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Performance Modeling and Predictive Scheduling for Distributed Stream Da ta Processing

Performance Modeling and Predictive Scheduling for Distributed Stream Da ta Processing

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Performance Modeling and Predictive Scheduling for Distributed Stream Da ta Processing

In a distributed stream data processing system, an application is usually modeled using a directed graph, in which each vertex corresponds to a data source or a processing unit, and edges indicate data flow. In this paper, we propose a novel predictive scheduling framework to enable fast and distributed stream da ta processing, which features topology-aware modeling for performance prediction and predictive scheduling. For prediction, we present a topology-aware method to accurately predict the average tuple processing time of an application for a given scheduling solution, according to the topology of the application graph and runtime statistics. For scheduling, we present an effective algorithm to assign threads to machines under the guidance of prediction results.To validate and evaluate the proposed framework, we implemented it based on a highly-regarded distributed stream data processing platform, Storm, and tested it with 3 representative applications: word count (stream version), log stream processing and continuous query. Extensive experimental results show 1) The topology-aware prediction method offers an average accuracy of 84.2 percent. 2) The predictive scheduling framewor k reduces the average tuple processing time by 24.9 percent on average, compared to Stormís default scheduler



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  • Model: PROJ7817
  • 999 Units in Stock
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This product was added to our catalog on Monday 31 July, 2017.

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