2 papers
cs.DB2026
DiaLSM: Towards Write-Stall-Free Performance via Shard-based LSM-tree
Hongsu Byun, Safdar Jamil, Honghyeon Yoo +5
Log-Structured Merge-tree (LSM) aims to achieve high write throughput, but is known to experience the write stall problems when subjected to sustained write pressure. We quantify t…
cs.DB2026
RESYSTANCE: Unleashing Hidden Performance of Compaction in LSM-trees via eBPF
Hongsu Byun, Seungjae Lee, Honghyeon Yoo +2
The development of high-speed storage devices such as NVMe SSDs has shifted the primary I/O bottleneck from hardware to software. Modern database systems also rely on kernel-based…