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 hates BTrees 20:00 summary Resources https://en.wikipedia.org/wiki/Write_amplification https://www.cybertec-postgresql.com/en/hot-updates-in-postgresql-for-better-performance/ https://youtu.be/5Mh3o886qpg