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Design of a High-Performance, High-Endurance Key-Value SSD for Large-Key Workloads

Title
Design of a High-Performance, High-Endurance Key-Value SSD for Large-Key Workloads
Author
최원일
Keywords
Key-value SSD; large-key workloads
Issue Date
2023-06
Publisher
IEEE COMPUTER SOC
Citation
IEEE COMPUTER ARCHITECTURE LETTERS, v. 22, NO 2, Page. 149-152
Abstract
Current KV-SSD design assumes a specific range of typical workloads, where the size of values is quite large while that of keys is relatively small. However, we find that (i) there exist another spectrum of workloads, whose key sizes are relatively large, compared to their value sizes, and (ii) the current KV-SSD design suffers from long tail latencies and low storage utilization under such large-key workloads. To this end, we present novel design of a KV-SSD (called LK-SSD), which can reduce tail latences and increase storage utilization under large-key workloads, and add an enhancement to it for longer device lifetime. Through extensive experiments, we show that LK-SSD is more suitable design for the large-key workloads, and also available for the typical workloads.
URI
https://information.hanyang.ac.kr/#/eds/detail?an=edseee.10143084&dbId=edseeehttps://repository.hanyang.ac.kr/handle/20.500.11754/190281
ISSN
1556-6056; 1556-6064; 2473-2575
DOI
10.1109/LCA.2023.3282276
Appears in Collections:
COLLEGE OF COMPUTING[E](소프트웨어융합대학) > COMPUTER SCIENCE(소프트웨어학부) > Articles
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