본 논문은 블록 디바이스 레벨에서의 스토리지 성능 측정 방법을 제시한 것으로 SPC의 표준 모델을 기반으로 3가지 ASU에 대해 Vdbench 도구를 이용한 워크 로드를 설계하였으며, 서버-스토리지 환경에서의 DRAM- SSD와 HDD를 대상으로 시험을 수행한 결과 SPC에서 발표한 블록 디바이스 레벨에서의 HDD와 DRAM-SSD의 일반적인 성능(HDD인 경우 147.83 IOPS, DRAM-SSD인 경우 112,491 IOPS)에 근접한 실측 결과 (HDD : 163 IOPS, DRAM-SSD : 131,373 IOPS)를 확인하여 제시한 워크 로드 설계 및 측정 방법에 대한 검증을 완료하였다. 이 결과는 향후 SAN 환경과 같은 다중 서버 접속 환경에서의 통합 스토리지 성능에 대한 측정과 스토리지 성능 지표인 IOPS(Input Output Per Second), MBPS(Megabytes Per Second), RT(Response Time)와 같은 스토리지 성능 지표 환산 방법 연구(상관관계 분석 및 분포 모델 연구)에 활용될 수 있다.
KSP Keywords
response time
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