Redis 4.x Cookbook

How it works...

There is a big chance that you will go through these commands in tremendous confusion. As we stated in the Getting ready section in this recipe, these commands are the language in which the Redis Server and client talk to each other. It's easy for you to learn them in that there are only five types in RESP.

Let's take a look at each command.

First, we sent *1\r\n\$4\r\nPING\r\n to the Redis Server. The command begins with an asterisk indicating this is an arrays type.

Look at the following:

• 1 stands for the size of this array.
• \r\n (CRLF) is the terminator of each part in RESP.
• The backslash before $4 is the escape character for the $ sign. $4 tells you that the following is a bulk string type of four characters long.
• PING ...