Ruya: Memory-Aware Iterative Optimization of Cluster Configurations for Big Data Processing

Will, J., Thamsen, L., Bader, J., Scheinert, D. and Kao, O. (2023) Ruya: Memory-Aware Iterative Optimization of Cluster Configurations for Big Data Processing. In: 2022 IEEE International Conference on Big Data, Osaka, Japan, 17-20 December 2022, pp. 161-169. ISBN 9781665480451 (doi: 10.1109/BigData55660.2022.10020295)

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Selecting appropriate computational resources for data processing jobs on large clusters is difficult, even for expert users like data engineers. Inadequate choices can result in vastly increased costs, without significantly improving performance. One crucial aspect of selecting an efficient resource configuration is avoiding memory bottlenecks. By knowing the required memory of a job in advance, the search space for an optimal resource configuration can be greatly reduced.Therefore, we present Ruya, a method for memory-aware optimization of data processing cluster configurations based on iteratively exploring a narrowed-down search space. First, we perform job profiling runs with small samples of the dataset on just a single machine to model the job’s memory usage patterns. Second, we prioritize cluster configurations with a suitable amount of total memory and within this reduced search space, we iteratively search for the best cluster configuration with Bayesian optimization. This search process stops once it converges on a configuration that is believed to be optimal for the given job. In our evaluation on a dataset with 1031 Spark and Hadoop jobs, we see a reduction of search iterations to find an optimal configuration by around half, compared to the baseline.

Item Type:Conference Proceedings
Glasgow Author(s) Enlighten ID:Thamsen, Dr Lauritz
Authors: Will, J., Thamsen, L., Bader, J., Scheinert, D., and Kao, O.
College/School:College of Science and Engineering > School of Computing Science
Copyright Holders:Copyright © 2022 IEEE
Publisher Policy:Reproduced in accordance with the copyright policy of the publisher
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