Abstract
In today's world, stream processing systems have become important, as applications like media broadcasting, sensor network monitoring and on-line data analysis increasingly rely on real-time stream processing. In this paper, we propose a distributed stream processing system that composes stream processing applications dynamically, while meeting their rate demands. Our system consists of the following components: (1) a distributed component discovery algorithm that discovers components available at nodes on demand, (2) resource monitoring techniques to maintain current resource availability information, (3) a scheduling algorithm that schedules application execution, and (4) a minimum cost composition algorithm that composes applications dynamically based on component and resource availability and scheduling demands. Our detailed experimental results, over the PlanetLab testbed, demonstrate the performance and efficiency of our approach.
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