Relative fitness modeling

  • Authors:
  • Michael P. Mesnier;Matthew Wachs;Raja R. Sambasivan;Alice X. Zheng;Gregory R. Ganger

  • Affiliations:
  • -;-;-;-;-

  • Venue:
  • Communications of the ACM - A Direct Path to Dependable Software
  • Year:
  • 2009

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Abstract

Relative fitness is a new approach to modeling the performance of storage devices (e.g., disks and RAID arrays). In contrast to a conventional model, which predicts the performance of an application's I/O on a given device, a relative fitness model predicts performance differences between devices. The result is significantly more accurate predictions.