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Log analysis via space-time pattern matching

Abstract : This paper proposes a new methodology inspired from pattern matching and able to find alarm correlations with or without prior knowledge about the monitored system. The data structure can store every observed pattern of correlated alarms by processing logs online. It can be queried to extract the patterns of alarms leading to an arbitrary failure. First, we propose a framework able to represent alarm logs according to spatio-temporal dependencies. Second, we design a new scalable data structure, able to store every observed pattern of alarms, and validate it by simulation. Third, we show how to exploit this data structure for fault diagnosis.
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https://hal.archives-ouvertes.fr/hal-02909936
Contributor : Achille Salaün <>
Submitted on : Friday, July 31, 2020 - 2:36:39 PM
Last modification on : Monday, August 24, 2020 - 4:16:13 PM

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  • HAL Id : hal-02909936, version 1

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Anne Bouillard, Marc-Olivier Buob, Maxime Raynal, Achille Salaün. Log analysis via space-time pattern matching. CNSM 2018: 14th International Conference on Network and Service Management, Nov 2018, Roma, Italy. pp.303-307. ⟨hal-02909936⟩

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