Abstract
This paper describes a study on log mining in the domain of microservices technologies. We focus on the detection of anomalies from logs, i.e., events requiring deeper inspection by analysts. Log mining is challenging in microservices systems due to the high number of heterogeneous logs. We present Micro2vec, a novel approach to mine numeric representations of computer logs without making assumptions on the format of underlying data and requiring no application knowledge; representations computed by Micro2vec are suited for anomaly detection. To cope with the lack of publicly-available datasets of labeled logs from production systems, we validate our approach by means of a mixture of direct measurements from logs, one-class classification experiments and generation of log variants. The study has been conducted in the context of a Clearwater IP Multimedia Subsystem setup consisting of microservices deployed in Docker containers, and on a real-world critical information system from the Air Traffic Control domain, which implements a communication model typically used with microservices.
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