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Enabling and Optimizing Pilot Jobs using Xen based Virtual Machines for the HPC Grid Applications

机译:使用基于Xen的虚拟机为HPC Grid应用程序启用和优化试点工作

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The primary motivation for uptake of virtualization have been resource isolation, capacity management and resource customization: isolation and capacity management allow providers to isolate users from the site and control their resources usage while customization allows end-users to easily project the required environment onto a variety of sites. Various approaches have been taken to integrate virtualization with Grid technologies. In this paper, we propose an approach that combines virtualization on the existing software infrastructure such as Pilot Jobs with minimum change on the part of resource providers. We also present a standard API to enable a wider set of applications including Batch systems to deploy virtual machines on-demand as isolated job sandboxes. To illustrate the usefulness of this approach, we also evaluate the impact of Xen virtualization on memory and compute intensive tasks, and present our results that how memory and scheduling parameters could be tweaked to optimize job performance.
机译:进行虚拟化的主要动机是资源隔离,容量管理和资源自定义:隔离和容量管理使提供商可以将用户与站点隔离并控制其资源使用,而自定义允许最终用户轻松地将所需环境投影到各种环境上。网站。已经采取了各种方法来将虚拟化与Grid技术集成在一起。在本文中,我们提出了一种方法,该方法将现有软件基础架构(如Pilot Jobs)上的虚拟化与资源提供者方面的最少更改结合在一起。我们还提供了一个标准API,以使包括批处理系统在内的更多应用程序能够作为隔离的作业沙箱按需部署虚拟机。为了说明这种方法的有用性,我们还评估了Xen虚拟化对内存和计算密集型任务的影响,并给出了如何调整内存和调度参数以优化作业性能的结果。

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