Replica Set + sharding搭建mongodb集群

先上几个用到的yaml文件，以后有时间了再更新，我是借鉴的https://blog.csdn.net/zeroctu/article/details/71082168，本人按照上面的搭建，是可行的，不过一定要注意搭建的mongodb版本，不要选3.2，如果要用 sharding，一定要选用3.4以上版本，不然分片无效。

systemLog:
  destination: file
  path: "/usr/local/mongodb/instance/mongos/log/mongos.log"
net:
  port: 27017
processManagement:
  fork: true
sharding:
  configDB: cfgSet/10.74.20.40:27019,10.74.20.14:27019,10.74.20.13:27019

cfg = {
 _id: "shard01",
 members:[
 {
  _id: 0,
  host: "10.74.20.40:27018",
  priority: 3
 },
 {
  _id: 1,
  host: "10.74.20.14:27018",
  priority: 2
 },
 {
  _id: 2,
  host: "10.74.20.13:27018",
  arbiterOnly: true
 }
 ]
}

cfg = {
 _id: "shard02",
 members:[
 {
  _id: 0,
  host: "10.74.20.40:27118",
  arbiterOnly: true
 },
 {
  _id: 1,
  host: "10.74.20.14:27118",
  priority: 3
 },
 {
  _id: 2,
  host: "10.74.20.13:27118",
  priority: 2
 }
 ]
}

cfg = {
 _id: "shard03",
 members:[
 {
  _id: 0,
  host: "10.74.20.40:27218",
  priority: 2
 },
 {
  _id: 1,
  host: "10.74.20.14:27218",
  arbiterOnly: true
 },
 {
  _id: 2,
  host: "10.74.20.13:27218",
  priority: 3
 }
 ]
}

cfg =
{
 _id: "cfgSet",
 configsvr: true,
 members:[
 {
  _id: 0,
  host: "10.74.20.40:27019",
  priority: 3
 },
 {
  _id: 1,
  host: "10.74.20.14:27019",
  priority: 2
 },
 {
  _id: 2,
  host: "10.74.20.13:27019",
  priority: 1
 }
 ]
}

db.runCommand({addshard:"shard01/10.74.20.40:27018,10.74.20.14:27018,10.74.20.13:27018"})

db.runCommand({addshard:"shard02/10.74.20.40:27118,10.74.20.14:27118,10.74.20.13:27118"})

db.runCommand({addshard:"shard03/10.74.20.40:27218,10.74.20.14:27218,10.74.20.13:27218"})