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Design of a High-Performance, High-Endurance Key-Value SSD for Large-Key Workloads
- Issue Date
- Jul-2023
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- Key-value SSD; large-key workloads
- Citation
- IEEE Computer Architecture Letters, v.22, no.2, pp 149 - 152
- Pages
- 4
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE Computer Architecture Letters
- Volume
- 22
- Number
- 2
- Start Page
- 149
- End Page
- 152
- ISSN
- 1556-6056
1556-6064
- 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. © 2023 IEEE.
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Related Researcher
- Kang, Kyung tae
- COLLEGE OF COMPUTING (DEPARTMENT OF ARTIFICIAL INTELLIGENCE)