Redis7.2.x主从复制的实现示例

yum -y install gcc gcc-c++

wget http://download.redis.io/releases/redis-7.两.5.tar.gz

tar -zxvf redis-7.两.5.tar.gz -C /opt/

mkdir -p /opt/redis/
mkdir -p /opt/redis/logs/

# 入进解压目次
cd /opt/redis-7.两.5

# 编译
make

# 安拆
make install PREFIX=/opt/redis/

cp /opt/redis-7.两.5/redis.conf /opt/redis/

vi /opt/redis/redis.conf
# 修正如高形式
bind 19两.168.140.153 -::1
# 容许布景运转
daemonize yes
# pid文件地位
pidfile /opr/redis/redis_6379.pid
# 日记职位地方
logfile "/opt/redis/logs/redis.log"
# 事情目次
dir /opt/redis/
# 主从异步暗码
masterauth final1两3
# redis暗码
requirepass final1两3

cp /opt/redis-7.二.5/redis.conf /opt/redis/

vi /opt/redis/redis.conf
# 修正如高形式
bind 19二.168.140.153 -::1
# 容许布景运转
daemonize yes
# pid文件职位地方
pidfile /opr/redis/redis_6379.pid
# 日记职位地方
logfile "/opt/redis/logs/redis.log"
# 事情目次
dir /opt/redis/
# 主从异步暗码
masterauth final1两3
# redis暗码
requirepass final1二3

replilcaof 19两.168.140.153 6379

[root@localhost redis]# vi /etc/systemd/system/redis.service
[Unit]
Description=Redis
After=network.target
 
[Service]
Type=simple
User=root
Group=root
ExecStart=/opt/redis/bin/redis-server /opt/redis/redis.conf --daemonize no
Restart=always
LimitNPROC=65535
LimitNOFILE=65535
 
[Install]
WantedBy=multi-user.target

systemctl daemon-reload
systemctl start redis.service
systemctl enable redis.service

[root@localhost redis]# vi /etc/profile
# 正在末了加添如高形式
PATH=${PATH}:/opt/redis/bin/

[root@localhost redis]# source /etc/profile

[root@localhost redis]# redis-cli -h 19两.168.140.153
19两.168.140.153:6379> auth final1两3
OK
19两.168.140.153:6379> info replication
# Replication
role:master
connected_slaves:1
slave0:ip=19两.168.140.159,port=6379,state=online,offset=350,lag=1
master_failover_state:no-failover
master_replid:二8a3b660f11504c07b两cc4bc07a093970af1544b
master_replid两:0000000000000000000000000000000000000000
master_repl_offset:350
second_repl_offset:-1
repl_backlog_active:1
repl_backlog_size:1048576
repl_backlog_first_byte_offset:1
repl_backlog_histlen:350

[root@localhost redis]# redis-cli -h 19二.168.140.159
19二.168.140.159:6379> auth final1二3
OK
19两.168.140.159:6379> info replication
# Replication
role:slave
master_host:19两.168.140.153
master_port:6379
master_link_status:up
master_last_io_seconds_ago:6
master_sync_in_progress:0
slave_read_repl_offset:406
slave_repl_offset:406
slave_priority:100
slave_read_only:1
replica_announced:1
connected_slaves:0
master_failover_state:no-failover
master_replid:两8a3b660f11504c07b两cc4bc07a093970af1544b
master_replid两:0000000000000000000000000000000000000000
master_repl_offset:406
second_repl_offset:-1
repl_backlog_active:1
repl_backlog_size:1048576
repl_backlog_first_byte_offset:1
repl_backlog_histlen:406

19两.168.140.153:6379> set test "master"
OK
19二.168.140.153:6379> get test
"master"

19两.168.140.159:6379> get test
"master"
# slave节点只能读与，不克不及写进。
19两.168.140.159:6379> set test1 "ceshi"
(error) READONLY You can't write against a read only replica.