Redis data migration method 4

Synchronize data through master-slave mode

start-up 2 An example , Turn on AOF Backup

Source instance ：127.0.0.1:7000

Examples of goals ：127.0.0.1:8000

Step1： Log in to the target instance , adopt slaveof From the role to the source instance

bak]# redis-cli -h 127.0.0.1 -p 8000 
127.0.0.1:8000> slaveof 127.0.0.1 7000
OK
127.0.0.1:8000> info replication
# Replication
role:slave
master_host:127.0.0.1
master_port:7000
master_link_status:up
master_last_io_seconds_ago:6
master_sync_in_progress:0
slave_read_repl_offset:14
slave_repl_offset:14

Step2: Verify synchronization data

127.0.0.1:8000> keys *
 1) "k2"
 2) "sname"
 3) "k10"
 4) "k4"
 5) "hclass1"
 6) "k8"
 7) "k9"
 8) "hclass2"
 9) "k3"
10) "k6"
11) "hclass3"
12) "lname"
13) "k1"
14) "k7"
15) "k5"

Step3, Disconnect master-slave synchronization

127.0.0.1:8000> slaveof no one
OK
127.0.0.1:8000> 
127.0.0.1:8000>