LOG ANALYSIS APPARATUS, LOG ANALYSIS SYSTEM, LOG ANALYSIS METHOD AND COMPUTER PROGRAM
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United States of America Patent
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Issued Date -
Aug 10, 2017
app pub date -
Aug 20, 2015
filing date -
Aug 25, 2014
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Abstract
Techniques for extracting a set of highly correlated logs without user's prior knowledge of generation rules of logs generated by a machine. A log analysis apparatus includes: a template storage unit configured to store templates for log messages; a template determination unit configured to determine templates corresponding to log messages provided from a to-be-monitored host from the stored templates; an event candidate extraction unit configured to detect templates determined for log messages provided from the same host from the determined templates and extract a sequence of the detected templates as an event candidate; and an event extraction unit configured to extract a sequence of frequently occurring templates as an event from the extracted event candidate.
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