A Performance Isolation Algorithm for Shared Virtualization Storage System

被引：4

作者：

Ke Jian ^{[1
,2
]}

Zhu Xu-dong ^{[3
]}

Na Wen-wu ^{[1
]}

Zhang Jun-wei ^{[1
]}

Han Xiao-ming ^{[1
]}

Zhang Jian-gang ^{[1
]}

Xu Lu ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Comp Technol, Beijing, Peoples R China

[2] Chinese Acad Sci, Grad Univ, Beijing, Peoples R China

[3] Zhejiang Gongshang Univ, Sch Comp Sci & Informat Engn, Hangzhou, Peoples R China

来源：

NAS: 2009 IEEE INTERNATIONAL CONFERENCE ON NETWORKING, ARCHITECTURE, AND STORAGE | 2009年

基金：

国家高技术研究发展计划(863计划);

关键词：

virtualization storage system; performance isolation; admission control; proportional resource allocation;

D O I：

10.1109/NAS.2009.13

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

It is a challenging task that enables performance isolation while providing performance guarantees among applications that share storage infrastructure. This paper presents Admission-control-based Proportional Allocation (APA), a novel I/O request scheduler that combines the admission control of worst-case resources reserved with the proportional resources allocation to manage the bandwidth resources for performance isolation. APA has three characteristics: 1) admission control for I/O requests of applications; 2) fairness allocation for idle bandwidth resources; 3) performance monitoring and feedback-based weight adjustment. We implemented APA in a prototype Performance Virtual Storage System (PVSS). Through experiments on a real system, we show that APA has ability to provide the performance isolation and predictable performance guarantees, and to avoid the performance interference among virtual disks.

引用

页码：35 / +

页数：3

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