Redis 4.x Cookbook

How to do it...

The steps for exploring AOF are as follows:

1. Enable AOF persistence:

127.0.0.1:6379> CONFIG SET appendonly yes 
OK 

2. Since there is no data in Redis, we should have an empty AOF file:

$ ls -l 
-rw-rw---- 1 redis redis   0 Oct 23 20:47 appendonly.aof 

3. Run the following commands in redis-cli:

127.0.0.1:6379> SET k1 v1 
OK 
127.0.0.1:6379> INCR counter 
(integer) 1 
127.0.0.1:16379> INCR counter 
(integer) 2 
127.0.0.1:6379> SET k2 v2 
OK 
127.0.0.1:6379> DEL k1 
(integer) 1 
127.0.0.1:6379> DEL k3 
(integer) 0 
127.0.0.1:6379> HSET mykey f1 v1 f2 v2 
(integer) 2 

4. Open the AOF file using a text editor:

*2\r\n$6\r\nSELECT\r\n$1\r\n0\r\n*3\r\n$3\r\nset\r\n$2\r\nk1\r\n$2\r\nv1\r\n*2\r\n$4\r\nincr\r\n$7\r\ncounter\r\n*2\r\n$4\r\nincr\r\n$7\r\ncounter\r\n ...