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arXiv · 1507.08492

Cost optimization of data flows based on task re-ordering

Georgia Kougka·Anastasios Gounaris
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Abstract

Analyzing big data in a highly dynamic environment becomes more and more critical because of the increasingly need for end-to-end processing of this data. Modern data flows are quite complex and there are not efficient, cost-based, fully-automated, scalable optimization solutions that can facilitate flow designers. The state-of-the-art proposals fail to provide near optimal solutions even for simple data flows. To tackle this problem, we introduce a set of approximate algorithms for defining the execution order of the constituent tasks, in order to minimize the total execution cost of a data flow. We also present the advantages of the parallel execution of data flows. We validated our proposals in both a real tool and synthetic flows and the results show that we can achieve significant speed-ups, moving much closer to optimal solutions.

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Georgia Kougka, Anastasios Gounaris. 2015-07-30. Cost optimization of data flows based on task re-ordering. https://arxiv.org/abs/1507.08492

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