FAST '23 - ADOC: Automatically Harmonizing Dataflow Between Components in Log-Structured Key-Value

ADOC: Automatically Harmonizing Dataflow Between Components in Log-Structured Key-Value Stores for Improved Performance

Jinghuan Yu, City University of Hong Kong; Sam H. Noh, UNIST & Virginia Tech; Young-ri Choi, UNIST; Chun Jason Xue, City University of Hong Kong

Log-Structure Merge-tree (LSM) based Key-Value (KV) systems are widely deployed. A widely acknowledged problem with LSM-KVs is write stalls, which refers to sudden performance drops under heavy write pressure. Prior studies have attributed write stalls to a particular cause such as a …

amp city fast hong kong jason key kong log merge performance problem sam systems tech under university value virginia young