Title
Heterogeneity-Aware Collective I/O for Parallel I/O Systems with Hybrid HDD/SSD Servers.
Abstract
Collective I/O is a widely used middleware technique that exploits I/O access correlation among multiple processes to improve I/O system performance. However, most existing implementations of collective I/O strategies are designed and optimized for homogeneous I/O systems. In practice, the homogeneity assumptions do not hold in heterogeneous parallel I/O systems, which consist of multiple HDD and SSD-based servers and become increasingly promising. In this paper, we propose a heterogeneity-aware collective-I/O (HACIO) strategy to enhance the performance of conventional collective I/O operations. HACIO reorganizes the order of I/O requests for each aggregator with awareness of the storage performance of heterogeneous servers, so that the hardware of the systems can be better utilized. We have implemented HACIO in ROMIO, a widely used MPI-IO library. Experimental results show that HACIO can significantly increase the I/O throughputs of heterogeneous I/O systems.
Year
DOI
Venue
2017
10.1109/TC.2016.2637353
IEEE Trans. Computers
Keywords
Field
DocType
Servers,Hardware,System performance,Middleware,Layout,Electronic mail,Sun
Middleware,Computer science,Server,Input/output,Real-time computing,Solid-state drive,Distributed computing,Multipath I/O,Parallel computing,Solaris Multiplexed I/O,Asynchronous I/O,Parallel I/O,Embedded system
Journal
Volume
Issue
ISSN
66
6
0018-9340
Citations 
PageRank 
References 
1
0.36
16
Authors
5
Name
Order
Citations
PageRank
Shuibing He110920.45
Yang Wang218845.73
Xian-he Sun31987182.64
Huang Chuanhe46110.92
Z. Chen53443271.62