Mongodb -(3) replica set+sharding
分片集搭建
?????????????????? ---何旭東
目錄
分片集搭建...................................................................................................................... 1
生態系統.......................................................................................................................... 2
環境介紹.......................................................................................................................... 2
需求.......................................................................................................................... 2
實際拓撲................................................................................................................... 2
機器端口................................................................................................................... 2
機器功能................................................................................................................... 3
機器IP...................................................................................................................... 3
基礎環境................................................................................................................... 4
配置文件.......................................................................................................................... 4
機器一...................................................................................................................... 4
機器二...................................................................................................................... 6
機器三...................................................................................................................... 8
啟動................................................................................................................................. 9
第一臺..................................................................................................................... 10
第二臺..................................................................................................................... 10
第三臺..................................................................................................................... 10
啟動路由........................................................................................................................ 10
第一臺初始化分片及結果......................................................................................... 10
第二臺初始化分片及結果......................................................................................... 12
第三臺機器添加分片................................................................................................ 13
切分數據.......................................................................................................... 13
結果查看........................................................................................................................ 13
第一個片................................................................................................................. 14
第二個片................................................................................................................. 16
優化............................................................................................................................... 18
常用命令行..................................................................................................................... 18
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http://shanqiangwu.blog.51cto.com/8067564/1653968
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感謝
感謝大家的幫助及引到，碰到問題不要用百度。找資料去些運維網站
???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? 官網網站
2015年7月17日
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生態系統
數據服務節點（mongod）
路由節點（mongos）
配置節點（mongod）--config server
投票節點/表決節點（mongod） --arbiter server
環境介紹
需求
三臺機器
數據節點，sharding 2片
每個sharding為Replic Set方式，冗余度3（主、從、延遲從）
mongos（路由節點），數量3
config server(配置服務器節點)，數量3
arbiter server(表決節點)，數量6
實際拓撲
? ? ? ? ? ? ? ? ? ? ??
機器端口
機器 | 數據節點 | 配置節點 | 表決節點 | 路由節點 | ||
第一臺 | shard11:28017 | shard21:28018 | config1:20000 | arbiter1:28031 | arbiter2:28032 | mongos1: 28885 |
第二臺 | shard12:28017 | Shard22:28018 | config2:20000 | arbiter1:28031 | arbiter2:28032 | mongos2:28885 |
第三臺 | shard13:28017 | Shard23:28018 | config3:20000 | arbiter1:28031 | arbiter2:28032 | mongos3: 28885 |
?
機器功能
?
機器 | 端口 | 功能 |
192.168.200.185 | 28017 | 'shard1'? ?PRIMARY |
主機：mongohost1 | 28018 | ‘shard2’? ?SECONDARY |
20000 | 配置節點 | |
28031 | 'shard1'? ?ARBITER | |
28032 | ‘shard2’? ?ARBITER | |
28885 | 路由節點 | |
41000 | 啟動路由 ?生成此端口 | |
192.168.200.186 | 28017 | 'shard1'? ?SECONDARY |
主機：mongohost2 | 28018 | ‘shard2’? ?PRIMARY |
20000 | 配置節點 | |
28031 | 'shard1'? ?ARBITER | |
28032 | ‘shard2’? ?ARBITER | |
28885 | 路由節點 | |
41000 | 啟動路由 ?生成此端口 | |
192.168.200.187 | 28017 | 'shard1'? ?SECONDARY |
主機：mongohost3 | 28018 | ‘shard2’? ?SECONDARY |
20000 | 配置節點 | |
28031 | 'shard1'? ?ARBITER | |
28032 | ‘shard2’? ?ARBITER | |
28885 | 路由節點 | |
41000 | 啟動路由 ?生成此端口 |
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機器IP
機器 | IP地址 | 主機名 |
第一臺 | 192.168.200.185 | mongohost1 |
第二臺 | 192.168.200.185 | mongohost2 |
第三臺 | 192.168.200.187 | mongohost3 |
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基礎環境
iptables 關閉
selinux?關閉
hosts?地址表添加
配置文件
機器一
mkdir /usr/local/mongodb/shard11
mkdir /usr/local/mongodb/shard21
mkdir /usr/local/mongodb/arbiter1
mkdir /usr/local/mongodb/arbiter2/
mkdir /usr/local/mongodb/config/
mkdir /usr/local/mongodb/logs/
?
?
cat > /etc/shard11.conf <<EOF
shardsvr=true
port=28017
dbpath = /usr/local/mongodb/shard11/
logpath = /usr/local/mongodb/logs/shard11.log
logappend=true
fork=true
nojournal=true
rest=true
replSet=shard1
oplogSize=2048
EOF
?
cat > /etc/shard21.conf <<EOF
shardsvr=true
port=28018
dbpath = /usr/local/mongodb/shard21/
logpath =/usr/local/mongodb/logs/shard21.log
logappend=true
fork=true
nojournal=true
rest=true
replSet=shard2
oplogSize=2048
EOF
?
cat > /etc/config1.conf <<EOF
configsvr=true
port=20000
dbpath = /usr/local/mongodb/config/
logpath =/usr/local/mongodb/logs/config1.log
logappend=true
fork=true
nojournal=true
EOF
?
cat > /etc/arbiter1.conf <<EOF
shardsvr=true
replSet=shard1
port=28031
dbpath = /usr/local/mongodb/arbiter1/
logpath =/usr/local/mongodb/logs/arbiter1.log
oplogSize=100
logappend=true
fork=true
nojournal=true
rest=true
EOF
?
cat > /etc/arbiter2.conf <<EOF
shardsvr=true
replSet=shard2
port=28032
dbpath = /usr/local/mongodb/arbiter2/
logpath =/usr/local/mongodb/logs/arbiter2.log
oplogSize=100
logappend=true
fork=true
nojournal=true
rest=true
EOF
?
cat > /etc/mongos1.conf <<EOF
configdb=mongohost1:20000,mongohost2:20000,mongohost3:20000
chunkSize=100
port=28885
logpath =/usr/local/mongodb/logs/mongos1.log
logappend=true
fork=true
EOF
?
?
機器二
mkdir /usr/local/mongodb/shard12
mkdir /usr/local/mongodb/shard22
mkdir /usr/local/mongodb/arbiter1/
mkdir /usr/local/mongodb/arbiter2/
mkdir /usr/local/mongodb/cofig/
mkdir /usr/local/mongodb/logs/
?
?
cat > /etc/shard12.conf <<EOF
shardsvr=true
port=28017
dbpath = /usr/local/mongodb/shard12/
logpath = /usr/local/mongodb/logs/shard12.log
logappend=true
fork=true
nojournal=true
rest=true
replSet=shard1
oplogSize=2048
EOF
?
cat > /etc/shard22.conf <<EOF
shardsvr=true
port=28018
dbpath = /usr/local/mongodb/shard22/
logpath = /usr/local/mongodb/logs/shard22.log
logappend=true
fork=true
nojournal=true
rest=true
replSet=shard2
oplogSize=2048
EOF
?
cat > /etc/config2.conf <<EOF
configsvr=true
port=20000
dbpath = /usr/local/mongodb/config/
logpath = /usr/local/mongodb/logs/config2.log
logappend=true
fork=true
nojournal=true
EOF
?
cat > /etc/arbiter1.conf <<EOF
shardsvr=true
replSet=shard1
port=28031
dbpath = /usr/local/mongodb/arbiter1/
logpath =/usr/local/mongodb/logs/arbiter1.log
oplogSize=100
logappend=true
fork=true
nojournal=true
rest=true
EOF
?
cat > /etc/arbiter2.conf <<EOF
shardsvr=true
replSet=shard2
port=28032
dbpath = /usr/local/mongodb/arbiter2/
logpath =/usr/local/mongodb/logs/arbiter2.log
oplogSize=100
logappend=true
fork=true
nojournal=true
rest=true
EOF
?
cat > /etc/mongos2.conf <<EOF
configdb=mongohost1:20000,mongohost2:20000,mongohost3:20000
chunkSize=100
port=28885
logpath = /usr/local/mongodb/logs/mongos2.log
logappend=true
fork=true
EOF
?
機器三
mkdir /usr/local/mongodb/shard13
mkdir /usr/local/mongodb/shard23
mkdir /usr/local/mongodb/arbiter1/
mkdir /usr/local/mongodb/arbiter2/
mkdir /usr/local/mongodb/cofig/
mkdir /usr/local/mongodb/logs/
?
cat > /etc/shard13.conf <<EOF
shardsvr=true
port=28017
dbpath = /usr/local/mongodb/shard13/
logpath = /usr/local/mongodb/logs/shard13.log
logappend=true
fork=true
nojournal=true
rest=true
replSet=shard1
oplogSize=2048
EOF
?
cat > /etc/shard23.conf <<EOF
shardsvr=true
port=28018
dbpath = /usr/local/mongodb/shard23/
logpath = /usr/local/mongodb/logs/shard23.log
logappend=true
fork=true
nojournal=true
rest=true
replSet=shard2
oplogSize=2048
EOF
?
cat > /etc/config3.conf <<EOF
configsvr=true
port=20000
dbpath = /usr/local/mongodb/config/
logpath = /usr/local/mongodb/logs/config3.log
logappend=true
fork=true
nojournal=true
EOF
?
cat > /etc/arbiter1.conf <<EOF
shardsvr=true
replSet=shard1
port=28031
dbpath = /usr/local/mongodb/arbiter1/
logpath =/usr/local/mongodb/logs/arbiter1.log
oplogSize=100
logappend=true
fork=true
nojournal=true
rest=true
EOF
?
cat > /etc/arbiter2.conf <<EOF
shardsvr=true
replSet=shard2
port=28032
dbpath = /usr/local/mongodb/arbiter2/
logpath =/usr/local/mongodb/logs/arbiter2.log
oplogSize=100
logappend=true
fork=true
nojournal=true
rest=true
EOF
?
cat > /etc/mongos3.conf <<EOF
configdb=mongohost1:20000,mongohost2:20000,mongohost3:20000
chunkSize=100
port=28885
logpath = /usr/local/mongodb/logs/mongos3.log
logappend=true
fork=true
EOF
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啟動
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第一臺
mongod -f /etc/shard11.conf
mongod -f /etc/shard21.conf
mongod -f /etc/arbiter1.conf
mongod -f /etc/arbiter2.conf
mongod -f /etc/config1.conf
mongos -f /etc/mongos1.conf
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第二臺
mongod -f /etc/shard12.conf
mongod -f /etc/shard22.conf
mongod -f /etc/arbiter1.conf
mongod -f /etc/arbiter2.conf
mongod -f /etc/config2.conf
mongos -f /etc/mongos2.conf
?
第三臺
mongod -f /etc/shard13.conf
mongod -f /etc/shard23.conf
mongod -f /etc/arbiter1.conf
mongod -f /etc/arbiter2.conf
mongod -f /etc/config3.conf
mongos -f /etc/mongos3.conf
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啟動路由
mongos --configdb mongohost3:20000,mongohost2:20000,mongohost1:20000--port 41000 --chunkSize 100 --logpath /usr/local/mongodb/logs/mongos.log--logappend --fork
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第一臺初始化分片及結果
mongo mongohost1:28017/admin
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> config = {_id:'shard1', members:[{_id: 0, host: 'mongohost1:28017'},{_id: 1, host: 'mongohost2:28017'},{"_id" : 2,"host":"mongohost3:28017",slaveDelay :7200 ,priority:0},{_id: 3, host: 'mongohost1:28031', arbiterOnly : true},{_id:4, host: 'mongohost2:28031', arbiterOnly : true},{_id: 5, host:'mongohost3:28031', arbiterOnly : true}]};
{
???????"_id" : "shard1",
???????"members" : [
??????????????? {
??????????????????????? "_id" : 0,
??????????????????????? "host" :"mongohost1:28017"
??????????????? },
??????????????? {
??????????????????????? "_id" : 1,
??????????????????????? "host" :"mongohost2:28017"
??????????????? },
??????????????? {
??????????????????????? "_id" : 2,
??????????????????????? "host" :"mongohost3:28017",
??????????????????????? "slaveDelay": 7200,
??????????????????????? "priority" :0
??????????????? },
??????????????? {
??????????????????????? "_id" : 3,
??????????????????????? "host" :"mongohost1:28031",
??????????????????????? "arbiterOnly": true
??????????????? },
??????????????? {
??????????????????????? "_id" : 4,
???????????????????????"host" :"mongohost2:28031",
??????????????????????? "arbiterOnly": true
??????????????? },
??????????????? {
??????????????????????? "_id" : 5,
??????????????????????? "host" :"mongohost3:28031",
??????????????????????? "arbiterOnly": true
??????????????? }
???????]
}
> rs.initiate(config);
{
???????"info" : "Config now saved locally.? Should come online in about a minute.",
???????"ok" : 1
}
>?
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第二臺初始化分片及結果
mongo mongohost2:28018/admin
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> config = {_id:'shard2', members:[{_id: 0, host: 'mongohost2:28018'},{_id: 1, host: 'mongohost1:28018'},{"_id" : 2,"host":"mongohost3:28018",slaveDelay :7200 ,priority:0},{_id: 3, host: 'mongohost1:28032', arbiterOnly : true},{_id:4, host: 'mongohost2:28032', arbiterOnly : true},{_id: 5, host:'mongohost3:28032', arbiterOnly : true}]};
{
???????"_id" : "shard2",
???????"members" : [
??????????????? {
??????????????????????? "_id" : 0,
??????????????????????? "host" :"mongohost2:28018"
????????????? ??},
??????????????? {
??????????????????????? "_id" : 1,
??????????????????????? "host" :"mongohost1:28018"
??????????????? },
??????????????? {
??????????????????????? "_id" : 2,
??????????????????????? "host" :"mongohost3:28018",
??????????????????????? "slaveDelay": 7200,
??????????????????????? "priority" :0
??????????????? },
??????????????? {
??????????????????????? "_id" : 3,
??????????????????????? "host" :"mongohost1:28032",
??????????????????????? "arbiterOnly": true
? ??????????????},
??????????????? {
??????????????????????? "_id" : 4,
??????????????????????? "host" :"mongohost2:28032",
??????????????????????? "arbiterOnly": true
??????????????? },
??????????????? {
??????????????????????? "_id" : 5,
??????????????? ????????"host" :"mongohost3:28032",
??????????????????????? "arbiterOnly": true
??????????????? }
???????]
}
> rs.initiate(config);
{
???????"info" : "Config now saved locally.? Should come online in about a minute.",
???????"ok" : 1
}
>?
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第三臺機器添加分片
[root@mongodb logs]# mongomongohost3:28885/admin
MongoDB shell version: 2.6.10
connecting to: mongohost3:28885/admin
mongos>db.runCommand({"addshard" :"shard1/mongohost1:28017,mongohost2:28017"})
{ "shardAdded" :"shard1", "ok" : 1 }
mongos> db.runCommand({"addshard": "shard2/mongohost2:28018,mongohost1:28018"})
{ "shardAdded" :"shard2", "ok" : 1 }
mongos>
切分數據
db.runCommand({ "enablesharding" : "im_offline_msg"})
db.runCommand({ shardcollection : "step.step",key : {_id: 1} } )
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db.runCommand( { "enablesharding": "xx"})? 開啟庫的分片功能
db.runCommand( { shardcollection :"xx",key : {_id: 1} } )開啟表的分片功能，key表示shard key
結果查看
mongos> db.printShardingStatus();
--- Sharding Status ---
?sharding version: {
???????"_id" : 1,
???????"version" : 4,
???????"minCompatibleVersion" : 4,
???????"currentVersion" : 5,
???????"clusterId" : ObjectId("55ac8d1e55715e4e18194a14")
}
?shards:
???????{? "_id" :"shard1",? "host" :"shard1/mongohost1:28017,mongohost2:28017" }
???????{? "_id" :"shard2",? "host" :"shard2/mongohost1:28018,mongohost2:28018" }
?databases:
???????{? "_id" :"admin",?"partitioned" : false,?"primary" : "config" }
???????{? "_id" :"im_offline_msg",?"partitioned" : true,?"primary" : "shard1" }
???????{? "_id" :"step",?"partitioned" : false,?"primary" : "shard1" }
?
mongos>
第一個片
shard1:PRIMARY> rs.status()
{
???????"set" : "shard1",
???????"date" : ISODate("2015-07-17T11:11:12Z"),
???????"myState" : 1,
???????"members" : [
?????????????? ?{
??????????????????????? "_id" : 0,
??????????????????????? "name" :"mongohost1:28017",
??????????????????????? "health" : 1,
??????????????????????? "state" : 1,
??????????????????????? "stateStr" :"PRIMARY",
??????????????????????? "uptime" :4498,
??????????????????????? "optime" :Timestamp(1437129067, 2418),
??????????????????????? "optimeDate": ISODate("2015-07-17T10:31:07Z"),
???????????????????????"electionTime" : Timestamp(1437127220, 1),
???????????????????????"electionDate" : ISODate("2015-07-17T10:00:20Z"),
??????????????????????? "self" : true
??????????????? },
??????????????? {
??????????????????????? "_id" : 1,
??????????????????????? "name" :"mongohost2:28017",
??????????????????????? "health" : 1,
??????????????????????? "state" : 2,
??????????????????????? "stateStr" :"SECONDARY",
??????????????????????? "uptime" :4262,
??????????????????????? "optime" :Timestamp(1437129067, 2418),
??????????????????????? "optimeDate": ISODate("2015-07-17T10:31:07Z"),
???????????????????????"lastHeartbeat" : ISODate("2015-07-17T11:11:11Z"),
???????????????????????"lastHeartbeatRecv" :ISODate("2015-07-17T11:11:10Z"),
??????????????????????? "pingMs" : 0,
??????????????????????? "syncingTo" :"mongohost1:28017"
??????????????? },
??????????????? {
??????????????????????? "_id" : 2,
??????????????????????? "name" :"mongohost3:28017",
??????????????????????? "health" : 1,
??????????????????????? "state" : 2,
??????????????????????? "stateStr" :"SECONDARY",
???? ???????????????????"uptime" : 4262,
??????????????????????? "optime" :Timestamp(1437127210, 1),
??????????????????????? "optimeDate": ISODate("2015-07-17T10:00:10Z"),
???????????????????????"lastHeartbeat" : ISODate("2015-07-17T11:11:11Z"),
???????????????????????"lastHeartbeatRecv" :ISODate("2015-07-17T11:11:11Z"),
??????????????????????? "pingMs" : 0,
??????????????????????? "syncingTo" :"mongohost1:28017"
??????????????? },
??????????????? {
??????????????????????? "_id" : 3,
??????????????????????? "name" :"mongohost1:28031",
??????????????????????? "health" : 1,
??????????????????????? "state" : 7,
??????????????????????? "stateStr" :"ARBITER",
??????????????????????? "uptime" :4262,
???????????????????????"lastHeartbeat" : ISODate("2015-07-17T11:11:12Z"),
???????????????????????"lastHeartbeatRecv" :ISODate("2015-07-17T11:11:12Z"),
??????????????????????? "pingMs" : 0
??????????????? },
??????????????? {
??????????????????????? "_id" : 4,
??????????????????????? "name" :"mongohost2:28031",
??????????????????????? "health" : 1,
??????????????????????? "state" : 7,
??????????????????????? "stateStr" :"ARBITER",
??????????????????????? "uptime" :4262,
???????????????????????"lastHeartbeat" : ISODate("2015-07-17T11:11:11Z"),
???????????????????????"lastHeartbeatRecv" :ISODate("2015-07-17T11:11:11Z"),
??????????????????????? "pingMs" : 0
??????????????? },
??????????????? {
??????????????????????? "_id" : 5,
??????????????????????? "name" :"mongohost3:28031",
???????????????????????"health" :1,
??????????????????????? "state" : 7,
??????????????????????? "stateStr" :"ARBITER",
??????????????????????? "uptime" :4260,
???????????????????????"lastHeartbeat" : ISODate("2015-07-17T11:11:11Z"),
???????????????????????"lastHeartbeatRecv" :ISODate("2015-07-17T11:11:11Z"),
??????????????????????? "pingMs" : 0
??????????????? }
???????],
???????"ok" : 1
}
shard1:PRIMARY>
第二個片
shard2:SECONDARY> rs.status()
{
???????"set" : "shard2",
???????"date" : ISODate("2015-07-17T11:09:51Z"),
???????"myState" : 2,
???????"syncingTo" : "mongohost2:28018",
???????"members" : [
??????????????? {
??????????????????????? "_id" : 0,
??????????????????????? "name" :"mongohost2:28018",
??????????????????????? "health" : 1,
??????????????????????? "state" : 1,
??????????????????????? "stateStr" :"PRIMARY",
??????????????????????? "uptime" :4074,
??????????????????????? "optime" :Timestamp(1437127314, 1),
??????????????????????? "optimeDate": ISODate("2015-07-17T10:01:54Z"),
???????????????????????"lastHeartbeat" : ISODate("2015-07-17T11:09:51Z"),
???????????????????????"lastHeartbeatRecv" :ISODate("2015-07-17T11:09:50Z"),
??????????????????????? "pingMs" : 0,
???????????????????????"electionTime" : Timestamp(1437127325, 1),
???????????????????????"electionDate" : ISODate("2015-07-17T10:02:05Z")
??????????????? },
??????????????? {
??????????????????????? "_id" : 1,
??????????????????????? "name" :"mongohost1:28018",
??????????????????????? "health" : 1,
??????????????????????? "state" : 2,
??????????????????????? "stateStr" :"SECONDARY",
??????????????????????? "uptime" :14970,
??????????????????????? "optime" :Timestamp(1437127314, 1),
?????????????????? ?????"optimeDate" :ISODate("2015-07-17T10:01:54Z"),
??????????????????????? "self" : true
??????????????? },
??????????????? {
??????????????????????? "_id" : 2,
??????????????????????? "name" :"mongohost3:28018",
??????????????????????? "health" : 1,
? ??????????????????????"state" : 2,
??????????????????????? "stateStr" :"SECONDARY",
??????????????????????? "uptime" :4074,
??????????????????????? "optime" :Timestamp(1437127314, 1),
??????????????????????? "optimeDate": ISODate("2015-07-17T10:01:54Z"),
???????????????????????"lastHeartbeat" : ISODate("2015-07-17T11:09:51Z"),
???????????????????????"lastHeartbeatRecv" :ISODate("2015-07-17T11:09:50Z"),
??????????????????????? "pingMs" : 0,
??????????????????????? "syncingTo" :"mongohost2:28018"
??? ????????????},
??????????????? {
??????????????????????? "_id" : 3,
??????????????????????? "name" :"mongohost1:28032",
??????????????????????? "health" : 1,
??????????????????????? "state" : 7,
??????????????????????? "stateStr" :"ARBITER",
??????????????????????? "uptime" :4076,
???????????????????????"lastHeartbeat" : ISODate("2015-07-17T11:09:50Z"),
???????????????????????"lastHeartbeatRecv" :ISODate("2015-07-17T11:09:51Z"),
??????????????????????? "pingMs" : 0
??????????????? },
???? ???????????{
??????????????????????? "_id" : 4,
??????????????????????? "name" :"mongohost2:28032",
??????????????????????? "health" : 1,
??????????????????????? "state" : 7,
??????????????????????? "stateStr" :"ARBITER",
??????????????????????? "uptime" :4074,
???????????????????????"lastHeartbeat" : ISODate("2015-07-17T11:09:51Z"),
???????????????????????"lastHeartbeatRecv" :ISODate("2015-07-17T11:09:51Z"),
??????????????????????? "pingMs" : 0
??????????????? },
??????????????? {
?????????????????? ?????"_id" : 5,
??????????????????????? "name" :"mongohost3:28032",
??????????????????????? "health" : 1,
??????????????????????? "state" : 7,
??????????????????????? "stateStr" :"ARBITER",
??????????????????????? "uptime" :4074,
?????????????????????? ?"lastHeartbeat" :ISODate("2015-07-17T11:09:51Z"),
???????????????????????"lastHeartbeatRecv" :ISODate("2015-07-17T11:09:51Z"),
??????????????????????? "pingMs" : 0
??????????????? }
???????],
???????"ok" : 1
}
shard2:SECONDARY>
優化
優化內存策略
echo 0 > /proc/sys/vm/zone_reclaim_mode
vi /proc/sys/vm/zone_reclaim_mode
sysctl -w vm.zone_reclaim_mode=0
?
?
常用命令行
mongod :MonoDB 服務端
mongo ：MongoDB 客戶端
mongoimport： 數據庫導入工具
mongoexport ： 數據導出工具
mongodump ： 數據庫備份工具
mongorestore： 數據庫恢復工具
mongofiles ： GridFS管理工具，可實現對二進制文件的存取
mongostat ： 性能分析工具，類似與vmstat
mongotop ：性能分析工具，查看mongodb實例讀寫時間花費
mongoperf ：性能分析工具 ，磁盤性能檢查工具
mongos ： MongoDB集群工具
轉載于:https://blog.51cto.com/hexudong/1677040
總結
以上是生活随笔為你收集整理的Mongodb -(3) replica set+sharding的全部內容，希望文章能夠幫你解決所遇到的問題。
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