N. Dun, H. Fujita, A. Fang, Yan Liu, A. Chien, P. Balaji, K. Iskra, Wesley Bland, A. Siegel
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Flexible Error Recovery Using Versions in Global View Resilience
We present the Global View Resilience (GVR) system, a library that enables applications to add resilience in a portable, application-controlled fashion using versioned distributed arrays. We briefly describe GVR's interfaces for distributed arrays, versioning, and cross-layer error recovery. We illustrate how GVR can be used for rollback recovery and a wide range additional error recovery techniques including forward recovery for latent errors or silent data corruptions. Application results demonstrate that GVR's interfaces and implementation are portable, flexible (support a variety of recovery models), efficient and create a gentle-slope path to tolerate growing error rates in future systems.