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Journals ACM SIGARCH Computer Architecture News Volume 32 Issue 5

Distributed Shortest-Positioning Time First (D-SPTF) is a request distribution protocol for decentralized systems of storage servers. D-SPTF exploits high-speed interconnects to dynamically select which server, among those with a replica, should service each read request. In doing so, it simultaneously balances load, exploits the aggregate cache capacity, and reduces positioning times for cache misses. For network latencies expected in storage clusters (e.g., 10--200μs), D-SPTF performs as well as would a hypothetical centralized system with the same collection of CPU, cache, and disk resources. Compared to popular decentralized approaches, D-SPTF achieves up to 65% higher throughput and adapts more cleanly to heterogenous server capabilities.

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D-SPTF: decentralized request distribution in brick-based storage systems

Lumb, Christopher R.; Golding, Richard
ACM SIGARCH Computer Architecture News , Volume 32 (5)
Association for Computing Machinery – Dec 1, 2004

More Info
  • Publisher Association for Computing Machinery
  • Copyright The ACM Portal is published by the Association for Computing Machinery. Copyright © 2010 ACM, Inc.
  • Subject Performance evaluation (efficiency and effectiveness)
  • ISSN 0163-5964
  • D.O.I. 10.1145/1037947.1024399
  • Publisher site Get PDF  

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