@article{ART002042310},
author={Jung Kyu Park},
title={An MCFQ I/O Scheduler Considering Virtual Machine Bandwidth Distribution},
journal={Journal of The Korea Society of Computer and Information},
issn={1598-849X},
year={2015},
volume={20},
number={10},
pages={91-97}
TY - JOUR
AU - Jung Kyu Park
TI - An MCFQ I/O Scheduler Considering Virtual Machine Bandwidth Distribution
JO - Journal of The Korea Society of Computer and Information
PY - 2015
VL - 20
IS - 10
PB - The Korean Society Of Computer And Information
SP - 91
EP - 97
SN - 1598-849X
AB - In this paper, we propose a MCFQ I/O scheduler that is implemented by modifying the existing Linux CFQ I/O scheduler. MCFQ observes whether the user requested I/O bandwidth weight is well distributed. Based on the I/O bandwidth observation, we improved I/O performance of the existing bandwidth distribution ability by dynamically controlling the I/O time-slice of the virtual machine. The use of SSDs as storage has been increasing dramatically in recent computer systems due to their fast performance and low power usage. As the usage of SSD increases and prices fall, virtualized system administrators can take advantage of SSDs. However, studies on guaranteeing SLA(Service Level Agreement) services when multiple virtual machines share the SSD is still incomplete. In this paper was conducted to improve performance of the bandwidth distribution when multiple virtual machine are sharing a single SSD storage in a virtualized environment. In particular, it was observed that the performance of the bandwidth distribution varied widely when garbage collection occurs in the SSD.
In order to reduce performance variance, we add a MoTS(Manager of Time Slice) on existing CFQ I/O scheduler.
KW - SSD;Virtualization. SLA;CQF
DO -
UR -
ER -
Jung Kyu Park. (2015). An MCFQ I/O Scheduler Considering Virtual Machine Bandwidth Distribution. Journal of The Korea Society of Computer and Information, 20(10), 91-97.
Jung Kyu Park. 2015, "An MCFQ I/O Scheduler Considering Virtual Machine Bandwidth Distribution", Journal of The Korea Society of Computer and Information, vol.20, no.10 pp.91-97.
Jung Kyu Park "An MCFQ I/O Scheduler Considering Virtual Machine Bandwidth Distribution" Journal of The Korea Society of Computer and Information 20.10 pp.91-97 (2015) : 91.
Jung Kyu Park. An MCFQ I/O Scheduler Considering Virtual Machine Bandwidth Distribution. 2015; 20(10), 91-97.
Jung Kyu Park. "An MCFQ I/O Scheduler Considering Virtual Machine Bandwidth Distribution" Journal of The Korea Society of Computer and Information 20, no.10 (2015) : 91-97.
Jung Kyu Park. An MCFQ I/O Scheduler Considering Virtual Machine Bandwidth Distribution. Journal of The Korea Society of Computer and Information, 20(10), 91-97.
Jung Kyu Park. An MCFQ I/O Scheduler Considering Virtual Machine Bandwidth Distribution. Journal of The Korea Society of Computer and Information. 2015; 20(10) 91-97.
Jung Kyu Park. An MCFQ I/O Scheduler Considering Virtual Machine Bandwidth Distribution. 2015; 20(10), 91-97.
Jung Kyu Park. "An MCFQ I/O Scheduler Considering Virtual Machine Bandwidth Distribution" Journal of The Korea Society of Computer and Information 20, no.10 (2015) : 91-97.
