Basically main data storage is Memory
Disk is for backup (not real time & snap shot)
Redis Structures
Structure
Redis Explained
The most accurate description of Redis is that it's a data structure server. This specific nature of Redis has led to much of its popularity and adoption amongst developers. Rather than iterating over, sorting, and ordering rows, what if the data was in data structures you wanted from the ground up?
https://architecturenotes.co/redis/

I Made My Own Redis (In Rust)
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0:00 Intro
0:34 TCP Server
3:05 Adding Concurrency
5:47 Parsing RESP Commands
10:28 Set & Get Commands
10:56 Expiring Keys
I Made My Own Redis (In Rust)
https://www.youtube.com/watch?v=8Oli30hHTmk&t=65s


Seonglae Cho