MongoDB集群搭建及Sharding的实现思路

MongoDB集群搭建MongoDB的复制集群类型：·主从模式（master/slave）·副本集模式（replica set）副本及模式至少3个节点（一主二从），从节点负责复制主节点的oplog到本地并且应用到本地从而实现冗余。（·arbiter：仅参与选举，但不持有任何数据·0优先级：可以触发选举，但是不能被选举成为主节点·可以使用repiset来定义集群名称）------------------------------------------------------------------MongoDB 的详细介绍：请点这里
MongoDB 的下载地址：请点这里相关阅读：MongoDB备份与恢复 http://www.linuxidc.com/Linux/2012-07/64113.htmCentOS编译安装MongoDB http://www.linuxidc.com/Linux/2012-02/53834.htmCentOS 编译安装 MongoDB与mongoDB的php扩展 http://www.linuxidc.com/Linux/2012-02/53833.htmCentOS 6 使用 yum 安装MongoDB及服务器端配置 http://www.linuxidc.com/Linux/2012-08/68196.htmUbuntu 13.04下安装MongoDB2.4.3 http://www.linuxidc.com/Linux/2013-05/84227.htm如何在MongoDB中建立新数据库和集合 http://www.linuxidc.com/Linux/2013-06/85749.htmMongoDB入门必读（概念与实战并重） http://www.linuxidc.com/Linux/2013-07/87105.htm《MongoDB 权威指南》（MongoDB: The Definitive Guide）英文文字版[PDF] http://www.linuxidc.com/Linux/2012-07/66735.htm------------------------------------------------------------------1.编译安装MongDB准备环境：系统：Debian 7.2 64位mongodb：mongodb-linux-x86_64-2.4.5.tgz（官网有下）root@namenode1:/usr/local/tools# tar xfmongodb-linux-x86_64-2.4.5.tgz root@namenode1:/usr/local/tools# mv mongodb-linux-x86_64-2.4.5 /usr/local/
root@namenode1:/usr/local/tools# cd /usr/local/
root@namenode1:/usr/local# ln -s /usr/local/mongodb-linux-x86_64-2.4.5//usr/local/mongodbroot@namenode1:/usr/local# ll | grep mongo
lrwxrwxrwx 1 root staff 38 3月 17 15:35 mongodb ->/usr/local/mongodb-linux-x86_64-2.4.5/
drwxr-sr-x 3 root staff 4096 3月 17 15:08 mongodb-linux-x86_64-2.4.5#创建用户root@namenode1:~# groupadd -r mongod
root@namenode1:~# useradd -M -r -g mongod -d /data/db -s /bin/false -c mongodmongod#建立目录root@namenode1:~# mkdir -p /var/log/mongo/root@namenode1:~# mkdir -p /mongo/data
root@namenode1:~# chown mongod /mongo/data /var/log/mongo/ root@namenode1:~# ll /var/log/ | grep mongodrwxr-xr-x 2mongod root 4096 Mar 17 15:25mongo
root@namenode1:~# ll /mongo/
total 4
drwxr-xr-x 2 mongod root 4096 Mar 17 15:27 data#将LC_ALL="C"加入环境变量，以防启动出错root@namenode1:~# echo ‘export LC_ALL="C"’ >> /etc/profile#创建配置文件（将之前rpm包安装mongodb后的配置文件拷贝过来即可）root@namenode1:~# cat /etc/mongod.conf
# mongo.conf

#where to log
logpath=/var/log/mongo/mongod.log

logappend=true

# fork and run in background
fork = true

#port = 27017

dbpath=/mongo/data

# location of pidfile
pidfilepath = /var/run/mongodb/mongod.pid

# Disables write-ahead journaling
# nojournal = true

# Enables periodic logging of CPU utilization and I/O wait
#cpu = true

# Turn on/off security. Off is currently the default
#noauth = true
#auth = true

# Verbose logging output.
#verbose = true

# Inspect all client data for validity on receipt （useful for
# developing drivers）
#objcheck = true

# Enable db quota management
#quota = true

# Set oplogging level where n is
# 0=off （default）
# 1=W
# 2=R
# 3=both
# 7=W+some reads
#diaglog = 0

# Ignore query hints
#nohints = true

# Disable the HTTP interface （Defaults to localhost:27018）.
#nohttpinterface = true

# Turns off server-side scripting. This will result in greatly limited
# functionality
#noscripting = true

# Turns off table scans. Any query that would do a table scan fails.
#notablescan = true

# Disable data file preallocation.
#noprealloc = true

# Specify .ns file size for new databases.
# nssize = <size>

# Accout token for Mongo monitoring server.
#mms-token = <token>

# Server name for Mongo monitoring server.
#mms-name = <server-name>

# Ping interval for Mongo monitoring server.
#mms-interval = <seconds>

# Replication Options

# in replicated mongo databases, specify here whether this is a slave or master
#slave = true
#source = master.example.com
# Slave only: specify a single database to replicate
#only = master.example.com
# or
#master = true
#source = slave.example.com启动mongodbexport LC_ALL="C"root@namenode2:/usr/local/mongodb/bin# mongod -f /etc/mongod.conf 2.安装RockmongoRockMongo 是一个PHP5写的MongoDB管理工具。主要特征:使用宽松的New BSD License协议，速度快，安装简单，与mysql的phpmyadmin相似root@namenode1:~# apt-get install apache2 php5 php5-dev php5-cliroot@namenode1:/etc/apache2# cd /var/www/
root@namenode1:/var/www# wgethttp://rock-php.googlecode.com/files/rockmongo-v1.0.11.zip
root@namenode1:/var/www# unzip rockmongo-v1.0.11.zip#二次编译php模块root@namenode1:/var/www/mongo-php-driver-master# phpize
root@namenode1:/var/www/mongo-php-driver-master# ./configure
root@namenode1:/var/www/mongo-php-driver-master# make && makeinstall #找到php模块所在路径root@namenode1:/var/www/mongo-php-driver-master# php -i | grepextension_dirextension_dir => /usr/lib/php5/20100525 => /usr/lib/php5/20100525
root@namenode1:/var/www/mongo-php-driver-master# ll /usr/lib/php5/20100525total 2084
-rwxr-xr-x 1 root root 2016810 Mar 17 16:35 mongo.so-rw-r--r-- 1 root root 113072 Dec 12 16:53 pdo.so#php在debian系统所安装的路径在以下的位置，如果是其他系统需根据相对路径进行查找root@namenode1:/var/www/mongo-php-driver-master# ll/etc/php5/apache2/php.ini-rw-r--r-- 1 root root 65755 Dec 12 16:53 /etc/php5/apache2/php.iniroot@namenode1:/var/www/mongo-php-driver-master# vi/etc/php5/apache2/php.ini在733行加入内容,并保存退出733 extension = mongo.so 重启apache并查看url是否生效root@namenode1:/etc/init.d/apache restart访问以下地址http://172.23.214.50/rockmongo/index.php？action=index.login可以看到如下图所示，已经可以正常显示mongodb的管理登陆界面，默认情况下用户名与密码默认都为admin 确认用户名和密码，登陆成功，如下所示

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