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Conference Papers Year : 2014

A Self-Configurable Geo-Replicated Cloud Storage System


Reconfiguring a cloud storage system can improve its overall service. Tuba is a geo-replicated key-value store that automatically reconfigures its set of replicas while respecting application-defined constraints so that it adapts to changes in clients’ locations or request rates. New replicas may be added, existing replicas moved, replicas upgraded from secondary to primary, and the update propagation between replicas adjusted. Tuba extends a commercial cloudbased service, Microsoft Azure Storage, with broad consistency choices (as in Bayou), consistency-based SLAs (as in Pileus), and a novel replication configuration service. Compared with a system that is statically configured, our evaluation shows that Tuba increases the reads that return strongly consistent data by 63%.
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Dates and versions

hal-01102803 , version 1 (13-01-2015)


  • HAL Id : hal-01102803 , version 1


Masoud Saeida Ardekani, Terry B. Douglas. A Self-Configurable Geo-Replicated Cloud Storage System. 11th USENIX Symposium on Operating Systems Design and Implementation (OSDI 14), 2014, Broomfield, CO, United States. ⟨hal-01102803⟩
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