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Redis搭建一主多从的实现步骤

8人参与 2025-10-23 Redis

1.创建redis文件夹,创建三个redis文件

[root@192 redis]# touch redis6379.conf
[root@192 redis]# touch redis6380.conf
[root@192 redis]# touch redis6381.conf

2.分别在文件里配置

include ./redis.conf
pidfile /var/run/redis_6379.pid
port 6379
dbfilename dump6379.rdb

include ./redis.conf
pidfile /var/run/redis_6380.pid
port 6380
dbfilename dump6380.rdb
include ./redis.conf
pidfile /var/run/redis_6381.pid
port 6381
dbfilename dump6381.rdb

3.启动三台redis服务器

redis-server redis6379.conf 
redis-server redis6380.conf 
redis-server redis6381.conf 

4.查看进程,看看三台服务器是否启动

[root@192 redis]# ps -ef|grep redis
zhangsan   3660      1  0 16:13 ?        00:00:02 redis-server 127.0.0.1:6379
root       5153   4831  0 16:46 pts/1    00:00:00 redis-cli -p 6379
root       5629      1  0 17:06 ?        00:00:00 redis-server 127.0.0.1:6380
root       5643      1  0 17:07 ?        00:00:00 redis-server 127.0.0.1:6381
root       5660   3958  0 17:07 pts/0    00:00:00 grep --color=auto redis

info replication

打印主从复制相关信息

1. 6379

127.0.0.1:6379> info replication
# replication
role:master
connected_slaves:0
master_replid:a4cb730c964f637bb2bb44c43b86a69fcefba026
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:0
second_repl_offset:-1
repl_backlog_active:0
repl_backlog_size:1048576
repl_backlog_first_byte_offset:0
repl_backlog_histlen:0

2. 6380

127.0.0.1:6380> info replication
# replication
role:master
connected_slaves:0
master_replid:e28531bc6bf909df026ebf2fdfdca211390c2d2f
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:0
second_repl_offset:-1
repl_backlog_active:0
repl_backlog_size:1048576
repl_backlog_first_byte_offset:0
repl_backlog_histlen:0

3.6381

127.0.0.1:6381> info replication
# replication
role:master
connected_slaves:0
master_replid:32928632beb1666e37a6ccbbb71310f95154b278
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:0
second_repl_offset:-1
repl_backlog_active:0
repl_backlog_size:1048576
repl_backlog_first_byte_offset:0
repl_backlog_histlen:0

4.在6380和6381上执行 : slaveof 127.0.0.1 6379

1. 6379

127.0.0.1:6379> info replication
# replication
role:master
connected_slaves:2
slave0:ip=127.0.0.1,port=6381,state=online,offset=56,lag=1
slave1:ip=127.0.0.1,port=6380,state=online,offset=56,lag=1
master_replid:084f099bcf0dfcf30a81d204fb69bb8f8728c5d8
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:56
second_repl_offset:-1
repl_backlog_active:1
repl_backlog_size:1048576
repl_backlog_first_byte_offset:1
repl_backlog_histlen:56

2. 6380

127.0.0.1:6380> slaveof 127.0.0.1 6379
ok
127.0.0.1:6380> info replication
# replication
role:slave
master_host:127.0.0.1
master_port:6379
master_link_status:down
master_last_io_seconds_ago:-1
master_sync_in_progress:0
slave_repl_offset:1
master_link_down_since_seconds:1690103952
slave_priority:100
slave_read_only:1
connected_slaves:0
master_replid:e28531bc6bf909df026ebf2fdfdca211390c2d2f
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:0
second_repl_offset:-1
repl_backlog_active:0
repl_backlog_size:1048576
repl_backlog_first_byte_offset:0
repl_backlog_histlen:0

3. 6381

127.0.0.1:6381> slaveof 127.0.0.1 6379
ok
127.0.0.1:6381> info replication
# replication
role:slave
master_host:127.0.0.1
master_port:6379
master_link_status:down
master_last_io_seconds_ago:-1
master_sync_in_progress:0
slave_repl_offset:0
master_link_down_since_seconds:1690103984
slave_priority:100
slave_read_only:1
connected_slaves:0
master_replid:32928632beb1666e37a6ccbbb71310f95154b278
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:0
second_repl_offset:-1
repl_backlog_active:0
repl_backlog_size:1048576
repl_backlog_first_byte_offset:0
repl_backlog_histlen:0

到此这篇关于redis搭建一主多从的实现步骤的文章就介绍到这了,更多相关redis 一主多从内容请搜索代码网以前的文章或继续浏览下面的相关文章希望大家以后多多支持代码网!

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