redis 數據導入導出,實例內db遷移


源實例db0遷移至目標實例db1

1 [root@172.20.0.1 ~]# cat redis_mv.sh
2 #!/bin/bash
3 redis-cli -h 172.20.0.1 -p 6379 -a password -n 0 keys "*" | while read key
4 do
5     redis-cli -h 172.20.0.1 -p 6379 -a password -n 0 --raw dump $key | perl -pe 'chomp if eof' | redis-cli -h 172.20.0.2 -p 6379 -a password -n 1 -x restore $key 0
6     echo "migrate key $key"
7 done

 

aof導入方式:

1.源實例生成aof數據

1 # 清空上文目標實例全部數據
2 [root@172.20.0.1 ~]# redis-cli -h 172.20.0.2 -a password flushall
3 OK
4 # 源實例開啟aof功能,將在dir目錄下生成appendonly.aof文件
5 [root@172.20.0.1 ~]# redis-cli -h 172.20.0.1 -a password config set appendonly yes
6 OK

2.目標實例導入aof數據

1 # 假設appendonly.aof就在當前路徑下
2 [root@172.20.0.1 ~]# redis-cli -h 172.20.0.2 -a password --pipe < appendonly.aof
3 All data transferred. Waiting for the last reply...
4 Last reply received from server.
5 errors: 0, replies: 5
6 # 源實例關閉aof功能
7 [root@172.20.0.1 ~]# redis-cli -h 172.20.0.1 -a password config set appendonly no
8 OK

 


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