.290+0000 I CONTROL [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/defrag is 'always'.
-
2018-05-08T03:26:23.290+0000 I CONTROL [initandlisten] ** We suggest setting it to 'never'
-
2018-05-08T03:26:23.290+0000 I CONTROL [initandlisten]
-
> config_rs3 = {_id: 'shard3', members: [{_id: 0, host: '10.1.2.32:27017', priority:1}, {_id: 1, host: '10.1.2.68:27017'},{_id: 2, host: '10.1.2.175:27017'}]}
-
{
-
"_id" : "shard3",
-
"members" : [
-
{
-
"_id" : 0,
-
"host" : "10.1.2.32:27017",
-
"priority" : 1
-
},
-
{
-
"_id" : 1,
-
"host" : "10.1.2.68:27017"
-
},
-
{
-
"_id" : 2,
-
"host" : "10.1.2.175:27017"
-
}
-
]
-
}
-
> rs.initiate(config_rs3);
- { "ok" : 1 }
4.登陆第一个节点的mongs端口，将shard3分片加入分片组
-
[root@ip-10-1-2-32 etc]# /usr/local/mongodb/bin/mongo 10.1.2.32:30000
-
MongoDB shell version v3.6.4
-
connecting to: mongodb://10.1.2.32:30000/test
-
MongoDB server version: 3.6.4
-
Server has startup warnings:
-
2018-05-03T07:47:09.379+0000 I CONTROL [main]
-
2018-05-03T07:47:09.379+0000 I CONTROL [main] ** WARNING: Access control is not enabled for the database.
-
2018-05-03T07:47:09.379+0000 I CONTROL [main] ** Read and write access to data and configuration is unrestricted.
-
2018-05-03T07:47:09.379+0000 I CONTROL [main] ** WARNING: You are running this process as the root user, which is not recommended.
-
2018-05-03T07:47:09.379+0000 I CONTROL [main]
-
-
mongos> use admin;
-
switched to db admin
-
mongos> db.runCommand({ addshard: 'shard3/10.1.2.32:27017,10.1.2.68:27017,10.1.2.175:27017'})
-
{
-
"shardAdded" : "shard3",
-
"ok" : 1,
-
"$clusterTime" : {
-
"clusterTime" : Timestamp(1525750332, 7),
-
"signature" : {
-
"hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="),
-
"keyId" : NumberLong(0)
-
}
-
},
-
"operationTime" : Timestamp(1525750332, 7)
-
}
-
mongos> db.printShardingStatus(); ---查看新的分片信息
-
--- Sharding Status ---
-
sharding version: {
-
"_id" : 1,
-
"minCompatibleVersion" : 5,
-
"currentVersion" : 6,
-
"clusterId" : ObjectId("5aeabc4db192a4fefca1c888")
-
}
-
shards:
-
{ "_id" : "shard1", "host" : "shard1/10.1.2.175:27019,10.1.2.32:27019,10.1.2.68:27019", "state" : 1 }
-
{ "_id" : "shard2", "host" : "shard2/10.1.2.175:27018,10.1.2.32:27018,10.1.2.68:27018", "state" : 1 }
-
{ "_id" : "shard3", "host" : "shard3/10.1.2.175:27017,10.1.2.32:27017,10.1.2.68:27017", "state" : 1 }
-
active mongoses:
-
"3.6.4" : 3
-
autosplit:
-
Currently enabled: yes
-
balancer:
-
Currently enabled: yes
-
Currently running: no
-
Failed balancer rounds in last 5 attempts: 0
-
Migration Results for the last 24 hours:
-
No recent migrations
-
databases:
-
{ "_id" : "config", "primary" : "config", "partitioned" : true }
-
config.system.sessions
-
shard key: { "_id" : 1 }
-
unique: false
-
balancing: true
-
chunks:
-
shard1 1
-
{ "_id" : { "$minKey" : 1 } } -->> { "_id" : { "$maxKey" : 1 } } on : shard1 Timestamp(1, 0)
-
{ "_id" : "test", "primary" : "shard2", "partitioned" : true }
-
test.users
-
shard key: { "_id" : 1 }
-
unique: false
-
balancing: true
-
chunks:
-
shard2 1
- { "_id" : { "$minKey" : 1 } } -->> { "_id" : { "$maxKey" : 1 } } on : shard2 Timestamp(1, 0)
5、设置均衡器
-
# 查看状态
-
-
mongos> sh.isBalancerRunning();
-
-
false
-
-
-
-
-
# 设置均衡器
-
-
mongos> sh.setBalancerState(true);
-
-
mongos> sh.enableBalancing("bg")
-
mongos> sh.getBalancerState()
true
-
# 查看状态
-
-
mongos> sh.isBalancerRunning();
-
-
false
-
-
-
-
-
# 设置均衡器
-
-
mongos> sh.setBalancerState(true);
-
- mongos> sh.enableBalancing("bg")
-
mongos> sh.getBalancerState()
true
参考：https://docs.mongodb.com/manual/reference/method/sh.getBalancerState/
10年的横山网站建设经验，针对设计、前端、开发、售后、文案、推广等六对一服务，响应快，48小时及时工作处理。成都营销网站建设的优势是能够根据用户设备显示端的尺寸不同，自动调整横山建站的显示方式，使网站能够适用不同显示终端，在浏览器中调整网站的宽度，无论在任何一种浏览器上浏览网站，都能展现优雅布局与设计，从而大程度地提升浏览体验。创新互联从事“横山网站设计”,“横山网站推广”以来，每个客户项目都认真落实执行。
当前文章：【Mongodb】分片复制集环境添加新的分片
链接URL：http://hbruida.cn/article/jocegh.html
