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12

OSDI
2008
ACM

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Error Log Processing for Accurate Failure Prediction

14 years 4 months ago

Error Log Processing for Accurate Failure Prediction

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Error logs are a fruitful source of information both for diagnosis as well as for proactive fault handling ? however elaborate data preparation is necessary to filter out valuable pieces of information. In addition to the usage of well-known techniques, we propose three algorithms: (a) assignment of error IDs to error messages based on Levenshtein's edit distance, (b) a clustering approach to group similar error sequences, and (c) a statistical noise filtering algorithm. By experiments using data of a commercial telecommunication system we show that data preparation is an important step to achieve accurate error-based online failure prediction.

Felix Salfner, Steffen Tschirpke

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Added	03 Dec 2009
Updated	03 Dec 2009
Type	Conference
Year	2008
Where	OSDI
Authors	Felix Salfner, Steffen Tschirpke

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