Redis单节点多实例

环境

​ 准备一台机器,现在我们可以搭建一个单节点多实例,也就是多个端口,一个端口设置为master,两个或者多个端口设置为slave

环境部署

安装gcc套装

[root@redis01 ~]# yum -y install gcc glibc glibc-kernheaders glibc-common glibc-devel make

升级gcc

[root@redis01 ~]# yum -y install centos-release-scl [root@redis01 ~]# yum -y install devtoolset-9-gcc devtoolset-9-gcc-c++ devtoolset-9-binutils [root@redis01 ~]# scl enable devtoolset-9 bash

设置永久升级

[root@redis01 ~]# echo "source /opt/rh/devtoolset-9/enable" >>/etc/profile

redis的安装

[root@redis01 ~]# cd /usr/local/src [root@redis01 ~]# wget http://download.redis.io/releases/redis-6.0.5.tar.gz [root@redis01 ~]# tar -zxvf redis-6.0.5.tar.gz [root@redis01 ~]# cd redis-6.0.5/ [root@redis01 ~]# make [root@redis01 ~]# make install PREFIX=/usr/local/redis

创建项目实例

[root@redis01 ~]# mkdir -p /application/redis/{6380,6381,6382}/{conf,data,log}

单节点准备多个实例,做少两个

[root@qfedu.com redis]# yum -y install tree [root@qfedu.com redis]# tree . ├── 6380 │ ├── redis.conf │ └── redis-server ├── 6381 │ ├── redis.conf │ └── redis-server ├── 6382 │ ├── redis.conf │ └── redis-server ├── install-redis.sh └── start-redis.sh

redis配置文件实例

[root@qfedu.com redis]# vim 6380/redis.conf bind 0.0.0.0 port 6380 daemonize yes pidfile /var/run/redis_6380.pid loglevel notice logfile "/var/log/redis_6380.log" dbfilename dump.rdb dir /application/redis/6380/ appendonly no appendfilename "appendonly.aof" appendfsync everysec slowlog-log-slower-than 10000 slowlog-max-len 128 protected-mode no requirepass redis #本机密码,可以不加密码 [root@qfedu.com redis]# vim 6381/redis.conf bind 0.0.0.0 port 6381 daemonize yes pidfile /var/run/redis_6381.pid loglevel notice logfile "/var/log/redis_6381.log" dbfilename dump.rdb dir /application/redis/6381/ appendonly no appendfilename "appendonly.aof" appendfsync everysec slowlog-log-slower-than 10000 slowlog-max-len 128 protected-mode no requirepass redis replicaof 192.168.152.133 6380 masterauth redis # 本机密码 #<masterip> <masterport> # 主节点 Redis 的 IP 和端口 注：低版本 Redis 有可能是 slaveof （只在从节点配置） replicaof 192.168.152.133 6380 #<master-password> # 主节点上的密码 （只在从节点配置） masterauth redis [root@qfedu.com redis]# vim 6382/redis.conf bind 0.0.0.0 port 6382 daemonize yes pidfile /var/run/redis_6382.pid loglevel notice logfile "/var/log/redis_6382.log" dbfilename dump.rdb dir /application/redis/6382/ appendonly no appendfilename "appendonly.aof" appendfsync everysec slowlog-log-slower-than 10000 slowlog-max-len 128 protected-mode no requirepass redis # 本机密码 #<masterip> <masterport> # 主节点 Redis 的 IP 和端口 注：低版本 Redis 有可能是 slaveof （只在从节点配置） replicaof 192.168.122.166 6380 #master的端口 #<master-password> # 主节点上的密码 （只在从节点配置） masterauth redis #不加密码可以删除

启动实例

[root@qfedu.com redis]# /usr/local/redis/bin/redis-server /application/redis/6380/redis.conf [root@qfedu.com redis]# /usr/local/redis/bin/redis-server /application/redis/6381/redis.conf [root@qfedu.com redis]# /usr/local/redis/bin/redis-server /application/redis/6382/redis.conf

查看状态

[root@redis01 ~]# ss -anput | grep redis tcp LISTEN 0 511 *:6381 *:* users:(("redis-server",pid=25993,fd=6)) tcp LISTEN 0 511 *:6382 *:* users:(("redis-server",pid=25995,fd=6)) tcp LISTEN 0 511 *:6383 *:* users:(("redis-server",pid=25997,fd=6)) tcp LISTEN 0 511 *:16381 *:* users:(("redis-server",pid=25993,fd=9)) tcp LISTEN 0 511 *:16382 *:* users:(("redis-server",pid=25995,fd=9)) tcp LISTEN 0 511 *:16382 *:* users:(("redis-server",pid=25997,fd=9))

端口显示成功,可以登录

主从复制的验证

[root@redis1 6380]# redis-cli -h 192.168.152.133 -p 6380 -a redis Warning: Using a password with '-a' or '-u' option on the command line interface may not be safe. 192.168.152.133:6380> slaveof no one OK 192.168.152.133:6380> info replication # Replication role:master connected_slaves:3 slave0:ip=192.168.152.133,port=6382,state=online,offset=28,lag=1 slave1:ip=192.168.152.133,port=6381,state=online,offset=28,lag=1 slave2:ip=192.168.152.133,port=6383,state=online,offset=28,lag=1 master_replid:ae5cc872d0b56a677d38a64c8e4bc810cfb43a5f master_replid2:0000000000000000000000000000000000000000 master_repl_offset:28 second_repl_offset:-1 repl_backlog_active:1 repl_backlog_size:1048576 repl_backlog_first_byte_offset:1 repl_backlog_histlen:28 192.168.152.133:6380> set name luoyinsheng OK #添加内内容 192.168.152.133:6380> get name "luoyinsheng" #可以查看到时哟添加的信息 192.168.152.133:6380> exit [root@redis1 6380]# redis-cli -h 192.168.152.133 -p 6381 -a redis #加密码必须指定密码 Warning: Using a password with '-a' or '-u' option on the command line interface may not be safe. 192.168.152.133:6381> info replication # Replication 查看状态,是master还是slave role:slave master_host:192.168.152.133 master_port:6380 master_link_status:up master_last_io_seconds_ago:2 master_sync_in_progress:0 slave_repl_offset:358 slave_priority:100 slave_read_only:1 connected_slaves:0 master_replid:ae5cc872d0b56a677d38a64c8e4bc810cfb43a5f master_replid2:0000000000000000000000000000000000000000 master_repl_offset:358 second_repl_offset:-1 repl_backlog_active:1 repl_backlog_size:1048576 repl_backlog_first_byte_offset:1 repl_backlog_histlen:358 192.168.152.133:6381> get name "luoyinsheng" 若在slave上可以查到master的信息,证明自己的单节点多实例部署成功.