北京做网站最好的公司,百度应用商店下载,做资格核查在哪个网站,科技网络公司经营范围Redis主从搭建 7.2.5 文章目录 一. 同主机搭建Redis主从1. 环境介绍2. 环境前准备工作3. 安装 Redis 7.2.54. redis 配置修改并且启动4.1 修改配置文件4.2 编写启动脚本 5. 开启主从5.1 开启5.2 主库实例查看主从信息5.3 从库实例查看主从信息5.4 验证主从配置是否生效 6. 解除… Redis主从搭建 7.2.5 文章目录 一. 同主机搭建Redis主从1. 环境介绍2. 环境前准备工作3. 安装 Redis 7.2.54. redis 配置修改并且启动4.1 修改配置文件4.2 编写启动脚本 5. 开启主从5.1 开启5.2 主库实例查看主从信息5.3 从库实例查看主从信息5.4 验证主从配置是否生效 6. 解除 192.168.1.100:16372 实例主从 二. 跨节点部署Redis主从1. 环境介绍2. 修改配置文件2.1 master2.2 slave 12.3 slave 2 3.启动Redis3.1 master3.2 slave 13.3 slave 2 4. 开启主从4.1 slave 14.2 slave 24.3 master 5. 验证主从配置是否生效 一. 同主机搭建Redis主从
1. 环境介绍 同机器 一主两从 操作系统Centos 7内核版本Linux 3.10.0-957.el7.x86_64主机名称master-salveIP地址192.168.1.100端口master: 16370 slave1: 16371 slave2: 16372Redis7.2.5
2. 环境前准备工作
# 关闭防火墙
systemctl stop firewalld
systemctl disable firewalld# 修改 hostname
hostnamectl set-hostname xxxx # 修改后退出当前终端重新连接即可# 更新下软件源
# 地址 https://developer.aliyun.com/mirror/# 时区调整时间校准
date -R
timedatectl set-timezone Asia/Shanghai
yum -y install ntp
ntpdate ntp1.aliyun.com# 关闭 selinux
sed -i s/enforcing/disabled/ /etc/selinux/config
setenforce 0
3. 安装 Redis 7.2.5
# 下载地址
http://download.redis.io/releases/# 下载
wget http://download.redis.io/releases/redis-7.2.5.tar.gz
# 解压
tar -xf redis-7.2.5.tar.gz -C /opt/redis# 编译
make MALLOClibc# 安装 注意如果安装提示python3不存在 执行 yum install -y python3
make install PREFIX/usr/local/redis# 配置环境变量
vi /etc/profile.d/redis.sh#!/bin/bashexport REDIS_HOME/usr/local/redis
export PATH$PATH:$REDIS_HOME/bin # 使其配置生效
source /etc/profile.d/redis.sh4. redis 配置修改并且启动
4.1 修改配置文件
# 创建redis数据存储目录
mkdir -p /usr/local/redis/data/1637{0..2}
# 创建redis配置文件存储目录
mkdir -p /usr/local/redis/conf/1637{0..2}
# 创建redis日志存储目录
mkdir -p /usr/local/redis/log/1637{0..2}# 创建redis pid存储目录
mkdir /usr/local/redis/run# redis配置文件 16370
# 开启保护模式
protected-mode yes
# 添加本机的ip
bind 192.168.1.100
# 端口
port 16370
# pid存储目录
pidfile /usr/local/redis/run/redis_16370.pid
# 日志存储目录
logfile /usr/local/redis/log/16370/redis_16370.log
# 数据存储目录目录要提前创建好
dir /usr/local/redis/data/16370
# 设置实例的验证口令
requirepass dongdong
# 以认证的方式连接到master。 如果master中使用了“密码保护”slave必须交付正确的授权密码才能连接成功。
# 此配置项中值需要和master机器的“requirepass”保持一致
masterauth dongdong
# 配置RDB持久化策略
save 900 1
save 300 10
save 60 10000
# 配置AOF持久化
appendonly yes
appendfsync everysec
# 守护进程
daemonize yes # redis配置文件 16371
# 开启保护模式
protected-mode yes
# 添加本机的ip
bind 192.168.1.100
# 端口
port 16371
# pid存储目录
pidfile /usr/local/redis/run/redis_16371.pid
# 日志存储目录
logfile /usr/local/redis/log/16370/redis_16371.log
# 数据存储目录目录要提前创建好
dir /usr/local/redis/data/16371
# 设置实例的验证口令
requirepass dongdong
# 以认证的方式连接到master。 如果master中使用了“密码保护”slave必须交付正确的授权密码才能连接成功。
# 此配置项中值需要和master机器的“requirepass”保持一致
masterauth dongdong
# 配置RDB持久化策略
save 900 1
save 300 10
save 60 10000
# 配置AOF持久化
appendonly yes
appendfsync everysec
# 守护进程
daemonize yes # redis配置文件 16372
# 开启保护模式
protected-mode yes
# 添加本机的ip
bind 192.168.1.100
# 端口
port 16372
# pid存储目录
pidfile /usr/local/redis/run/redis_16372.pid
# 日志存储目录
logfile /usr/local/redis/log/16370/redis_16372.log
# 数据存储目录目录要提前创建好
dir /usr/local/redis/data/16372
# 设置实例的验证口令
requirepass dongdong
# 以认证的方式连接到master。 如果master中使用了“密码保护”slave必须交付正确的授权密码才能连接成功。
# 此配置项中值需要和master机器的“requirepass”保持一致
masterauth dongdong
# 配置RDB持久化策略
save 900 1
save 300 10
save 60 10000
# 配置AOF持久化
appendonly yes
appendfsync everysec
# 守护进程
daemonize yes # 复制下面命令即可
cat /usr/local/redis/conf/redis_16370.conf EOF
# 开启保护模式
protected-mode yes
# 添加本机的ip
bind 192.168.1.100
# 端口
port 16370
# pid存储目录
pidfile /usr/local/redis/run/redis_16370.pid
# 日志存储目录
logfile /usr/local/redis/log/16370/redis_16370.log
# 数据存储目录目录要提前创建好
dir /usr/local/redis/data/16370
# 设置实例的验证口令
requirepass dongdong
# 以认证的方式连接到master。 如果master中使用了“密码保护”slave必须交付正确的授权密码才能连接成功。
# 此配置项中值需要和master机器的“requirepass”保持一致
masterauth dongdong
# 配置RDB持久化策略
save 900 1
save 300 10
save 60 10000
# 配置AOF持久化
appendonly yes
appendfsync everysec
# 守护进程
daemonize yes
EOFcat /usr/local/redis/conf/redis_16371.conf EOF
# 开启保护模式
protected-mode yes
# 添加本机的ip
bind 192.168.1.100
# 端口
port 16371
# pid存储目录
pidfile /usr/local/redis/run/redis_16371.pid
# 日志存储目录
logfile /usr/local/redis/log/16370/redis_16371.log
# 数据存储目录目录要提前创建好
dir /usr/local/redis/data/16371
# 设置实例的验证口令
requirepass dongdong
# 以认证的方式连接到master。 如果master中使用了“密码保护”slave必须交付正确的授权密码才能连接成功。
# 此配置项中值需要和master机器的“requirepass”保持一致
masterauth dongdong
# 配置RDB持久化策略
save 900 1
save 300 10
save 60 10000
# 配置AOF持久化
appendonly yes
appendfsync everysec
# 守护进程
daemonize yes
EOFcat /usr/local/redis/conf/redis_16372.conf EOF
# 开启保护模式
protected-mode yes
# 添加本机的ip
bind 192.168.1.100
# 端口
port 16372
# pid存储目录
pidfile /usr/local/redis/run/redis_16372.pid
# 日志存储目录
logfile /usr/local/redis/log/16370/redis_16372.log
# 数据存储目录目录要提前创建好
dir /usr/local/redis/data/16372
# 设置实例的验证口令
requirepass dongdong
# 以认证的方式连接到master。 如果master中使用了“密码保护”slave必须交付正确的授权密码才能连接成功。
# 此配置项中值需要和master机器的“requirepass”保持一致
masterauth dongdong
# 配置RDB持久化策略
save 900 1
save 300 10
save 60 10000
# 配置AOF持久化
appendonly yes
appendfsync everysec
# 守护进程
daemonize yes
EOF4.2 编写启动脚本
# 启动脚本
cat /usr/local/redis/bin/master-slave_start.sh EOF
#!/bin/bashredis-server /usr/local/redis/conf/redis_16370.conf
redis-server /usr/local/redis/conf/redis_16371.conf
redis-server /usr/local/redis/conf/redis_16372.conf
EOF# 赋予可执行权限
chmod x /usr/local/redis/bin/master-slave_start.sh# 关闭脚本
vi /usr/local/redis/bin/master-slave_shutdown.sh#!/bin/bashkill -9 $(ps -ef | grep 1637 | grep -v grep | awk {print $2})# 赋予可执行权限
chmod x /usr/local/redis/bin/master-slave_shutdown.sh5. 开启主从
5.1 开启
# 以192.168.1.100:16370实例为主库以192.168.1.100:16371实例和192.168.1.100:16372实例为从库。
# -a 参数指定密码
# 从库实例开启主从redis-cli -h 192.168.1.100 -p 16371 -a dongdong slaveof 192.168.1.100 16370redis-cli -h 192.168.1.100 -p 16372 -a dongdong slaveof 192.168.1.100 16370# Warning: Using a password with -a or -u option on the command line interface may not be safe.# 警告在命令行界面上使用带有“-a”或“-u”选项的密码可能不安全。 可以忽略# 解决方式# redis-cli -h 192.168.1.100 -p 16371 -a dongdong --no-auth-warning slaveof 192.168.1.100 16370
5.2 主库实例查看主从信息 redis-cli -h 192.168.1.100 -p 16370 -a dongdong info replication [rootmaster-slave ~]# redis-cli -h 192.168.1.100 -p 16370 -a dongdong info replication
Warning: Using a password with -a or -u option on the command line interface may not be safe.
# Replication
role:master
connected_slaves:2
slave0:ip192.168.1.100,port16371,stateonline,offset8428,lag0
slave1:ip192.168.1.100,port16372,stateonline,offset8428,lag1
master_failover_state:no-failover
master_replid:a292603e2c96a6f451055e6d84a60795f81f2928
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:8428
second_repl_offset:-1
repl_backlog_active:1
repl_backlog_size:1048576
repl_backlog_first_byte_offset:1
repl_backlog_histlen:84285.3 从库实例查看主从信息
# 192.168.1.100:16371 查看主从信息
redis-cli -h 192.168.1.100 -p 16371 -a dongdong info replication [rootmaster-slave ~]# redis-cli -h 192.168.1.100 -p 16371 -a dongdong info replication
Warning: Using a password with -a or -u option on the command line interface may not be safe.
# Replication
role:slave
master_host:192.168.1.100
master_port:16370
master_link_status:up
master_last_io_seconds_ago:0
master_sync_in_progress:0
slave_read_repl_offset:8680
slave_repl_offset:8680
slave_priority:100
slave_read_only:1
replica_announced:1
connected_slaves:0
master_failover_state:no-failover
master_replid:a292603e2c96a6f451055e6d84a60795f81f2928
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:8680
second_repl_offset:-1
repl_backlog_active:1
repl_backlog_size:1048576
repl_backlog_first_byte_offset:15
repl_backlog_histlen:86665.4 验证主从配置是否生效
# 192.168.1.100:16370实例主库的11号数据库创建测试数据
redis-cli -h 192.168.1.100 -p 16370 -a dongdong -n 11[rootmaster-slave ~]# redis-cli -h 192.168.1.100 -p 16370 -a dongdong -n 11
Warning: Using a password with -a or -u option on the command line interface may not be safe.
192.168.1.100:16370[11] keys *
(empty array)
192.168.1.100:16370[11] set name dongdong
OK
192.168.1.100:16370[11] set age 18
OK
192.168.1.100:16370[11] keys *
1) age
2) name# 192.168.1.100:16371实例从库的11号数据库查看是否同步主库的11号数据库
redis-cli -h 192.168.1.100 -p 16371 -a dongdong -n 11[rootmaster-slave ~]# redis-cli -h 192.168.1.100 -p 16371 -a dongdong -n 11
Warning: Using a password with -a or -u option on the command line interface may not be safe.
192.168.1.100:16371[11] keys *
1) name
2) age
192.168.1.100:16371[11] get name
dongdong
192.168.1.100:16371[11] get age
18
192.168.1.100:16371[11] # 192.168.1.100:16372实例从库的11号数据库查看是否同步主库的11号数据库
redis-cli -h 192.168.1.100 -p 16372 -a dongdong -n 11[rootmaster-slave ~]# redis-cli -h 192.168.1.100 -p 16372 -a dongdong -n 11
Warning: Using a password with -a or -u option on the command line interface may not be safe.
192.168.1.100:16372[11] keys *
1) age
2) name
192.168.1.100:16372[11] get name
dongdong
192.168.1.100:16372[11] get age
18
192.168.1.100:16372[11] 6. 解除 192.168.1.100:16372 实例主从
# 192.168.1.100:16372 查看主从信息
redis-cli -h 192.168.1.100 -p 16372 -a dongdong info replication [rootmaster-slave ~]# redis-cli -h 192.168.1.100 -p 16372 -a dongdong info replication
Warning: Using a password with -a or -u option on the command line interface may not be safe.
# Replication
role:slave
master_host:192.168.1.100
master_port:16370
master_link_status:up
master_last_io_seconds_ago:4
master_sync_in_progress:0
slave_read_repl_offset:10003
slave_repl_offset:10003
slave_priority:100
slave_read_only:1
replica_announced:1
connected_slaves:0
master_failover_state:no-failover
master_replid:a292603e2c96a6f451055e6d84a60795f81f2928
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:10003
second_repl_offset:-1
repl_backlog_active:1
repl_backlog_size:1048576
repl_backlog_first_byte_offset:155
repl_backlog_histlen:9849# 192.168.1.100:16370 查看主从信息
redis-cli -h 192.168.1.100 -p 16370 -a dongdong info replication
[rootmaster-slave ~]# redis-cli -h 192.168.1.100 -p 16370 -a dongdong info replication
Warning: Using a password with -a or -u option on the command line interface may not be safe.
# Replication
role:master
connected_slaves:2
slave0:ip192.168.1.100,port16371,stateonline,offset10157,lag0
slave1:ip192.168.1.100,port16372,stateonline,offset10157,lag0
master_failover_state:no-failover
master_replid:a292603e2c96a6f451055e6d84a60795f81f2928
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:10157
second_repl_offset:-1
repl_backlog_active:1
repl_backlog_size:1048576
repl_backlog_first_byte_offset:1
repl_backlog_histlen:10157# 解除 192.168.1.100:16372 主从信息
redis-cli -h 192.168.1.100 -p 16372 -a dongdong slaveof no one[rootmaster-slave ~]# redis-cli -h 192.168.1.100 -p 16372 -a dongdong slaveof no one
Warning: Using a password with -a or -u option on the command line interface may not be safe.
OK# 再次查看 192.168.1.100:16370 查看主从信息
redis-cli -h 192.168.1.100 -p 16370 -a dongdong info replication [rootmaster-slave ~]# redis-cli -h 192.168.1.100 -p 16370 -a dongdong info replication
Warning: Using a password with -a or -u option on the command line interface may not be safe.
# Replication
role:master
connected_slaves:1
slave0:ip192.168.1.100,port16371,stateonline,offset10731,lag0
master_failover_state:no-failover
master_replid:a292603e2c96a6f451055e6d84a60795f81f2928
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:10731
second_repl_offset:-1
repl_backlog_active:1
repl_backlog_size:1048576
repl_backlog_first_byte_offset:1
repl_backlog_histlen:10731
# 只剩下一个 从节点了# 把192.168.1.100:16372 添加回来
redis-cli -h 192.168.1.100 -p 16372 -a dongdong slaveof 192.168.1.100 16370
[rootmaster-slave ~]# redis-cli -h 192.168.1.100 -p 16372 -a dongdong slaveof 192.168.1.100 16370
Warning: Using a password with -a or -u option on the command line interface may not be safe.
OK# 此时再看192.168.1.100:16370 查看主从信息
redis-cli -h 192.168.1.100 -p 16370 -a dongdong info replication [rootmaster-slave ~]# redis-cli -h 192.168.1.100 -p 16370 -a dongdong info replication
Warning: Using a password with -a or -u option on the command line interface may not be safe.
# Replication
role:master
connected_slaves:2
slave0:ip192.168.1.100,port16371,stateonline,offset10941,lag0
slave1:ip192.168.1.100,port16372,stateonline,offset10941,lag0
master_failover_state:no-failover
master_replid:a292603e2c96a6f451055e6d84a60795f81f2928
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:10941
second_repl_offset:-1
repl_backlog_active:1
repl_backlog_size:1048576
repl_backlog_first_byte_offset:1
repl_backlog_histlen:10941
# slaves 变成2了二. 跨节点部署Redis主从
1. 环境介绍
操作系统Centos 7Centos 7Centos 7内核版本Linux 3.10.0-957.el7.x86_64Linux 3.10.0-957.el7.x86_64Linux 3.10.0-957.el7.x86_64主机名称masterslave1slave2IP192.168.1.100192.168.1.200192.168.1.250端口163801638116382
2. 修改配置文件
2.1 master
# 创建redis数据存储目录
mkdir -p /usr/local/redis/data/16380
# 创建redis配置文件存储目录
mkdir -p /usr/local/redis/conf/16380
# 创建redis日志存储目录
mkdir -p /usr/local/redis/log/16380# 创建redis pid存储目录
mkdir /usr/local/redis/run# 复制下面命令即可
cat /usr/local/redis/conf/redis_16380.confEOF
# 开启保护模式
protected-mode yes
# 添加本机的ip
bind 192.168.1.100
# 端口
port 16380
# pid存储目录
pidfile /usr/local/redis/run/redis_16380.pid
# 日志存储目录
logfile /usr/local/redis/log/redis_16380.log
# 数据存储目录目录要提前创建好
dir /usr/local/redis/data/16380
# 设置实例的验证口令
requirepass dongdong
# 以认证的方式连接到master。 如果master中使用了“密码保护”slave必须交付正确的授权密码才能连接成功。
# 此配置项中值需要和master机器的“requirepass”保持一致
masterauth dongdong
# 配置RDB持久化策略
save 900 1
save 300 10
save 60 10000
# 配置AOF持久化
appendonly yes
appendfsync everysec
# 守护进程
daemonize yes
EOF2.2 slave 1
# 创建redis数据存储目录
mkdir -p /usr/local/redis/data/16381
# 创建redis配置文件存储目录
mkdir -p /usr/local/redis/conf/16381
# 创建redis日志存储目录
mkdir -p /usr/local/redis/log/16381# 创建redis pid存储目录
mkdir /usr/local/redis/run# 复制下面命令即可
cat /usr/local/redis/conf/redis_16381.conf EOF
# 开启保护模式
protected-mode yes
# 添加本机的ip
bind 192.168.1.200
# 端口
port 16381
# pid存储目录
pidfile /usr/local/redis/run/redis_16381.pid
# 日志存储目录
logfile /usr/local/redis/log/redis_16381.log
# 数据存储目录目录要提前创建好
dir /usr/local/redis/data/16381
# 设置实例的验证口令
requirepass dongdong
# 以认证的方式连接到master。 如果master中使用了“密码保护”slave必须交付正确的授权密码才能连接成功。
# 此配置项中值需要和master机器的“requirepass”保持一致
masterauth dongdong
# 配置RDB持久化策略
save 900 1
save 300 10
save 60 10000
# 配置AOF持久化
appendonly yes
appendfsync everysec
# 守护进程
daemonize yes
EOF2.3 slave 2
# 创建redis数据存储目录
mkdir -p /usr/local/redis/data/16382
# 创建redis配置文件存储目录
mkdir -p /usr/local/redis/conf/16382
# 创建redis日志存储目录
mkdir -p /usr/local/redis/log/16382# 创建redis pid存储目录
mkdir /usr/local/redis/run# 复制下面命令即可
cat /usr/local/redis/conf/redis_16382.conf EOF
# 开启保护模式
protected-mode yes
# 添加本机的ip
bind 192.168.1.250
# 端口
port 16382
# pid存储目录
pidfile /usr/local/redis/run/redis_16382.pid
# 日志存储目录
logfile /usr/local/redis/log/redis_16382.log
# 数据存储目录目录要提前创建好
dir /usr/local/redis/data/16382
# 设置实例的验证口令
requirepass dongdong
# 以认证的方式连接到master。 如果master中使用了“密码保护”slave必须交付正确的授权密码才能连接成功。
# 此配置项中值需要和master机器的“requirepass”保持一致
masterauth dongdong
# 配置RDB持久化策略
save 900 1
save 300 10
save 60 10000
# 配置AOF持久化
appendonly yes
appendfsync everysec
# 守护进程
daemonize yes
EOF3.启动Redis
3.1 master
redis-server /usr/local/redis/conf/redis_16380.conf3.2 slave 1
redis-server /usr/local/redis/conf/redis_16381.conf3.3 slave 2
redis-server /usr/local/redis/conf/redis_16382.conf4. 开启主从
4.1 slave 1
# 从库开启主从
redis-cli -h 192.168.1.200 -p 16381 -a dongdong slaveof 192.168.1.100 16380[rootslave1 ~]# redis-cli -h 192.168.1.200 -p 16381 -a dongdong slaveof 192.168.1.100 16380
Warning: Using a password with -a or -u option on the command line interface may not be safe.
OK# 从库查看主从信息
redis-cli -h 192.168.1.200 -p 16381 -a dongdong info replication [rootslave1 ~]# redis-cli -h 192.168.1.200 -p 16381 -a dongdong info replication
Warning: Using a password with -a or -u option on the command line interface may not be safe.
# Replication
role:slave
master_host:192.168.1.100
master_port:16380
master_link_status:up
master_last_io_seconds_ago:3
master_sync_in_progress:0
slave_read_repl_offset:532
slave_repl_offset:532
slave_priority:100
slave_read_only:1
replica_announced:1
connected_slaves:0
master_failover_state:no-failover
master_replid:7330881025ee2709ee6c9c32ea3fcc9b6649893d
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:532
second_repl_offset:-1
repl_backlog_active:1
repl_backlog_size:1048576
repl_backlog_first_byte_offset:15
repl_backlog_histlen:518
4.2 slave 2
# 从库开启主从
redis-cli -h 192.168.1.250 -p 16382 -a dongdong slaveof 192.168.1.100 16380[rootslave2 ~]# redis-cli -h 192.168.1.250 -p 16382 -a dongdong slaveof 192.168.1.100 16380
Warning: Using a password with -a or -u option on the command line interface may not be safe.
OK# 从库查看主从信息
redis-cli -h 192.168.1.250 -p 16382 -a dongdong info replication [rootslave2 ~]# redis-cli -h 192.168.1.250 -p 16382 -a dongdong info replication
Warning: Using a password with -a or -u option on the command line interface may not be safe.
# Replication
role:slave
master_host:192.168.1.100
master_port:16380
master_link_status:up
master_last_io_seconds_ago:10
master_sync_in_progress:0
slave_read_repl_offset:560
slave_repl_offset:560
slave_priority:100
slave_read_only:1
replica_announced:1
connected_slaves:0
master_failover_state:no-failover
master_replid:7330881025ee2709ee6c9c32ea3fcc9b6649893d
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:560
second_repl_offset:-1
repl_backlog_active:1
repl_backlog_size:1048576
repl_backlog_first_byte_offset:211
repl_backlog_histlen:350
4.3 master
# 查看 主从信息
redis-cli -h 192.168.1.100 -p 16380 -a dongdong info replication [rootmaster ~]# redis-cli -h 192.168.1.100 -p 16380 -a dongdong info replication
Warning: Using a password with -a or -u option on the command line interface may not be safe.
# Replication
role:master
connected_slaves:2
slave0:ip192.168.1.200,port16381,stateonline,offset336,lag0
slave1:ip192.168.1.250,port16382,stateonline,offset336,lag1
master_failover_state:no-failover
master_replid:7330881025ee2709ee6c9c32ea3fcc9b6649893d
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:336
second_repl_offset:-1
repl_backlog_active:1
repl_backlog_size:1048576
repl_backlog_first_byte_offset:1
repl_backlog_histlen:3365. 验证主从配置是否生效
# master主机名实例主库的11号数据库创建测试数据
redis-cli -h 192.168.1.100 -p 16380 -a dongdong -n 11[rootmaster ~]# redis-cli -h 192.168.1.100 -p 16380 -a dongdong -n 11
Warning: Using a password with -a or -u option on the command line interface may not be safe.
192.168.1.100:16380[11] keys *
(empty array)
192.168.1.100:16380[11] set name dongdong
OK
192.168.1.100:16380[11] set age 18
OK
192.168.1.100:16380[11] keys *
1) name
2) age
192.168.1.100:16380[11] # slave1主机名实例从库的11号数据库查看是否同步主库的11号数据库
redis-cli -h 192.168.1.200 -p 16381 -a dongdong -n 11[rootslave1 ~]# redis-cli -h 192.168.1.200 -p 16381 -a dongdong -n 11
Warning: Using a password with -a or -u option on the command line interface may not be safe.
192.168.1.200:16381[11] get name
dongdong
192.168.1.200:16381[11] get age
18
192.168.1.200:16381[11] key *
(error) ERR unknown command key, with args beginning with: *
192.168.1.200:16381[11] keys *
1) age
2) name
192.168.1.200:16381[11] # slave2主机名实例从库的11号数据库查看是否同步主库的11号数据库
redis-cli -h 192.168.1.250 -p 16382 -a dongdong -n 11[rootslave2 ~]# redis-cli -h 192.168.1.250 -p 16382 -a dongdong -n 11
Warning: Using a password with -a or -u option on the command line interface may not be safe.
192.168.1.250:16382[11] get name
dongdong
192.168.1.250:16382[11] get age
18
192.168.1.250:16382[11] keys *
1) age
2) name
192.168.1.250:16382[11] # 如果针对 slave1 或者 slave2 进行写入操作 则会报错 错误信息 只能在master操作哦
(error) READONLY You cant write against a read only replica.
