Merge remote-tracking branch 'origin/main' into practical-training

README.md

@@ -26,10 +26,18 @@ info replication
 slaveof 192.168.114.114 6379
 replicaof 192.168.114.114 6379
 masterauth "helloearth"
-# 允许从节点进行读写操作
+# 允许从节点进行读写操作,优先使用replica
+slave-read-only yes
 replica-read-only no
 ```
 
+Redis 主从架构中对用户进行细粒度的读写权限控制
+
+```bash
+$ redis-cli -h 192.168.114.114 -p 6379
+> ACL SETUSER omcuser on >readwrite|db10
+```
+
 ## 一些服务器
 
 ```txt