Redis-Cluster的安装

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本文详细介绍了如何在Linux环境下通过YUM安装Ruby及Rubygems，并手动解决gem安装Redis时遇到的证书验证错误。此外，还提供了搭建Redis集群的具体步骤，包括各节点的启动与连接测试。

 yum install ruby
 yum install rubygems
 gem install redis

最后一个命令报错，报错如下：

ERROR:  Could not find a valid gem 'redis' (>= 0), here is why:
          Unable to download data from https://rubygems.org/ - SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed (https://rubygems.org/latest_specs.4.8.gz)

wget https://rubygems.global.ssl.fastly.net/gems/redis-3.2.2.gem
gem install -l ./redis-3.2.2.gem

启动

/u01/redis-3.2.2/src/redis-server /usr/local/redis/cluster/7001/redis.conf
/u01/redis-3.2.2/src/redis-server /usr/local/redis/cluster/7002/redis.conf
/u01/redis-3.2.2/src/redis-server /usr/local/redis/cluster/7003/redis.conf
/u01/redis-3.2.2/src/redis-server /usr/local/redis/cluster/7004/redis.conf
/u01/redis-3.2.2/src/redis-server /usr/local/redis/cluster/7005/redis.conf
/u01/redis-3.2.2/src/redis-server /usr/local/redis/cluster/7006/redis.conf

查看是否正常启动

netstat -tunpl|grep redis

./u01/redis-3.2.2/src/redis-trib.rb create --replicas 1 192.168.137.3:7001 192.168.137.3:7002 192.168.137.3:7003 192.168.137.3:7004 192.168.137.3:7005 192.168.137.3:7006

7001 7002 7003 是主节点，7004 7005 7006 是从节点 1代表负载均衡比例。

/redis-cli -c -h 192.168.137.3 -p 7001

连接到客户端试一下

创建成功

使用redis-trib.rb管理集群

检查集群节点信息

ruby redis-trib.rb check 192.168.137.3:7001