Redis集群的搭建和使用V1.1

1...下载redis

2...上传服务器，解压，编译

tar -zxvf redis-3.2.9.tar.gz
mv redis-3.2.9.tar.gz redis3.0
cd /usr/local/dev/redis-3.2.9
make
make install PREFIX=/usr/local/redis

(make之前要注意几个内容报错)

2.1./bin/sh: cc: command not found

安装gcc：yum install gcc 
安装g++： yum install gcc-c++

2.2.zmalloc.h:50:31: fatal error: jemalloc/jemalloc.h: No such file or director

解决方案:make MALLOC=libc

2.3.安装后可以运行make test检测是否安装成功,这个时候可能出现的问题:

You need tcl 8.5 or newer in order to run the Redis test

安装tcl测试 : yum install tcl

下面代表测试通过:

\o/ All tests passed without errors!

Cleanup: may take some time... OK

3.创建所需要的目录(至少需要6个)

mkdir -p /usr/local/dev/redisCluster
cd /usr/local/dev/redisCluster
mkdir 7000
mkdir 7001
mkdir 7002
mkdir 7003
mkdir 7004
mkdir 7005

拷贝执行文件到对应文件夹:(目录取决于你的安装目录即PREFIX=/usr/local/redis)

cp -r /usr/local/redis/bin/* /usr/local/dev/redisCluster/7000
cp -r /usr/local/redis/bin/* /usr/local/dev/redisCluster/7001
............

4：修改配置文件redis.conf(也可以直接使用附件中文件)

/usr/local/dev/redis-3.2.9

##修改配置文件中的下面选项

port 7000
daemonize yes
cluster-enabled yes
cluster-config-file nodes.conf
cluster-node-timeout 5000
appendonly yes

如果需要带密码验证的redis,需要在配置的最后一行(推荐在最后一行) 添加自己的认证密码:

masterauth "qwerty"

requirepass "qwerty"

##修改完redis.conf配置文件中的这些配置项之后把这个配置文件分别拷贝到7000/7001/7002/7003/7004/7005目录下面

##注意：拷贝完成之后要修改7001/7002/7003/7004/7005目录下面redis.conf文件中的port参数，分别改为对应的文件夹的名称(推荐使用notepad++的NppFTP插件进行修改)

5：分别启动这6个redis实例(也可以使用附件中的脚本runAll.sh放到对应位置进行启动)

cd /usr/local/dev/redisCluster/7000
redis-server redis.conf
cd /usr/local/dev/redisCluster/7001
redis-server redis.conf
cd /usr/local/dev/redisCluster/7002
redis-server redis.conf
cd /usr/local/dev/redisCluster/7003
redis-server redis.conf
cd /usr/local/dev/redisCluster/7004
redis-server redis.conf
cd /usr/local/dev/redisCluster/7005
redis-server redis.conf

##启动之后使用命令查看redis的启动情况ps -ef|grep redis

6：执行redis的创建集群命令创建集群

cd /usr/local/dev/redis-3.2.9/src

./redis-trib.rb create --replicas 1 127.0.0.1:7000 127.0.0.1:7001 127.0.0.1:7002 127.0.0.1:7003 127.0.0.1:7004 127.0.0.1:7005

6.1执行上面的命令的时候会报错，因为是执行的ruby的脚本，需要ruby的环境

错误内容：/usr/bin/env: ruby: No such file or directory

所以需要安装ruby的环境，这里推荐使用yum install ruby安装

yum install ruby

6.2然后再执行第6步的创建集群命令，还会报错，提示缺少rubygems组件，使用yum安装

错误内容：

./redis-trib.rb:24:in `require': no such file to load -- rubygems (LoadError)

from ./redis-trib.rb:24

yum install rubygems

6.3再次执行第6步的命令，还会报错，提示不能加载redis，是因为缺少redis和ruby的接口，使用gem 安装

错误内容：

/usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require': no such file to load -- redis (LoadError)

from /usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'

from ./redis-trib.rb:25

gem install redis --version 3.3.3

注意：gem install redis --version 3.3.3 失败的话，需要修改一下gem的源

gem sources --remove https://rubygems.org/
gem sources -a https://ruby.taobao.org/

6.4 再次执行第6步的命令，正常执行

这个地方如果前面你配置了密码会报错:

Sorry, can't connect to node 127.0.0.1:7000

前面加入密码验证的步骤的验证完以后需要修改ruby的一个文件才能生效(因为要用到ruby来创建redis集群),命令如下:

-----前提是安装了ruby-gems,

340 yum install ruby 安装ruby

341 yum install rubygems 安装ruby的基础gems

342 gem install redis --version 3.3.3 安装redis的gems

343 gem sources --remove https://rubygems.org/

344 gem sources -a https://ruby.taobao.org/ 这两步是删除自带的地址换为淘宝的源

345 gem install redis --version 3.3.3

需要ruby文件

find / -name "client.rb"

vi /usr/local/share/gems/gems/redis-3.3.3/lib/redis/client.rb

将下面的属性修改为和上面conf里面同样的

DEFAULTS = {

:url => lambda { ENV["REDIS_URL"] },

:scheme => "redis",

:host => "127.0.0.1",

:port => 6379,

:path => nil,

:timeout => 5.0,

:password => "qwerty",

:db => 0,

:driver => nil,

:id => nil,

:tcp_keepalive => 0,

:reconnect_attempts => 1,

:inherit_socket => false

}

./redis-trib.rb create --replicas 1 127.0.0.1:7000 127.0.0.1:7001 127.0.0.1:7002 127.0.0.1:7003 127.0.0.1:7004 127.0.0.1:7005

安装成功!!!!

启动某个端口的redis:

./redis-cli -c -p 7002 -a qwerty(带上认证)(-a 是认证英语的缩写)

补充篇:

ruby的gems管理:

gem query –remote-----查询出当前安装的gems和版本

*** LOCAL GEMS ***

bigdecimal (1.2.0)

io-console (0.4.2)

json (1.7.7)

psych (2.0.0)

rdoc (4.0.0)

redis (3.3.3)

gem uninstall redis ----如果多个版本的他会问你输入版本号

增加对bind ip的操作和理解:

在redis.conf里面有一段配置:

################################## NETWORK #####################################

# By default, if no "bind" configuration directive is specified, Redis listens

# for connections from all the network interfaces available on the server.

# It is possible to listen to just one or multiple selected interfaces using

# the "bind" configuration directive, followed by one or more IP addresses.

# Examples:

# bind 192.168.1.100 10.0.0.1

# bind 127.0.0.1 ::1

# ~~~ WARNING ~~~ If the computer running Redis is directly exposed to the

# internet, binding to all the interfaces is dangerous and will expose the

# instance to everybody on the internet. So by default we uncomment the

# following bind directive, that will force Redis to listen only into

# the IPv4 lookback interface address (this means Redis will be able to

# accept connections only from clients running into the same computer it

# is running).

# IF YOU ARE SURE YOU WANT YOUR INSTANCE TO LISTEN TO ALL THE INTERFACES

# JUST COMMENT THE FOLLOWING LINE.

# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

#bind 127.0.0.1

bind 192.168.1.97 127.0.0.1

它的默认端口为6379,如果你是使用linux本身操作，那么默认bind的ip是127.0.0.1，如果你想要通过windows来访问redis，那么bind的ip更改成你linux的ip，使用ifconfig来查看linux的ip。

这段话的意思不是绑定了那些IP可以访问,而是开放了那些接口或者说是网卡供外界访问,这里很容易让人误认为是白名单ip

如果这个地方你配置了,那么下面的创建集群命令可能会有一些变化

6、开始集群使用以下命令，可将它写在一个shell脚本中

./redis-trib.rb create --replicas 1 192.168.243.128:7001 192.168.243.128:7002 192.168.243.128:7003 192.168.243.128:7004 192.168.243.128:7005 192.168.243.128:7006

写在一个叫cluster.sh的脚本中，执行当然你直接将上面的命令输入也可以，这里的ip地址是你在redis.conf绑定的ip

更详细的内容请参考

http://www.cnblogs.com/honger/p/5852005.html