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Ba-ZebraConf: A Three-Dimension Bayesian Framework for Efficient System Troubleshooting by Xing, Deyi; Chen, Weicong; Tatsuoka, Curtis; Lu, Xiaoyi is a scholarly article available to read on EtoBox.

What is Ba-ZebraConf: A Three-Dimension Bayesian Framework for Efficient System Troubleshooting about?

The proliferation of heterogeneous configurations in distributed systems presents significant challenges in ensuring stability and efficiency. Misconfigurations, driven by complex parameter interdependencies, can lead to critical failures. Group Testing (GT) has been leveraged to expedite troubleshooting by reducing the number of tests, as demonstrated by methods like ZebraConf. However, ZebraConf's binary-splitting strategy suffers from sequential testing, limited handling of parameter interdependencies, and susceptibility to errors such as noise and dilution. We propose Ba-ZebraConf, a novel three-dimensional Bayesian framework that addresses these limitations. It integrates (1) Bayesian Group Testing (BGT), which employs probabilistic lattice models and the Bayesian Halving Algorithm (BHA) to dynamically refine testing strategies, prioritizing high-informative parameters and adapting to real-time outcomes. Bayesian optimization tunes hyperparameters, such as pool sizes and test thresholds, to maximize testing efficiency. (2) Bayesian Optimization (BO) to automate hyperparameter tuning for test efficiency, and (3) Bayesian Risk Refinement (BRR) to iteratively capture parameter in

Author

Xing, Deyi; Chen, Weicong; Tatsuoka, Curtis; Lu, Xiaoyi

Published

2024

Language

EN