共查询到20条相似文献,搜索用时 46 毫秒
1.
地震网格利用网格技术将地理上分布的各种地震实验设备和现场、数据、人员联结起来,构成一个虚拟的地震研究社区.有效地监控可以促进网格系统的合理开发和部署,提高网格管理水平和资源利用率.分析和比较了端.端、网格监控系统体系结构(GMA)和开放网格体系结构(OGSA)等几种框架,给出了基于OGSA的地震网格监控系统的总体结构,最后对实现的关键技术进行了探讨. 相似文献
2.
3.
为网格监控体系结构建立可执行性模型有助于网格监控系统的服务质量提升.因为网格环境的动态性和不可靠性,所以对网格监控体系结构建模时要从可用性和性能两方面综合考虑.讨论系统可用性、响应时间分布、事件丢失概率、公平性等问题.用随机Petri网建立网格监控体系结构的可执行性模型并讨论了模型的应用.网格监控体系结构的系统模型有一个关键特性:事件发布信息和监控事件数据由不同通道传递,在模型中重点关注这一特性. 相似文献
4.
上海网格是中国第一个城市网格,它的目标是建成世界上最先进的城市信息网格之一。显然,对构成上海网格的硬件资源、网格服务和网格应用进行监控是非常有必要的。对这一领域的深入研究有助于及时了解整个网格的运行状况,并找到性能瓶颈。以便更加合理开发和部署网格系统。介绍上海网格监控系统的整体框架,然后简要介绍原型系统。 相似文献
5.
实现全面资源共享、充分提高资源利用率是教育资源网格的主要研究目标,为了实现该目标,设计了ERGM(educa-tion resource grid monitor)监控模型,它具有采集的信息全面、良好的可扩展性和容错性等优点.通过它可以及时采集资源的状态信息为资源调度系统提供依据,使资源的利用更加合理,很好地满足了教育资源网格监控的需求. 相似文献
6.
介绍了Java本地接口方法JNI,重点讨论了利用JNI调用C/C++动态联接库,实时监控系统中硬盘、内存、CPU等资源的运行状态的方法,实现了Java与C/C++的互操作.同时,通过在WebService服务中调用JNI方法,提取Web Service的远程调用功能.在网格环境中,构建了基于GMA的监控系统模式,并给出了该系统的具体实现方法.通过理论分析和具体应用证实了该系统的有效性. 相似文献
7.
在网格环境中,对于资源和任务的监控非常重要.通过分析,将网格环境中的监控对象按照属性及特点分为两类:资源与应用.在此基础上提出一个集成的网格监控系统,该系统包括两个子系统:资源监控子系统和任务监控子系统.资源监控系统以Globus的MDS(monitoring and discovery system)为基础,并对其进行必要的扩展,提供资源发现和信息检索的图形用户界面,并为上层服务提供API.任务监控系统基于Global Grid Forum提出的网格监控体系结构GMA(grid monitoring architecture),能够安全可靠的监控任务执行的整个过程. 相似文献
8.
9.
10.
网格(Grid)被誉为继Internet和Web之后的第三次信息技术浪潮,网格计算可以满足海量商业数据分析所需的CPU资源要求。因此。Web服务技术与网格计算技术的融合,是推进知识型信息服务进一步发展的利器,它将极大地改变传统电子商务开发和运营模式.文章介绍了网格计算的特点、基本功能和体系结构,并对网格计算的应用和网格计算目前存在的问题做了分析.探讨了网格在知识型信息服务的应用及前景。 相似文献
11.
12.
网格监控在网格和网格支持的现代协同设计(GMCD)中发挥着重要作用。该系统能针对设计单元的性能数据实施分类监控,跟踪任务的分配和执行情况,监测异常并报警。提出了GMCDMSS的组成结构,确定了其基本功能并介绍了各项功能的实现方案。GMCDMSS有效保障了设计任务的顺利实施,方便了用户对网格资源和任务的监控与管理;它还提供了对性能数据进行分析的手段,便于优化系统性能。 相似文献
13.
分析和研究了网格环境中故障检测、性能改变等问题,探讨了基于GMA的三种典型监听结构模型,结合监听的关键技术,针对局部监听提出了相应的参考模型。 相似文献
14.
流媒体网格系统信息服务需要整合网格系统中各种静态、动态的资源信息,提供统一的信息访问接口.Globus MDS提供了一种网格信息服务系统,适用于计算网格的信息服务,但不能完全适用于流媒体网格.介绍了Globus的信息服务模型,讨论如何基于Globus MDS构建适合流媒体网格的信息服务系统.针对Globus MDS的层次式查询机制,使用信息缓存和哈希查询技术对其进行改进.实验表明,改进的查询机制可以提高信息的查询效率,满足实时流媒体服务要求. 相似文献
15.
System of Grid Resource Monitoring Service 总被引:1,自引:0,他引:1
Lingfu Kong Jing Jin Jing Chen Xiaoyan Zhang 《通讯和计算机》2006,3(1):28-31
Resource monitoring is a key component in grid system. It can help understanding the performance limits and forecasting the failure of the system, advice in the scheduling and configuration of grid application and so on. This paper puts forward a system of grid resource monitoring service which is based on MDS (Monitoring and Discovery Service), which achieves real-time monitoring and the visualization of historical monitoring data for computing nodes in grid by Globus Toolkits. It introduces the design ideas of this service system, presents its architecture, and discusses its supports for low delay, low performance affection, scalability and manageability. 相似文献
16.
Discovering Resources in Computational GRID Environments 总被引:1,自引:2,他引:1
Corporations are using computational GRIDs to improve their operations. Future GRIDs will allow an organisation to take advantage
of computational GRIDs without having to develop a custom in-house solution. GRID Resource Providers (GRP) make resources
available on the GRID so that others may use these resources. GRPs allow companies to make use of a range of resources such
as processing power or mass storage. However simply providing resources is not enough to ensure the success of a computational
GRID. Access to these resources must be controlled otherwise computational GRIDs will simply evolve to become a victim of
their own success, unable to offer a suitable Quality of Service (QoS) to any user. The task of providing a standard querying
mechanism for Computational GRID Environments (CGE) has already witnessed considerable work from groups such as the Globus
project who have delivered the Metacomputing Directory Service (MDS) which provides a means to query devices attached to the
GRID. This paper describes a monitoring component both capable of the dynamic discovery of available resources in a computing
GRID environment and executing user jobs on the available resource at a given moment in time. Consideration has been paid
to integrating with GRID accounting systems. 相似文献
17.
18.
Chao-Tung Yang Po-Chi Shih Cheng-Fang Lin Sung-Yi Chen 《The Journal of supercomputing》2007,40(3):249-267
This paper describes a resource broker whose main function is to match available resources to user needs. The resource broker
provides a uniform interface for accessing available and appropriate resources via user credentials. We also focus on providing
approximate measurement models for network-related information using NWS for future scheduling and benchmarking. We first
propose a network measurement model for gathering network-related information (including bandwidth, latency, forecasting,
error rates, etc.) without generating excessive system overhead. Second, we constructed a grid platform using Globus Toolkit
that integrates the resources of five schools in Taichung integrated grid environment resources (TIGER). The resource broker
runs on top of TIGER. Therefore, it provides security and current information about available resources and serves as a link
to the diverse systems available in the Grid.
相似文献
Sung-Yi ChenEmail: |
19.
20.
Shuo Yang Ali R. Butt Xing Fang Y. Charlie Hu Samuel P. Midkiff 《Journal of Grid Computing》2006,4(3):265-286
The increased popularity of Grid systems and cycle sharing across organizations requires scalable systems that provide facilities to locate resources, to be fair in the use of those resources, to allow resource providers to host untrusted applications safely, and to allow resource consumers to monitor the progress and correctness of jobs executing on remote machines. This paper presents such a framework that locates computational resources with a peer-to-peer network, assures fair resource usage with a distributed credit accounting system, provides resource contributors a safe environment, for example Java Virtual Machine (JVM), to host untrusted applications, and provides the resource consumers a monitoring system, GridCop, to track the progress and correctness of remotely executing jobs. We present the details of the credit accounting subsystem and the GridCop remote job monitoring subsystem. GridCop and the distributed credit accounting system together enable incremental payments so that the risk for both resource providers and resource consumers is bounded.*This work was supported by NSF CAREER award grant ACI-0238379 and NSF grants CCR-0313026 and CCR-0313033. 相似文献