I/O - ［▌▣］

I/O

輸入／輸出

2025-03-13 IO devices and latency — PlanetScale

雲端

https://x.com/BenjDicken/status/1901659372838928631

https://www.youtube.com/watch?v=tadUeiNe5-g

磁碟

http://pages.cs.wisc.edu/~powerjg/cs354-fall15/Handouts/arulraj/ppt/CS354Lecture24.pdf

Disk System>Disk>Track>Sector

Disk Access Time

Seek Time

尋找Track

Rotational latency

尋找Sector

Transfer time

傳輸資料到記憶體

Random I/O

Sequential I/O

2013-04-08 The Fundamental Characteristics of Storage | flashdba

Latency

單個I/O的平均值

IOPS

每秒I/O數

Throughput

Bandwidth

頻寬