Analysis and Modeling of Time-Correlated Failures in Large-Scale Distributed Systems

Nezih Yigitbasi Matthieu Gallet 1, 2, * Derrick Kondo 3, * Alexandru Iosup 4, 5 Dick Epema 4
* Auteur correspondant
2 GRAAL - Algorithms and Scheduling for Distributed Heterogeneous Platforms
Inria Grenoble - Rhône-Alpes, LIP - Laboratoire de l'Informatique du Parallélisme
3 MESCAL - Middleware efficiently scalable
Inria Grenoble - Rhône-Alpes, LIG - Laboratoire d'Informatique de Grenoble
Abstract : The analysis and modeling of the failures bound to occur in today's large-scale production systems is invaluable in providing the understanding needed to make these systems fault-tolerant yet efficient. Many previous studies have modeled failures without taking into account the time-varying behavior of failures, under the assumption that failures are identically, but independently distributed. However, the presence of time correlations between failures (such as peak periods with increased failure rate) refutes this assumption and can have a significant impact on the effectiveness of fault-tolerance mechanisms. For example, the performance of a proactive fault-tolerance mechanism is more effective if the failures are periodic or predictable; similarly, the performance of checkpointing, redundancy, and scheduling solutions depends on the frequency of failures. In this study we analyze and model the time-varying behavior of failures in large-scale distributed systems. Our study is based on nineteen failure traces obtained from (mostly) production large-scale distributed systems, including grids, P2P systems, DNS servers, web servers, and desktop grids. We first investigate the time correlation of failures, and find that many of the studied traces exhibit strong daily patterns and high autocorrelation. Then, we derive a model that focuses on the peak failure periods occurring in real large-scale distributed systems. Our model characterizes the duration of peaks, the peak inter-arrival time, the inter-arrival time of failures during the peaks, and the duration of failures during peaks; we determine for each the best-fitting probability distribution from a set of several candidate distributions, and present the parameters of the (best) fit. Last, we validate our model against the nineteen real failure traces, and find that the failures it characterizes are responsible on average for over 50% and up to 95% of the downtime of these systems.
Type de document :
Communication dans un congrès
Grid 2010 - Proceedings of the 11th ACM/IEEE International Conference on Grid Computing, 2010, Bruxelles, Belgium. ACM / IEEE Computer Society Press, pp.355-366, 2010, 〈10.1109/GRID.2010.5697961〉
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Soumis le : vendredi 8 février 2013 - 11:33:12
Dernière modification le : mardi 16 janvier 2018 - 16:05:54

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Nezih Yigitbasi, Matthieu Gallet, Derrick Kondo, Alexandru Iosup, Dick Epema. Analysis and Modeling of Time-Correlated Failures in Large-Scale Distributed Systems. Grid 2010 - Proceedings of the 11th ACM/IEEE International Conference on Grid Computing, 2010, Bruxelles, Belgium. ACM / IEEE Computer Society Press, pp.355-366, 2010, 〈10.1109/GRID.2010.5697961〉. 〈hal-00786266〉

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