NDLI: Performance of the galley parallel file system

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Performance of the galley parallel file system

Content Provider	NASA Technical Reports Server (NTRS)
Author	Nieuwejaar Sr., Nils Kotz, David
Copyright Year	1996
Description	As the input/output (I/O) needs of parallel scientific applications increase, file systems for multiprocessors are being designed to provide applications with parallel access to multiple disks. Many parallel file systems present applications with a conventional Unix-like interface that allows the application to access multiple disks transparently. This interface conceals the parallism within the file system, which increases the ease of programmability, but makes it difficult or impossible for sophisticated programmers and libraries to use knowledge about their I/O needs to exploit that parallelism. Furthermore, most current parallel file systems are optimized for a different workload than they are being asked to support. We introduce Galley, a new parallel file system that is intended to efficiently support realistic parallel workloads. Initial experiments, reported in this paper, indicate that Galley is capable of providing high-performance 1/O to applications the applications that rely on them. In Section 3 we describe that access data in patterns that have been observed to be common.
File Size	1063916
Page Count	12
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19970009947
Archival Resource Key	ark:/13960/t2n63gd13
Language	English
Publisher Date	1996-05-01
Access Restriction	Open
Subject Keyword	Parallel Programming Computer Systems Performance Unix Operating System Applications Programs Computers Multiprocessing Computers Computer Storage Devices Parallel Processing Computers Computer Programs Input/output Routines Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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