redis主从复制

 

安装redis

###make 安装需要gcc和tcl
yum install gcc tcl -y
###下载安装包
wget http://download.redis.io/releases/redis-6.2.6.tar.gz
###解压
tar -zxvf redis-6.2.6.tar.gz
###进入目录
cd redis-6.2.6
###编译安装
make && make install
###启动redis
redis-server

 

 

 主节点配置

###主节点配置
bind 0.0.0.0
requirepass 123456
###从节点设置
vim /etc/redis.conf
bind 0.0.0.0
slaveof 192.168.200.216 6379 #主节点IP
masterauth 123456

测试

###进入主节点
redis-cli
###输入密码
auth 123456
###查询节点信息
127.0.0.1:6379> info replication
# Replication
role:master
connected_slaves:1
slave0:ip=192.168.200.222,port=6379,state=online,offset=42,lag=0
master_failover_state:no-failover
master_replid:63aa1ad7981046e1d1e9b5330da0f7dc8f7b4337
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:42
second_repl_offset:-1
repl_backlog_active:1
repl_backlog_size:1048576
repl_backlog_first_byte_offset:1
repl_backlog_histlen:42
###设置指定 key 的值
127.0.0.1:6379> set name gezi
OK
127.0.0.1:6379>

进入从节点 从节点没有设置密码可直接进入