Optimizing Parallel Input/output Using Adaptive File System Policies
Elford, Christopher Lloyd
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Permalink
https://hdl.handle.net/2142/81916
Description
Title
Optimizing Parallel Input/output Using Adaptive File System Policies
Author(s)
Elford, Christopher Lloyd
Issue Date
1998
Doctoral Committee Chair(s)
Daniel A. Reed
Department of Study
Computer Science
Discipline
Computer Science
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
Ph.D.
Degree Level
Dissertation
Keyword(s)
Computer Science
Language
eng
Abstract
We have implemented this approach via several extensions to the Portable Parallel File System (PPFS) testbed. Sensor metrics that summarize dynamic access pattern information and file system performance effectively guide adaptive policy selection, affording significant performance improvements over less adaptive optimization strategies. Our results with both parallel access pattern benchmarks and parallel scientific applications demonstrate the efficacy of our approach.
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