Mongodb集群配置(sharding with replica set)

时间:2023-03-09 07:34:33
Mongodb集群配置(sharding with replica set)

转自:http://blog.csdn.net/zhangzhaokun/article/details/6269514

前言

最近在研习MongoDB集群,找到一个不错的例子,加了几句,按照自己的理解画了一个图,做个笔记。

该实验是在一台Windows机器下搭建了一个 Replica Sets + Sharding 测试集群环境,以此作为后续对于Mongodb更进一步调研的实验平台。

正文

只有一台windows机器,配置方案:

1、3个分片sharding
2、每一个分片由3个节点构成1主2备的Replica Sets
3、3个配置节点Configsever
4、1个路由节点Mongos 分片复制集A(三个分片节点构成一个复制集):
127.0.0.1: 127.0.0.1: 127.0.0.1: 分片复制集B(三个分片节点构成一个复制集):
127.0.0.1: 127.0.0.1: 127.0.0.1: 分片复制集C(三个分片节点构成一个复制集):
127.0.0.1: 127.0.0.1: 127.0.0.1: Configsvc(三个配置服务器节点):
127.0.0.1: 127.0.0.1: 127.0.0.1: mongos(一个路由节点):
127.0.0.1:

Mongodb集群配置(sharding with replica set)


详细操作步骤:

(1)下载mongodb-window 安装文件,将bin文件整个放置在D:/MongoDB目录下

(2)创建数据和日志文件目录

进入D:/MongoDB目录下创建如下目录:

 创建数据文件目录:
data/a/r0
data/a/r1
data/a/r2 data/b/r0
data/b/r1
data/b/r2 data/c/r0
data/c/r1
data/c/r2 data/configsvr/r0
data/configsvr/r1
data/configsvr/r2 创建日志文件目录:
logs/a
logs/b
logs/c
logs/configsvr

(3)创建分片和复制集

第一组:

mongod --logpath D:/MongoDB/logs/a/r0.log --logappend --dbpath D:/MongoDB/data/a/r0 --port  --shardsvr --replSet setA --rest  --oplogSize
mongod --logpath D:/MongoDB/logs/a/r1.log --logappend --dbpath D:/MongoDB/data/a/r1 --port --shardsvr --replSet setA --rest --oplogSize
mongod --logpath D:/MongoDB/logs/a/r2.log --logappend --dbpath D:/MongoDB/data/a/r2 --port --shardsvr --replSet setA --rest --oplogSize

启动上述分片节点之后,再使用mongo的命令行来初始化复制集:

D:/MongoDB/bin>call mongo 127.0.0.1:/admin
MongoDB shell version: 1.8.
connecting to: 127.0.0.1:/admin
> config={ _id:'setA',
members:[{_id: ,host:'127.0.0.1:10000'},
{_id:,host:'127.0.0.1:10001'},
{_id:,host:'127.0.0.1:10002'}]
}
{
"_id" : "setA",
"members" : [
{
"_id" : ,
"host" : "127.0.0.1:10000"
},{
"_id" : ,
"host" : "127.0.0.1:10001"
},{
"_id" : ,
"host" : "127.0.0.1:10002"
}] }
setA> rs.initiate(config);

第二组:

mongod --logpath D:/MongoDB/logs/b/r0.log --logappend --dbpath D:/MongoDB/data/b/r0 --port  --shardsvr --replSet setB --rest  --oplogSize
mongod --logpath D:/MongoDB/logs/b/r1.log --logappend --dbpath D:/MongoDB/data/b/r1 --port --shardsvr --replSet setB --rest --oplogSize
mongod --logpath D:/MongoDB/logs/b/r2.log --logappend --dbpath D:/MongoDB/data/b/r2 --port --shardsvr --replSet setB --rest --oplogSize

启动上述分片节点之后,再使用mongo的命令行来初始化复制集

D:/MongoDB/bin>call mongo 127.0.0.1:/admin
MongoDB shell version: 1.8.
connecting to: 127.0.0.1:/admin
> config={
_id: 'setB',
members:[
{_id:,host:'127.0.0.1:20000'},
{_id:,host:'127.0.0.1:20001'},
{_id:,host:'127.0.0.1:20002'}
]}
{
"_id" : "setB",
"members" : [
{
"_id" : ,
"host" : "127.0.0.1:20000"
},{
"_id" : ,
"host" : "127.0.0.1:20001"
},{
"_id" : ,
"host" : "127.0.0.1:20002"
}]
}
> rs.initiate(config);

第三组:

从命令行进入D:/MongoDB/bin目录,分别执行如下命令:

mongod --logpath D:/MongoDB/logs/c/r0.log --logappend --dbpath D:/MongoDB/data/c/r0 --port  --shardsvr --replSet setC --rest  --oplogSize
mongod --logpath D:/MongoDB/logs/c/r1.log --logappend --dbpath D:/MongoDB/data/c/r1 --port --shardsvr --replSet setC --rest --oplogSize
mongod --logpath D:/MongoDB/logs/c/r2.log --logappend --dbpath D:/MongoDB/data/c/r2 --port --shardsvr --replSet setC --rest --oplogSize

启动上述分片节点之后,再使用mongo的命令行来初始化复制集

D:/MongoDB/bin>call mongo 127.0.0.1:/admin
MongoDB shell version: 1.8.
connecting to: 127.0.0.1:/admin
> config={
_id: 'setC',
members:[
{_id: ,host:'127.0.0.1:30000'},
{_id:,host:'127.0.0.1:30001'},
{_id:,host:'127.0.0.1:30002'}
]}
{
"_id" : "setC",
"members" : [
{
"_id" : ,
"host" : "127.0.0.1:30000"
},{
"_id" : ,
"host" : "127.0.0.1:30001"
},{
"_id" : ,
"host" : "127.0.0.1:30002"
}
]
}
> rs.initiate(config);

(4)启动三个配置服务节点Configsvr:(从命令行分别执行如下命令,配置三个Configsvr)

cd D:/MongoDB/bin
call mongod --configsvr --logpath D:/MongoDB/logs/configsvr/r0.log --logappend --dbpath D:/MongoDB/data/configsvr/r0 --port --shardsvr cd D:/MongoDB/bin
call mongod --configsvr --logpath D:/MongoDB/logs/configsvr/r1.log --logappend --dbpath D:/MongoDB/data/configsvr/r1 --port --shardsvr cd D:/MongoDB/bin
call mongod --configsvr --logpath D:/MongoDB/logs/configsvr/r2.log --logappend --dbpath D:/MongoDB/data/configsvr/r2 --port --shardsvr

(5)启动一个路由节点mongos

cd D:/MongoDB/bin
call mongos --configdb 127.0.0.1:,127.0.0.1:,127.0.0.1: --logpath D:/MongoDB/logs/mongos.log --logappend --port

(6)配置分片

>cd D:/MongoDB/bin
D:/MongoDB/bin>call mongo 127.0.0.1:
MongoDB shell version: 1.8.
connecting to: 127.0.0.1:/test
>use admin
switched to db admin
> db.runCommand({addshard:"setA/127.0.0.1:10000,127.0.0.1:10001,127.0.0.1:10002",name:"ShardSetA"})
{ "shardAdded" : "ShardSetA", "ok" : }
> db.runCommand({addshard:"setB/127.0.0.1:20000,127.0.0.1:20001,127.0.0.1:20002",name:"ShardSetB"})
{ "shardAdded" : "ShardSetB", "ok" : }
> db.runCommand({addshard:"setC/127.0.0.1:30000,127.0.0.1:30001,127.0.0.1:30002",name:"ShardSetC"})
{ "shardAdded" : "ShardSetC", "ok" : }
>printShardingStatus() --- Sharding Status ---
sharding version: { "_id" : , "version" : }
shards:
{
"_id" : "ShardSetA",
"host" : "setA/127.0.0.1:10000,127.0.0.1:10001,127.0.0.1:10002"
}
{
"_id" : "ShardSetB",
"host" : "setB/127.0.0.1:20000,127.0.0.1:20001,127.0.0.1:20002"
}
{
"_id" : "ShardSetC",
"host" : "setC/127.0.0.1:30000,127.0.0.1:30001,127.0.0.1:30002"
}
databases:
{ "_id" : "admin", "partitioned" : false, "primary" : "config" }

配置到这里,集群搭建完毕!

在完成了集群的搭建工作之后,需要做的就是建立一个数据库,建立表,设置分片主键来初始化数据了:

查看分片:

db.runCommand( { listshards :  } )

数据库分片:

db.runCommand( { enablesharding : "test"} )

Collecton分片:

db.runCommand( { shardcollection : "test.person", key : {name : } } )

添加数据测试:

for (var i = ; i <= ; i++){
db.person.insert({"name":"jack"+i, "age":i});
}
db.printShardingStatus() (查看mongodb的数据分片情况)

读者:

撒花,恭喜你兄弟,如果没出意外的话,你已经完成了一个sample,吃枣吃枣哈........