Installation of redis cluster in ubuntu

First check whether gcc is installed

gcc -v

If gcc is not installed, you need to install it

#centosyum install gcc-c++#ubuntusudo apt-get install gcc#不安装会有问题sudo apt install make

Download

wget http://download.redis.io/releases/redis-3.2.1.tar.gz
tar -zxvf redis-3.2.1.tar.gz cd redis-3.2.1
 make 
 make install PREFIX=/usr/local/redis

Creation of the cluster

cd /usr/local/
  mkdir redis_cluster  //创建集群目录
  mkdir 7000 7001 7002  //分别代表三个节点    其对应端口 7000 7001 7002
  
  cp /usr/local/redis-3.2.1/redis.conf  ./redis_cluster/7000/   
 //拷贝到7001目录
 cp /usr/local/redis-3.2.1/redis.conf  ./redis_cluster/7001/   
 //拷贝到7002目录
 cp /usr/local/redis-3.2.1/redis.conf  ./redis_cluster/7002/   
 
 sudo cp -r redis/bin/ redis_cluster/7000/
 sudo cp -r redis/bin/ redis_cluster/7001/
 sudo cp -r redis/bin/ redis_cluster/7002/

Modify the corresponding configurations of the three files in the 7001, 7002, and 7003 folders

daemonize    yes                          //redis后台运行pidfile  /var/run/redis_7000.pid          //pidfile文件对应7000,7002,7003port  7000                                //端口7000,7002,7003cluster-enabled  yes                      //开启集群  把注释#去掉cluster-config-file  nodes_7000.conf      //集群的配置  配置文件首次启动自动生成 7000,7001,7002cluster-node-timeout  5000                //请求超时  设置5秒够了appendonly  yes                           //aof日志开启  有需要就开启，它会每次写操作都记录一条日志

Create 3 nodes at 192.168.1.238: change the corresponding ports to 7003, 7004, 7005. Just change the configuration accordingly.

Start each node on two machines (the two servers are the same)

cd /usr/localredis-server  redis_cluster/7000/redis.conf
redis-server  redis_cluster/7001/redis.conf
redis-server  redis_cluster/7002/redis.conf
redis-server  redis_cluster/7003/redis.conf
redis-server  redis_cluster/7004/redis.conf
redis-server  redis_cluster/7005/redis.conf

View the service

ps -ef | grep redis   #查看是否启动成功
 netstat -tnlp | grep redis #可以看到redis监听端口

The cluster must have 6 nodes

sudo apt-get install ruby
 sudo apt-get install rubygems
 sudo gem install redis

./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

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