Myungcheol Lee

DiaLSM: Towards Write-Stall-Free Performance via Shard-based LSM-tree

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 the occurrence probability and average duration of write stalls in LSM using a queuing model in the write--flush--compaction pipeline, moving...