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Rapport (Rapport De Recherche) Année : 2000

A Two-Level Checkpoint Algorithm in a Highly-Available Parallel Single Level Store System

Résumé

A Parallel Single Level Store systems (PSLS) integrates a shared virtual memory and a parallel file system. Managing globally the data, they provide programmers of scientific applications with the attractive shared memory programming model combined with a large and efficient file system in a cluster. In this paper, we present a cheap and efficient two-level checkpointi- ng approach enabling a PSLS to tolerate failures. The first level checkpointing algorithm is very efficient and saves data in memory but requires a large amount of memory space. When memories are saturated, an alternative algorithm, saving a checkpoint on disks is implemented. Performance results present the impact of different variants of the checkpointing algorithms.
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Dates et versions

inria-00072547 , version 1 (24-05-2006)

Identifiants

  • HAL Id : inria-00072547 , version 1

Citer

Christine Morin, Renaud Lottiaux, Anne-Marie Kermarrec. A Two-Level Checkpoint Algorithm in a Highly-Available Parallel Single Level Store System. [Research Report] RR-4086, INRIA. 2000. ⟨inria-00072547⟩
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