Скачать или смотреть Write Amplification Explained in Backend Apps, Database Systems and SSDs

Write Amplification Is a phenomenon where the actual writes that physically happen are multiples of the actual writes desired. In this episode, I'll discuss 3 types of write amplifications and their effects on performance and lifetime of storage mediums.

0:00 intro
2:00 Application write amplification
4:30 Database write amplification
9:30 SSD Disk write amplification
16:00 SSD doesn't like BTrees
20:00 summary


Resources
https://en.wikipedia.org/wiki/Write_a...
https://www.cybertec-postgresql.com/e...


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Hussein