@inproceedings{8340112dab9f4e7480275317c81b8b1a,
title = "Improving read performance by isolating multiple queues in NVMe SSDs",
abstract = "As NVMe SSDs have become viable, recent researches have focused on optimizing the performance of NVMe SSDs, which provide multiple I/O queues to maximize the I/O parallelism of flash-chip, while traditional operating systems are designed ordinarily for single queue storage, such as HDD and SATA SSD. Unfortunately, no prior works have considered the write interference while NVMe SSD still has the possibility of the interference. This interference is crucial in read-intensive environments because write requests negatively affect the latency of read requests. In this paper, we propose a novel queue isolation scheme that efficiently eliminates the write interference and improves the read performance by isolating read and write requests. Our experimental results clearly show that our scheme improves the read performance by up to 33\% in heavy read workloads, compared to Baseline.",
keywords = "Multi-queue, NVMe SSD, Read/write isolation, Write interference",
author = "Minkyeong Lee and Kang, \{Dong Hyun\} and Minho Lee and Eom, \{Young Ik\}",
year = "2017",
month = jan,
day = "5",
doi = "10.1145/3022227.3022262",
language = "English",
series = "Proceedings of the 11th International Conference on Ubiquitous Information Management and Communication, IMCOM 2017",
publisher = "Association for Computing Machinery, Inc",
booktitle = "Proceedings of the 11th International Conference on Ubiquitous Information Management and Communication, IMCOM 2017",
note = "11th International Conference on Ubiquitous Information Management and Communication, IMCOM 2017 ; Conference date: 05-01-2017 Through 07-01-2017",
}