背景
最近在熟悉redis相关命令,此次学习一下redis client与redis server如何通信
Redis-Client与Reids-Server如何通信
redis-server与redis-client通过tcp连接进行数据交互,服务端默认端口号为6379,并且客户端和服务器发送的命令一律以\r\n(CRLF)结束
redis请求协议,在这个协议中,所有发至服务器的参数都是二进制安全的.
* <参数数量>
$<参数1的字节数量> CRLF
<参数1的数据> CRLF
比如:实现redis get keys操作如下:
*2
$3
get
$4
keys
status reply的第一个字节是+error reply的第一个字节是-
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