NDLI: HyCache+: Towards Scalable High-Performance Caching Middleware for Parallel File Systems

Content Provider	IEEE Xplore Digital Library
Author	Dongfang Zhao Kan Qiao Raicu, I.
Copyright Year	2014
Description	Author affiliation: Illinois Inst. of Technol., Chicago, IL, USA (Dongfang Zhao; Kan Qiao; Raicu, I.)
Abstract	The ever-growing gap between the computation and I/O is one of the fundamental challenges for future computing systems. This computation-I/O gap is even larger for modern large scale high-performance systems due to their state-of-the-art yet decades long architecture: the compute and storage resources form two cliques that are interconnected with shared networking infrastructure. This paper presents a distributed storage middleware, called HyCache+, right on the compute nodes, which allows I/O to effectively leverage the high bi-section bandwidth of the high-speed interconnect of massively parallel high-end computing systems. HyCache+ provides the POSIX interface to end users with the memory-class I/O throughput and latency, and transparently swap the cached data with the existing slow speed but high-capacity networked attached storage. HyCache+ has the potential to achieve both high performance and low cost large capacity, the best of both worlds. To further improve the caching performance from the perspective of the global storage system, we propose a 2-phase mechanism to cache the hot data for parallel applications, called 2-Layer Scheduling (2LS), which minimizes the file size to be transferred between compute nodes and heuristically replaces files in the cache. We deploy HyCache+ on the IBM Blue Gene/P supercomputer, and observe two orders of magnitude faster I/O throughput than the default GPFS parallel file system. Furthermore, the proposed heuristic caching approach shows 29X speedup over the traditional LRU algorithm.
Starting Page	267
Ending Page	276
File Size	395154
Page Count	10
File Format	PDF
ISBN	9781479927845
DOI	10.1109/CCGrid.2014.11
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-05-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Throughput Protocols Distributed databases Servers Bandwidth Encoding Middleware heterogeneous storage distributed caching parallel and distributed file systems
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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