A New Double Rank-based Multi-workflow Scheduling with Multi-objective Optimization in Cloud Environments

Feng Li, Moon Gi Seok, Wentong Cai
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引用次数: 2

Abstract

Workflow scheduling in clouds has been extensively researched. Many workflows from different users could be submitted to clouds at the same time and cloud providers should handle them simultaneously. So, it is necessary to consider the problem of scheduling multi-workflow. In addition, cloud computing systems can offer some special features, like Pay-Per-Use and Quality of Service (QoS) over the Internet. The scheduler has to consider the tradeoffs between different QoS parameters in order to satisfy the QoS requirements. Hence, how to schedule multiple heterogeneous workflows in the meanwhile to balance multiple objectives is a big challenge. The majority of the existing multi-workflow scheduling algorithms are based on QoS constrained approaches and attempt to optimize one objective while taking other QoS factors as constraints. Meanwhile, most of the multi-objective optimization scheduling works aim to deal with single-workflow. Conversely, this paper focuses on QoS optimization approaches by finding trade-off schedules to execute multi-workflow on cloud computing resources so as to balance multi-objective. To this end, a new double rank-based task sequencing method is proposed and integrated with a multi-objective heuristic algorithm for multi-workflow scheduling. Different algorithms are evaluated using various well-known real-world workflows and simulated workflows. The performance evaluation results demonstrate that the proposed approach is capable of generating efficient schedules with high quality in terms of meeting multi-objective for multiple workflows.
云环境下基于双秩的多工作流多目标优化新方法
云中的工作流调度已经得到了广泛的研究。来自不同用户的许多工作流可以同时提交到云,云提供商应该同时处理它们。因此,有必要考虑多工作流的调度问题。此外,云计算系统还可以提供一些特殊的功能,如互联网上的按使用付费和服务质量(QoS)。为了满足QoS要求,调度程序必须考虑不同QoS参数之间的权衡。因此,如何同时调度多个异构工作流以平衡多个目标是一个很大的挑战。现有的大多数多工作流调度算法都是基于QoS约束的方法,并试图在将其他QoS因素作为约束的情况下优化一个目标。同时,大多数多目标优化调度工作都是针对单工作流进行的。相反,本文重点研究QoS优化方法,通过寻找权衡调度,在云计算资源上执行多工作流,实现多目标平衡。为此,提出了一种新的基于双秩的任务排序方法,并将其与多目标启发式多工作流调度算法相结合。使用各种众所周知的现实世界工作流和模拟工作流来评估不同的算法。性能评估结果表明,该方法能够在满足多个工作流的多目标方面生成高质量的高效调度。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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