Reducing Events to Augment Log-based Anomaly Detection Models: An Empirical Study

Fuente: arXiv
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Autores principales: Zhang, Lingzhe, Jia, Tong, Wang, Kangjin, Jia, Mengxi, Yong, Yang, Li, Ying
Formato: Preprint
Publicado: 2024
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author Zhang, Lingzhe
Jia, Tong
Wang, Kangjin
Jia, Mengxi
Yong, Yang
Li, Ying
author_facet Zhang, Lingzhe
Jia, Tong
Wang, Kangjin
Jia, Mengxi
Yong, Yang
Li, Ying
contents As software systems grow increasingly intricate, the precise detection of anomalies have become both essential and challenging. Current log-based anomaly detection methods depend heavily on vast amounts of log data leading to inefficient inference and potential misguidance by noise logs. However, the quantitative effects of log reduction on the effectiveness of anomaly detection remain unexplored. Therefore, we first conduct a comprehensive study on six distinct models spanning three datasets. Through the study, the impact of log quantity and their effectiveness in representing anomalies is qualifies, uncovering three distinctive log event types that differently influence model performance. Drawing from these insights, we propose LogCleaner: an efficient methodology for the automatic reduction of log events in the context of anomaly detection. Serving as middleware between software systems and models, LogCleaner continuously updates and filters anti-events and duplicative-events in the raw generated logs. Experimental outcomes highlight LogCleaner's capability to reduce over 70% of log events in anomaly detection, accelerating the model's inference speed by approximately 300%, and universally improving the performance of models for anomaly detection.
format Preprint
id arxiv_https___arxiv_org_abs_2409_04834
institution arXiv
publishDate 2024
record_format arxiv
spellingShingle Reducing Events to Augment Log-based Anomaly Detection Models: An Empirical Study
Zhang, Lingzhe
Jia, Tong
Wang, Kangjin
Jia, Mengxi
Yong, Yang
Li, Ying
Software Engineering
Artificial Intelligence
As software systems grow increasingly intricate, the precise detection of anomalies have become both essential and challenging. Current log-based anomaly detection methods depend heavily on vast amounts of log data leading to inefficient inference and potential misguidance by noise logs. However, the quantitative effects of log reduction on the effectiveness of anomaly detection remain unexplored. Therefore, we first conduct a comprehensive study on six distinct models spanning three datasets. Through the study, the impact of log quantity and their effectiveness in representing anomalies is qualifies, uncovering three distinctive log event types that differently influence model performance. Drawing from these insights, we propose LogCleaner: an efficient methodology for the automatic reduction of log events in the context of anomaly detection. Serving as middleware between software systems and models, LogCleaner continuously updates and filters anti-events and duplicative-events in the raw generated logs. Experimental outcomes highlight LogCleaner's capability to reduce over 70% of log events in anomaly detection, accelerating the model's inference speed by approximately 300%, and universally improving the performance of models for anomaly detection.
title Reducing Events to Augment Log-based Anomaly Detection Models: An Empirical Study
topic Software Engineering
Artificial Intelligence
url https://arxiv.org/abs/2409.04834