1. Introduction to Redis

1. The NoSQL family

2. What is Redis

(1) abbreviation for REmote DIctionary server

(2) Key-value type Memory Database

(3) Rich data structure (String,hash,list,set,zset)

3. Multifunctional Goddess

Redis server-side command processing uses single-threaded mode, inherently supports atomic operations, and a wide variety of data types enable data caching in all scenarios.

(1) data cache, quick access

(2) Take the latest n data operation

(3) Leaderboard application, Top n operation

(4) need to accurately set the expiration time of operation

(5) Counter operation

(6) Unique operation

(7) Building a queue system

4. The Goddess her father

(1) Salvatore Sanfilippo Twitter account: @antirez
(2) The default boot port after Redis installation is 6379:

6379 Merz The corresponding number on the phone keypad, and Merz is taken from the Italian showgirl Alessiamerz name

1. Introduction to Redis