Qingyun Technology Community

Sep 14, 2021 · Fundamentals

How KVSSD Integrates LSM Trees and Flash Translation to Slash Write Amplification

This article reviews the KVSSD paper presented at DATE 2018, explaining how close integration of LSM trees with the flash translation layer reduces write amplification, outlines the design optimizations such as K2P mapping, remapping compaction, hot‑cold separation, and discusses performance results and industry progress.