Search Results for author: Thorsten Wittkopp

Found 11 papers, 2 papers with code

Karasu: A Collaborative Approach to Efficient Cluster Configuration for Big Data Analytics

no code implementations22 Aug 2023 Dominik Scheinert, Philipp Wiesner, Thorsten Wittkopp, Lauritz Thamsen, Jonathan Will, Odej Kao

However, big data analytics jobs across users can share many common properties: they often operate on similar infrastructure, using similar algorithms implemented in similar frameworks.

PULL: Reactive Log Anomaly Detection Based On Iterative PU Learning

no code implementations25 Jan 2023 Thorsten Wittkopp, Dominik Scheinert, Philipp Wiesner, Alexander Acker, Odej Kao

Due to the complexity of modern IT services, failures can be manifold, occur at any stage, and are hard to detect.

Anomaly Detection

A Taxonomy of Anomalies in Log Data

no code implementations26 Nov 2021 Thorsten Wittkopp, Philipp Wiesner, Dominik Scheinert, Odej Kao

In this paper, we present a taxonomy for different kinds of log data anomalies and introduce a method for analyzing such anomalies in labeled datasets.

Unsupervised Anomaly Detection

On the Potential of Execution Traces for Batch Processing Workload Optimization in Public Clouds

no code implementations16 Nov 2021 Dominik Scheinert, Alireza Alamgiralem, Jonathan Bader, Jonathan Will, Thorsten Wittkopp, Lauritz Thamsen

With the growing amount of data, data processing workloads and the management of their resource usage becomes increasingly important.

Management

LogLAB: Attention-Based Labeling of Log Data Anomalies via Weak Supervision

no code implementations2 Nov 2021 Thorsten Wittkopp, Philipp Wiesner, Dominik Scheinert, Alexander Acker

With increasing scale and complexity of cloud operations, automated detection of anomalies in monitoring data such as logs will be an essential part of managing future IT infrastructures.

Bellamy: Reusing Performance Models for Distributed Dataflow Jobs Across Contexts

1 code implementation29 Jul 2021 Dominik Scheinert, Lauritz Thamsen, Houkun Zhu, Jonathan Will, Alexander Acker, Thorsten Wittkopp, Odej Kao

First, a general model is trained on all the available data for a specific scalable analytics algorithm, hereby incorporating data from different contexts.

Descriptive

Artificial Intelligence for IT Operations (AIOPS) Workshop White Paper

no code implementations15 Jan 2021 Jasmin Bogatinovski, Sasho Nedelkoski, Alexander Acker, Florian Schmidt, Thorsten Wittkopp, Soeren Becker, Jorge Cardoso, Odej Kao

Finally, all this will result in faster adoption of AIOps, further increase the interest in this research field and contribute to bridging the gap towards fully-autonomous operating IT systems.

Decision Making Management

Superiority of Simplicity: A Lightweight Model for Network Device Workload Prediction

1 code implementation7 Jul 2020 Alexander Acker, Thorsten Wittkopp, Sasho Nedelkoski, Jasmin Bogatinovski, Odej Kao

First, KPI types like CPU utilization or allocated memory are very different and hard to be expressed by the same model.

Time Series Forecasting

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