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Titolo:
A COHERENT DISTRIBUTED FILE CACHE WITH DIRECTORY WRITE-BEHIND
Autore:
MANN T; BIRRELL A; HISGEN A; JERIAN C; SWART G;
Indirizzi:
DIGITAL EQUIPMENT CORP,SYST RES CTR,130 LYTTON AVE PALO ALTO CA 94301
Titolo Testata:
ACM transactions on computer systems
fascicolo: 2, volume: 12, anno: 1994,
pagine: 123 - 164
SICI:
0734-2071(1994)12:2<123:ACDFCW>2.0.ZU;2-J
Fonte:
ISI
Lingua:
ENG
Soggetto:
SYSTEM;
Keywords:
DESIGN; EXPERIMENTATION; MEASUREMENT; PERFORMANCE; RELIABILITY; SECURITY; COHERENCE; FILE CACHING; WRITE-BEHIND;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
CompuMath Citation Index
Science Citation Index Expanded
Citazioni:
30
Recensione:
Indirizzi per estratti:
Citazione:
T. Mann et al., "A COHERENT DISTRIBUTED FILE CACHE WITH DIRECTORY WRITE-BEHIND", ACM transactions on computer systems, 12(2), 1994, pp. 123-164

Abstract

Extensive caching is a key feature of the Echo distributed file system. Echo client machines maintain coherent caches of file and directorydata and properties, with write-behind (delayed write-back) of all cached information. Echo specifies ordering constraints on this write-behind, enabling applications to store and maintain consistent data structures in the file system even when crashes or network faults prevent some writes from being completed. In this paper we describe the Echo cache's coherence and ordering semantics, show how they can improve theperformance and consistency of applications, and explain how they areimplemented. We also discuss the general problem of reliably notifying applications and users when write-behind is lost; we addressed this problem as part of the Echo design, but did not find a fully satisfactory solution.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 07/07/20 alle ore 19:18:39