作業調度軟件LoadLeveler在氣象模式中的應用
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Application of Job Scheduling Software LoadLeveler in Meteorological Mode
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    摘要:

    西北區域氣象中心高性能計算集群使用LoadLeveler調度管理作業,為實現資源利用率和吞吐量的最大化,本文探討了作業調度管理的作用和方法。通過配置文件關鍵字定義隊列、設置調度算法和調度器調節參數,將作業的處理需求與可用資源進行匹配,依據實際需求定義集群和各種資源的可用性規則,防止作業之間的相互干擾。結合LoadLeveler作業搶占功能,保障區域數值預報業務模式優先穩定運行。利用Perl語言編寫腳本對高性能計算機集群進行資源記賬,使管理員充分掌握各類應用模式的資源使用情況,合理調整系統資源分配調度策略,充分發揮了西北區域氣象中心高性能計算機集群的效益。

    Abstract:

    The high performance computing cluster in the Northwest Regional Meteorological Center uses the job scheduling software LoadLeveler to schedule and manage jobs, in order to realize the maximization of resource utilization and throughput. This paper studies and discusses the role and method of scheduling management job. Defining the queue through the configuration file keywords, setting the scheduling algorithm and scheduler adjustment parameters, matching the processing requirements of the job with the available resources, 〖JP2〗the availability rules of clusters and various resources are defined according to actual requirements, so as to prevent the mutual interference between jobs. Combined with the LoadLeveler job preemption function, the regional numerical weather prediction business model is guaranteed to have the priority and stable operation. Perl language is used to write a script to account the resources of the high performance computer cluster, so that the administrator can fully grasp the use of resources of various application modes, reasonably adjust the system resource allocation and scheduling strategy, and give full play to the benefits of the high performance computer cluster in the Northwest Regional Meteorological Center.〖JP〗

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張明,楊效,鄒麗,唐艷娟,張燕.作業調度軟件LoadLeveler在氣象模式中的應用[J].氣象科技,2021,49(1):63~68

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  • 收稿日期:2020-02-25
  • 定稿日期:2020-08-18
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  • 在線發布日期: 2021-03-04
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